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83
Highlights
45
Differences
8
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Litter-Robot 3
vs
Litter-Robot 4:
83 Highlights & 45 Differences —
So, Which Automatic Litter Box Actually Works Better
Two automatic litter boxes, one tough decision. The Litter-Robot 4 adds tech smarts, but the classic 3 still has die-hard fans. The winner might surprise you.
What makes Litter-Robot 3 different from Litter-Robot 4? Let’s dig through the wi-fi connectivity, bluetooth connectivity, app compatibility & smart notifications and see what real pet owners say.
Litter-Robot 3 vs Litter-Robot 4: The Smartest Litter Box Showdown
The Litter-Robot 3 and Litter-Robot 4 are two of the most recognized automatic litter boxes in the world. Both belong to the same product line and share the same goal—to eliminate daily scooping and keep your cat’s litter box clean without constant effort. Yet, the differences between the two models reflect how much technology has evolved in pet care. The Litter-Robot 3 built its reputation on reliability and simplicity, while the Litter-Robot 4 adds layers of intelligence, hygiene, and smart-home connectivity to the mix. Together, they represent the old guard and the new wave of automated litter box innovation.
At their core, both devices use the same self-cleaning principle: a rotating drum system that separates waste from clean litter. They are designed for multi-cat households, with a 10-pound litter capacity and a smooth sifting mechanism that ensures consistent performance. Both include features like an industry-standard 12-month warranty and are built in the USA from durable plastic materials. But that’s where the similarities end. Once you look deeper—into design, sensors, connectivity, and odor management—the Litter-Robot 4 emerges as a completely re-engineered evolution of the concept.
The Enduring Appeal of the Litter-Robot 3
When the Litter-Robot 3 was first introduced, it revolutionized the cat care market. Pet owners no longer had to scoop, sift, or smell the litter box every day. Its simple, mechanical design uses gravity and rotation to separate waste effectively. The two-minute cleaning cycle ensures quick and efficient operation without much noise or energy drain. It’s one of those products that just works—and keeps working, even years later.
One of its greatest strengths is how low-maintenance it feels once set up. It doesn’t require a Wi-Fi connection or mobile app, which means fewer points of failure and no software to update. You simply plug it in, set your preferred cycle delay (3, 7, or 15 minutes), and let it do its thing. The entry height, while slightly taller at 13.4 inches, helps contain litter scatter. The spacious interior—measuring roughly 20 inches wide and 20 inches deep—accommodates larger cats comfortably.
For households that prioritize odor control, the Litter-Robot 3 uses a dependable carbon filter system in the waste drawer. It doesn’t come with a gel deodorizer or air-tight seal like the newer model, but when paired with carbon filters and occasional cleaning, it performs admirably. Moreover, it’s compatible with a wide variety of litter types, including biodegradable litter, clumping clay, and crystal-based options. That flexibility is a quiet but major advantage for eco-conscious pet owners.
Maintenance is straightforward. The waste drawer fits standard trash bags, saving you from buying proprietary liners. You can disassemble the globe for a deeper clean every month or two, and most parts are easily replaceable. The anti-pinch sensors and safety locks ensure the cleaning cycle stops immediately if interrupted, making it safe for cats that like to sneak in mid-cycle.
For around $498.99 at Litter-Robot.com, the Litter-Robot 3 remains an excellent entry point into automatic litter boxes. It’s durable, tested, and has one of the largest communities of satisfied users. If you don’t need advanced tracking or connectivity, this model is all the convenience you’ll likely need.
Litter-Robot 4: The Smart Evolution
The Litter-Robot 4 represents a leap forward in both design and technology. While the core concept stays the same, nearly every detail has been refined for better comfort, hygiene, and intelligence. The first thing you’ll notice is its modern, streamlined silhouette. At 22 inches wide—about two inches narrower than the previous model—it fits better in tight spaces. Despite the slimmer body, it features a significantly larger entry opening of 15.75 inches, giving cats easier access and reducing the sense of confinement.
Inside, the improvements continue. The Litter-Robot 4 adds a nonstick inner surface made from ABS plastic, making litter less likely to clump or adhere to the drum. The material is both scratch-resistant and stain-resistant, which improves hygiene and extends lifespan. The waste drawer has grown into an 8-gallon container—an upgrade that means fewer emptying sessions per week. It’s sealed tightly to contain odors, and combined with a gel deodorizer and carbon pad, odor control reaches a new level of performance.
But what truly distinguishes the Litter-Robot 4 is its intelligence. Equipped with weight sensors, motion detection, and dual sensor redundancy, it precisely detects when a cat enters or leaves. This prevents false starts and ensures that the cleaning cycle activates only when it’s safe. The integrated cat weight tracking feature helps owners monitor feline health, while visit tracking gives insights into behavioral changes—something especially useful for households with multiple cats or senior pets.
Connectivity is at the heart of the Litter-Robot 4 experience. Through its proprietary mobile app, users can check litter levels, waste drawer status, and even trigger cleaning cycles remotely. You’ll also receive smart notifications on your phone when the drawer is full or when it’s time for maintenance. These seemingly small details drastically reduce the time spent checking or guessing the box’s condition. The inclusion of firmware update support ensures that the system stays current with ongoing improvements, extending its lifespan beyond hardware alone.
The Litter-Robot 4 is also quieter and more energy-efficient. Its 15-watt power consumption keeps electricity use low, while the upgraded DC motor operates with reduced vibration and noise. Even during rotation, it’s significantly quieter than the Litter-Robot 3—a crucial advantage for night-time operation in apartments or bedrooms.
Cleaning and maintenance have also been streamlined. The device encourages weekly cleaning instead of monthly, ensuring maximum hygiene. It includes removable components and supports washable parts, though the new finish makes deep cleaning less frequent. Its optional ramp accessory further enhances accessibility for older or smaller cats, reducing the step height to a manageable 6.9 inches.
At $699.99 at PetSmart, the Litter-Robot 4 sits in the premium category. However, for owners who prioritize hygiene, health tracking, and automation, it’s hard to beat. The convenience of app-based monitoring combined with modern design justifies its higher price tag for tech-savvy cat parents.
Performance and Usability Compared
From a functional perspective, both models perform their self-cleaning duties efficiently. The Litter-Robot 3’s mechanical simplicity means fewer parts that can fail, and many users appreciate that reliability. Meanwhile, the Litter-Robot 4 refines every mechanical motion—it cleans just as effectively but adds layers of intelligence and safety that make it feel truly next-generation.
When it comes to odor management, the newer model has a clear edge. The addition of sealed waste drawers, carbon pads, and gel deodorizers improves air quality in the room dramatically. Combined with odor-resistant surfaces, it prevents lingering smells more effectively than the Litter-Robot 3. This is particularly important for multi-cat homes or small living spaces.
On the other hand, the Litter-Robot 3’s ability to use biodegradable litter remains a subtle but valuable feature for environmentally conscious users. While the Litter-Robot 4 is designed primarily for clumping clay or crystal litter, it sacrifices a bit of versatility in exchange for optimized sensor performance. That’s a small trade-off for most users but could matter to those pursuing a fully eco-friendly setup.
Another key difference lies in connectivity. The Litter-Robot 4’s Wi-Fi connectivity and Bluetooth support make it a fully smart device. You can view cleaning data, receive alerts, and even track multiple cats individually. The Litter-Robot 3, being fully manual, lacks this digital integration but benefits from simplicity and zero dependency on cloud services—no accounts, no logins, no app glitches.
Design and Comfort: A Matter of Style and Space
The visual difference between the two models is striking. The Litter-Robot 3’s rounded, utilitarian design feels industrial, while the Litter-Robot 4 has a sleeker, more futuristic aesthetic that blends into modern home decor. It’s available in black or white, whereas the older version comes in beige or grey. For those who care about interior harmony, the Litter-Robot 4 wins in looks and form factor.
Cats themselves seem to prefer the wider entrance of the Litter-Robot 4, and the internal lighting—especially the automatic night light—makes it inviting even in darker corners. The updated design also reduces the risk of litter tracking and scatter, keeping the area cleaner overall.
Yet, the Litter-Robot 3’s simplicity shouldn’t be overlooked. With fewer sensors and no data processing, it’s virtually fail-proof once running. It’s also easier to troubleshoot if something goes wrong, since there are no software layers to manage. For users who value “set it and forget it” reliability over high-tech flair, that’s still an appealing advantage.
Quick Take
The Litter-Robot 3 is the classic workhorse—simple, effective, and budget-friendly. It’s the better pick if you want solid performance without the need for app integration. The Litter-Robot 4 transforms that foundation into a true smart-home appliance, with intelligent sensors, refined odor control, and quieter operation. It’s sleeker, safer, and designed for a more connected lifestyle. Both models serve the same function, but they cater to different kinds of pet owners: one values proven simplicity, the other embraces innovation.
Bottom Line
For most cat owners, the choice comes down to lifestyle. If you prefer a hands-off, fully automated experience where you can monitor everything from your phone, the Litter-Robot 4 is easily the superior pick. It’s smarter, cleaner, and more future-proof thanks to software updates and health-tracking features. However, if your priority is reliability and cost-efficiency, the Litter-Robot 3 remains a rock-solid investment. It delivers the essentials at a lower price without sacrificing cleaning quality.
In the end, both represent different philosophies in product design: the Litter-Robot 3 is about dependable functionality, while the Litter-Robot 4 is about intelligent evolution. Either way, your cat—and your nose—will thank you for upgrading to an automated litter solution.
Verdict
Winner: Litter-Robot 4 – The ultimate self-cleaning litter box with superior odor control, smart tracking, and user-friendly connectivity that transforms maintenance into effortless automation.
Runner-up: Litter-Robot 3 – Still a fantastic choice for owners who value simplicity, proven durability, and a more affordable path to a cleaner home.
Side by side. The numbers. The features. No drama.
From battery life to cleaning ease, we’ve compared Litter-Robot 3 and Litter-Robot 4 across practical automatic litter boxes specs that pet parents care about.
The Litter-Robot 3 comes in Beige and Grey, while the Litter-Robot 4 offers modern White and Black finishes. The updated colors help the unit blend more naturally into contemporary spaces, adding a cleaner, premium look that appeals to modern homeowners.
Lists available color finishes.
In the battle of Color Options,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Color Options on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 launched in 2022 as Whisker’s newest upgrade, while the Litter-Robot 3 predates it by several years. This generational gap means the newer model benefits from smarter sensors, refined design, and better efficiency. Ideal for users wanting the most up-to-date tech.
Indicates the year the model was released.
In the battle of Release Year,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Release Year on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Product Type
What type of litter box is this?
90
Litter-Robot 3
0Votes
Automatic
90
Litter-Robot 4
0Votes
Automatic
Defines whether the litter box is fully automatic, self-cleaning, or hybrid.
In the battle of Product Type,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Product Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Model Name
What is the model name?
90
Litter-Robot 3
0Votes
Litter-Robot 3
90
Litter-Robot 4
0Votes
Litter-Robot 4
Identifies the exact model designation.
In the battle of Model Name,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Model Name on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Product Line
What is the product line?
88
Litter-Robot 3
0Votes
Litter-Robot
88
Litter-Robot 4
0Votes
Litter-Robot
Indicates the broader series or line this model belongs to.
In the battle of Product Line,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Product Line on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Country of Manufacture
Where is it manufactured?
92
Litter-Robot 3
0Votes
USA
90
Litter-Robot 4
0Votes
USA
States where the product was made.
In the battle of Country of Manufacture,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Country of Manufacture on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Warranty Period
What is the warranty period?
85
Litter-Robot 3
0Votes
12 months
80
Litter-Robot 4
0Votes
12 months
Duration of warranty coverage offered.
In the battle of Warranty Period,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Period on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Trial / Return Period
What is the trial or return period?
90
days
0Votes
90
days
0Votes
Duration of risk-free trial or return window.
In the battle of Trial / Return Period,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
90.00 days
measurement.
Don’t keep it to yourself — be the first to react and review the
Trial / Return Period on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4’s 15.75-inch (40 cm) entry is significantly wider than the 10.25-inch (26 cm) door on the Litter-Robot 3. This extra space helps large cats enter comfortably and reduces hesitation, especially for shy or bigger breeds. Better comfort and accessibility.
The horizontal opening size for entry.
In the battle of Entry Width,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
5.5 inch
measurement.
Based on community votes for Entry Width,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
That wider opening on the Litter-Robot 4 is a big deal. My bigger cat used to squeeze into the older one, but this new door makes entry so much easier.
At 24.25 inches (61.6 cm) wide, the Litter-Robot 3 is slightly bulkier than the Litter-Robot 4’s 22-inch (55.9 cm) profile. The slimmer design of the newer model fits better in small apartments or laundry areas. Easier placement and cleaner aesthetic overall.
The external width of the litter box.
In the battle of Width,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
higher
2.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The entry height drops from 13.4 inches (34 cm) on the Litter-Robot 3 to 12 inches (30.5 cm) on the Litter-Robot 4. This slight reduction makes it easier for senior or smaller cats to step inside. A more inclusive design for all ages and sizes.
Distance from floor to entry point; affects cat accessibility.
In the battle of Entry Height,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
higher
1.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Entry Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The interior width decreases from 20 inches (50.8 cm) to 19 inches (48.3 cm). Though smaller, the Litter-Robot 4 compensates with a wider entrance and better ergonomics, offering equal comfort for cats without wasting space. Improved balance of form and function.
Usable width inside the litter chamber.
In the battle of Interior Width,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
1.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Interior Width on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3’s 20-inch (50.8 cm) depth is larger than the Litter-Robot 4’s 18-inch (45.7 cm). Despite the reduction, the updated design feels more open and less confining, showing smarter use of space. Great optimization for modern homes.
Usable depth inside the litter chamber.
In the battle of Interior Depth,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
2.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Interior Depth on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3’s drawer depth of 16 inches (40.6 cm) exceeds the Litter-Robot 4’s 9.25 inches (23.5 cm). However, the 4’s drawer is taller and better sealed, enhancing odor control and usability. Optimized for cleaner results.
Depth of the waste drawer compartment.
In the battle of Waste Drawer Depth,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
6.8 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Waste Drawer Depth on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4’s waste drawer stands 5.5 inches (14 cm) tall versus 5 inches (12.7 cm) on the 3. The extra half inch helps manage more waste before reaching capacity. Slightly more efficient for multi-cat homes.
Height of the waste drawer compartment.
In the battle of Waste Drawer Height,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
0.5 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Waste Drawer Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3’s drawer is 12.5 inches (31.8 cm) wide compared to the Litter-Robot 4’s 13.5 inches (34.3 cm). That 1-inch difference improves waste distribution and airflow, reducing odors. Small but meaningful improvement.
Width of the waste drawer compartment.
In the battle of Waste Drawer Width,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
1.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Waste Drawer Width on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Depth
What is the product depth?
27
inch
0Votes
27
inch
0Votes
Litter-Robot 3
About 68.6 cm deep, similar to a small side table. Allows space for the rotating drum mechanism behind the entry.
Litter-Robot 4
About 69 cm deep, similar to the footprint of a large laundry basket.
The external depth of the litter box.
In the battle of Depth,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
27.00 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Height
What is the product height?
29.5
inch
0Votes
29.5
inch
0Votes
Litter-Robot 3
Around 75 cm tall — about knee height for an average adult, so cats can enter comfortably.
Litter-Robot 4
About 75 cm tall, roughly the height of a standard kitchen counter stool—fits easily in most home spaces.
The external height of the litter box.
In the battle of Height,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
29.50 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Weight
What is the product weight?
24
lbs
0Votes
24
lbs
0Votes
Litter-Robot 3
Roughly 10.9 kg, light enough for one person to move when cleaning or repositioning.
Litter-Robot 4
Weighs roughly 10.9 kg, about as heavy as a small carry-on suitcase, so most people can move it without effort.
The actual weight of the automatic litter box, which affects portability and ease of setup.
In the battle of Weight,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
24.00 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Entry Depth
What is the entry depth?
15.5
inch
0Votes
15.75
inch
0Votes
Litter-Robot 3
Approximately 39.4 cm; represents the vertical clearance or “door height” cats step through.
Litter-Robot 4
Around 40 cm deep, giving cats a spacious and open feel when stepping inside.
The vertical clearance or depth of the entry opening.
In the battle of Entry Depth,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
lower
0.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Entry Depth on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Step Height
What is the step height?
7.1
inch
0Votes
6.9
inch
0Votes
Litter-Robot 3
About 18 cm, comparable to a standard stair step. Cats easily climb this with or without the optional ramp.
Height of any built-in step before the entry.
In the battle of Step Height,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
higher
0.2 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Step Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Interior Height
What is the interior height?
17
inch
0Votes
15
inch
0Votes
Litter-Robot 3
About 43 cm, allowing even larger cats to stand without crouching excessively.
Usable vertical clearance inside the chamber.
In the battle of Interior Height,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
2.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Interior Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Ramp Width
What is the ramp width?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The usable width of the entry ramp.
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Ramp Width on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Ramp Length
What is the ramp length?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The length of the ramp leading to entry.
Don’t keep it to yourself — be the first to react and review the
Ramp Length on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Package Width
What is the package width?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The box width when shipped.
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Package Width on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Package Depth
What is the package depth?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The box depth when shipped.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Package Height
What is the package height?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The box height when shipped.
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Package Height on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Package Weight
What is the package weight?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The total shipping/package weight including accessories and packaging, important for delivery and handling.
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Package Weight on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
8
gal
1Votes
vs
Waste Drawer Capacity
The Litter-Robot 4 holds 8 gallons (30.3 liters) of waste, while the Litter-Robot 3 doesn’t specify capacity but offers less. The larger bin means fewer emptying trips, ideal for multi-cat households or busy owners. A time-saving upgrade.
The volume of waste the drawer can hold before needing emptying.
Based on community votes for Waste Drawer Capacity,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
The 8-gallon waste drawer on the Litter-Robot 4 sounds like a huge upgrade. Less emptying, less hassle. For multi-cat homes like mine, that’s a total win.
Both models are suitable for adult cats, but the Litter-Robot 4’s lower entry makes it easier for seniors or kittens. More adaptable for aging pets or multi-age homes.
Suggested life stage suitability for cats.
In the battle of Recommended Cat Age,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
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Recommended Cat Age on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 fits medium to large cats, whereas the Litter-Robot 4 expands compatibility to small breeds as well. The wider entry and lower step enhance versatility. Great for homes with mixed cat sizes.
Suggested size range of cats best suited for the box.
In the battle of Recommended Cat Size,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Recommended Cat Size on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
90
Litter-Robot 4
0Votes
Single-Cat, Multi-Cat, Large Home
vs
Recommended Household Type
The Litter-Robot 3 suits single or multi-cat homes, while the Litter-Robot 4 adds support for large households. Enhanced sensors and capacity make it better for families with multiple cats. Scales effortlessly for bigger setups.
Indicates the most appropriate household setting.
In the battle of Recommended Household Type,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
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Recommended Household Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cat Compatibility
How many cats is it compatible with?
87
Litter-Robot 3
0Votes
4
85
Litter-Robot 4
0Votes
4
Litter-Robot 4
Supports up to 4 cats in one household, eliminating the need for multiple litter boxes.
Maximum number of cats the litter box can support.
In the battle of Cat Compatibility,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cat Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Minimum Cat Weight
What is the minimum supported cat weight?
5
lbs
0Votes
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Litter-Robot 3
Around 2.3 kg — cats below this may not trigger the sensor, so kittens should use manual mode.
Minimum cat weight needed to trigger sensors.
Don’t keep it to yourself — be the first to react and review the
Minimum Cat Weight on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Litter Capacity
What is the litter capacity?
10
lbs
0Votes
10
lbs
0Votes
Litter-Robot 3
Equivalent to about 4.5 kg of clumping litter; fill to the raised line for best sensor accuracy.
Maximum litter weight/amount supported by the box.
In the battle of Litter Capacity,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
10.00 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Litter Capacity on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Maximum Cat Weight
What is the maximum supported cat weight?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Maximum cat weight the litter box can support safely.
Don’t keep it to yourself — be the first to react and review the
Maximum Cat Weight on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Chamber Volume
What is the chamber volume?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
The usable interior volume of the litter chamber.
Don’t keep it to yourself — be the first to react and review the
Chamber Volume on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Litter Depth Supported
What is the supported litter depth?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Recommended litter depth for proper operation.
Don’t keep it to yourself — be the first to react and review the
Litter Depth Supported on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Suggested Litter Fill Line
What is the suggested litter fill line?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
1
inch
0Votes
Depth marking for optimal litter fill.
Don’t keep it to yourself — be the first to react and review the
Suggested Litter Fill Line on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Daily Usage Rating
What is the daily usage rating?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Approximate number of daily uses supported.
Don’t keep it to yourself — be the first to react and review the
Daily Usage Rating on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Max Number of Cycles per Day
What is the maximum number of cycles per day?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Maximum cleaning cycles the unit can perform in 24 hours.
Don’t keep it to yourself — be the first to react and review the
Max Number of Cycles per Day on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
85
Litter-Robot 4
0Votes
ABS
vs
Plastic Type
The Litter-Robot 4’s ABS plastic construction is tougher and more resistant to chemicals than the unspecified plastic in the Litter-Robot 3. ABS also offers smoother finishes, reducing litter buildup. Feels more premium and durable.
Specifies type of plastic used if applicable.
Don’t keep it to yourself — be the first to react and review the
Plastic Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 lacks scratch resistance, while the Litter-Robot 4 introduces a hardened ABS shell that resists wear from digging claws. This upgrade prevents micro-scratches that trap odor and bacteria. Designed for long-lasting cleanliness.
Indicates if the interior resists scratching from cat claws.
In the battle of Scratch Resistance,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Based on community votes for Scratch Resistance,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
I’ve noticed the Litter-Robot 3 scratches up over time, so seeing the Litter-Robot 4 has a scratch-resistant surface is a solid improvement. Feels more durable overall.
Absent in the Litter-Robot 3, the Litter-Robot 4’s stain-resistant plastic resists discoloration and grime. It looks newer for longer, even after months of use. Better for households prioritizing hygiene and low maintenance.
Determines if the box resists staining from waste or litter.
In the battle of Stain Resistance,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Stain Resistance on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Only the Litter-Robot 4 features an odor-resistant coating, effectively neutralizing lingering smells. The Litter-Robot 3 lacks this, meaning odors can linger between cleanings. Perfect for odor-sensitive homes.
Indicates if materials resist absorbing or trapping odors.
In the battle of Odor Resistance Surface,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Resistance Surface on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 includes a nonstick inner surface, preventing litter clumps from sticking during rotation. The Litter-Robot 3 lacks this coating, requiring more frequent manual cleaning. A big convenience upgrade.
Shows if the interior is designed to prevent waste from sticking.
Don’t keep it to yourself — be the first to react and review the
Nonstick Inner Surface on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Main Material
What is the main material?
85
Litter-Robot 3
0Votes
Plastic
85
Litter-Robot 4
0Votes
Plastic
Litter-Robot 3
Durable ABS-type plastic that resists cracking and is easy to wipe clean.
Litter-Robot 4
Durable and lightweight plastic construction makes cleaning easier and resists staining compared to cheaper plastics.
Primary material used in the litter box body.
In the battle of Main Material,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Main Material on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Stainless Steel Components
Does it include stainless steel components?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Indicates whether stainless steel parts are included for hygiene and durability.
In the battle of Stainless Steel Components,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Stainless Steel Components on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
BPA-Free Plastic
Is the plastic BPA-free?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Confirms whether the plastic is free from BPA for pet safety.
Don’t keep it to yourself — be the first to react and review the
BPA-Free Plastic on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Recyclable Materials
Is the litter box made of recyclable materials?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Indicates whether materials used are recyclable.
Don’t keep it to yourself — be the first to react and review the
Recyclable Materials on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Enclosure Material
What is the enclosure made of?
85
Litter-Robot 3
0Votes
Plastic
85
Litter-Robot 4
0Votes
Plastic
Specifies the material used for enclosure or hood.
In the battle of Enclosure Material,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Enclosure Material on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Absent in the Litter-Robot 3, motion sensors in the Litter-Robot 4 detect movement for added safety and timing accuracy. The unit pauses automatically when cats approach. Better for skittish or active pets.
Uses motion detection to sense cat entry or exit.
In the battle of Motion Sensor,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Based on community votes for Motion Sensor,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
That motion sensor on the Litter-Robot 4 gives me peace of mind. I’ve got a curious kitten and it’s nice knowing it won’t start spinning while he’s exploring.
The Litter-Robot 4’s overfill sensor prevents excess litter or waste buildup before a jam occurs. The Litter-Robot 3 lacks this safeguard, requiring visual checks. Improves reliability and hands-free convenience.
Detects when the waste drawer or litter chamber is overfilled.
In the battle of Overfill Sensor,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Overfill Sensor on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 adds dual sensor redundancy for greater accuracy in cat detection, minimizing false triggers. The Litter-Robot 3 uses single-layer detection. A safer system for multi-cat environments.
Backup sensors to avoid failure of single-point detection.
In the battle of Dual Sensor Redundancy,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Dual Sensor Redundancy on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Weight Sensor
Does it include a weight sensor?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Litter-Robot 4
Tracks cat weight automatically with SmartScale, helping monitor feline health trends.
Detects the cat’s weight to confirm presence and usage.
In the battle of Weight Sensor,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight Sensor on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Infrared Sensor
Does it include infrared sensors?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Employs infrared beams to detect cat presence near entry.
In the battle of Infrared Sensor,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Infrared Sensor on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Radar Sensor
Does it have radar-based safety detection?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Uses radar to create a protective detection zone.
In the battle of Radar Sensor,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Radar Sensor on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Anti-Pinch Sensor
Does it feature an anti-pinch sensor?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Prevents moving parts from pinching cats during operation.
In the battle of Anti-Pinch Sensor,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Anti-Pinch Sensor on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cat Entry Detection
Can it detect when a cat enters?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Recognizes when a cat enters to prevent mid-cycle operation.
In the battle of Cat Entry Detection,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cat Entry Detection on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cat Exit Detection
Does it detect cat exit?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Confirms the cat has left before starting cleaning.
In the battle of Cat Exit Detection,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cat Exit Detection on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Emergency Stop Button
Does it have an emergency stop button?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Manual button to immediately stop operation.
In the battle of Emergency Stop Button,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Emergency Stop Button on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Auto Pause Mid-Cycle
Does it auto-pause mid-cycle?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Pauses cleaning automatically if cat re-enters mid-cycle.
In the battle of Auto Pause Mid-Cycle,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Pause Mid-Cycle on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Sensor Sensitivity Adjustment
Can sensor sensitivity be adjusted?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Allows user to calibrate sensor sensitivity for accurate detection.
In the battle of Sensor Sensitivity Adjustment,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Sensor Sensitivity Adjustment on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Door Safety Lock
Does it include a door safety lock?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Locking mechanism to keep doors secure during use.
In the battle of Door Safety Lock,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Door Safety Lock on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Sensor Calibration Required
Is sensor calibration required?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Specifies whether manual calibration is needed for sensors.
In the battle of Sensor Calibration Required,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sensor Calibration Required on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Power Surge Protection
Is power surge protection included?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Protects electronics from voltage spikes.
In the battle of Power Surge Protection,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Power Surge Protection on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Child Safety Lock
Does it include a child safety lock?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Prevents accidental activation by children.
In the battle of Child Safety Lock,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Child Safety Lock on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Malfunction Alert
Does it have malfunction alerts?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Provides alerts in case of mechanical or sensor errors.
In the battle of Malfunction Alert,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Malfunction Alert on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cleaning System
14
Cleaning Mechanism Type
What is the cleaning mechanism type?
90
Litter-Robot 3
0Votes
Rotating Drum
90
Litter-Robot 4
0Votes
Rotating Drum
Litter-Robot 3
The rotating globe sifts litter automatically, separating clumps and clean litter with minimal noise.
Litter-Robot 4
Uses a rotating globe that sifts litter efficiently, reducing clumps and smell more effectively than rake-based systems.
The method used to separate waste from clean litter.
In the battle of Cleaning Mechanism Type,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Mechanism Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Choose the delay before cleaning — shorter for odor control, longer for softer clumping litter.
Litter-Robot 4
Lets you adjust cleaning time after your cat exits—ideal for skittish cats or to save energy.
Delay time options before cleaning starts after use.
In the battle of Cycle Delay Options,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cycle Delay Options on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Bag Compatibility
What bag types are compatible?
87
Litter-Robot 3
0Votes
Standard Trash Bag, Whisker Liners
88
Litter-Robot 4
0Votes
Standard Trash Bag, Whisker Liners
Litter-Robot 3
Compatible with standard 10–13 gallon (38–49 L) bags or Whisker’s custom-fit liners.
Litter-Robot 4
Flexible bag options help reduce ongoing maintenance costs.
Which bag types are supported for waste disposal.
In the battle of Bag Compatibility,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Bag Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cycle Duration
What is the cycle duration?
2
minutes
0Votes
2
minutes
0Votes
Litter-Robot 3
A full cleaning cycle takes roughly 2 minutes, fast enough to refresh after each use.
Average time it takes to complete one cleaning cycle.
In the battle of Cycle Duration,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
2.00 minutes
measurement.
Don’t keep it to yourself — be the first to react and review the
Cycle Duration on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Waste Disposal Bag Type
What type of waste disposal bag is used?
87
Litter-Robot 3
0Votes
Standard, Proprietary
88
Litter-Robot 4
0Votes
Proprietary, Standard
Litter-Robot 4
Works with Whisker liners or standard kitchen trash bags for convenience.
Type of bag used in the waste drawer.
In the battle of Waste Disposal Bag Type,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Waste Disposal Bag Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Manual Cycle Button
Does it include a manual cycle button?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Button that lets the user start a cleaning cycle manually.
In the battle of Manual Cycle Button,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Manual Cycle Button on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Auto Cycle Enabled
Is auto cycle enabled?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Automatically starts cleaning cycle after cat exits.
In the battle of Auto Cycle Enabled,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Auto Cycle Enabled on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cleaning Direction
What is the cleaning direction?
85
Litter-Robot 3
0Votes
Counterclockwise
85
Litter-Robot 4
0Votes
Counterclockwise
Direction in which cleaning mechanism operates.
In the battle of Cleaning Direction,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cleaning Direction on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Waste Separation Method
What is the waste separation method?
88
Litter-Robot 3
0Votes
Sifting
88
Litter-Robot 4
0Votes
Sifting
Method used to separate clumps from clean litter.
In the battle of Waste Separation Method,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Waste Separation Method on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Rake Spacing
What is the rake spacing?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Distance between rake tines for sifting clumps.
Don’t keep it to yourself — be the first to react and review the
Rake Spacing on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The direction the globe or drum rotates during cleaning.
In the battle of Globe/Drum Rotation Direction,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Globe/Drum Rotation Direction on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Removable Cleaning Module
Is the cleaning module removable?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Whether the cleaning unit can be detached for easier maintenance.
In the battle of Removable Cleaning Module,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Removable Cleaning Module on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Clog Detection
Does it have clog detection?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Detects blockages in the cleaning system.
In the battle of Clog Detection,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Clog Detection on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Self-Reset After Jam
Does it self-reset after jams?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Automatically resets cleaning cycle after a jam.
In the battle of Self-Reset After Jam,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Self-Reset After Jam on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 supports biodegradable litter, while the Litter-Robot 4 does not. This gives the older model an edge for eco-friendly homes seeking sustainable litter materials. Greener choice for sustainability-conscious users.
Indicates if biodegradable litters are supported.
In the battle of Biodegradable Litter Compatibility,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
7 score
measurement.
Based on community votes for Biodegradable Litter Compatibility,
Litter-Robot 3 ◉ earned
1 votes,
more than
Litter-Robot 4 ◉,
which got 0 votes.
Honestly, the fact that the Litter-Robot 3 still works with biodegradable litter is a big plus for me. I try to stay eco-friendly and that’s something I don’t wanna lose just for new tech.
The Litter-Robot 4 introduces a refill indicator that alerts users when litter runs low. The Litter-Robot 3 requires manual checking. Keeps the litter bed optimal for cleaner cycles. Great for forgetful owners.
Indicates if the box alerts when litter is low.
In the battle of Litter Refill Indicator,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Litter Refill Indicator on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Works best with fine-grain clumping litters; avoid large pellets to prevent sifting issues.
Lists all litter types the box supports.
In the battle of Compatible Litter Types,
Litter-Robot 3 ◉ is
better than
Litter-Robot 4 ◉
, delivering
higher
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Compatible Litter Types on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Clumping Clay Compatibility
Is it compatible with clumping clay litter?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if clumping clay litter is supported.
In the battle of Clumping Clay Compatibility,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Clumping Clay Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Crystal Litter Compatibility
Is it compatible with crystal litter?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Shows if crystal litter can be used.
In the battle of Crystal Litter Compatibility,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Crystal Litter Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Tofu Litter Compatibility
Is it compatible with tofu litter?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Confirms if tofu-based litter is supported.
In the battle of Tofu Litter Compatibility,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Tofu Litter Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Pellet Litter Compatibility
Is it compatible with pellet litter?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Whether larger pellet-style litter is supported.
In the battle of Pellet Litter Compatibility,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Pellet Litter Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Dust-Free Litter Recommended
Is dust-free litter recommended?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Suggests whether low-dust or dust-free litter is recommended.
In the battle of Dust-Free Litter Recommended,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Dust-Free Litter Recommended on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Max Litter Grain Size
What is the max litter grain size supported?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Maximum grain size supported for litter.
Don’t keep it to yourself — be the first to react and review the
Max Litter Grain Size on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Filter changes on the Litter-Robot 3 occur every 90 days, compared to 30 days on the Litter-Robot 4. Although more frequent, the 4’s improved sealing and airflow mean fresher results. Ideal for odor-sensitive households.
Frequency with which filters should be replaced.
In the battle of Filter Replacement Frequency,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
higher
60.0 days
measurement.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Frequency on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4’s advanced airtight seal traps odors better than the Litter-Robot 3’s moderate one. This makes a noticeable difference in confined spaces. A must for apartments or smaller rooms.
Level of sealing to trap odors inside the waste drawer.
In the battle of Waste Drawer Seal Quality,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
10 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Waste Drawer Seal Quality on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 relies on optional carbon filters, while the Litter-Robot 4 includes a built-in gel deodorizer. The gel offers stronger, longer-lasting odor neutralization. More effective for controlling smells in small rooms.
Type of deodorizer system used.
In the battle of Deodorizer Type,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Deodorizer Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 adds a carbon pad for moisture absorption, while the Litter-Robot 3 lacks any system. This prevents dampness and extends filter life. Keeps the unit drier and fresher.
Type of system used to absorb moisture.
In the battle of Moisture Absorption System,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
13 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Moisture Absorption System on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Odor Control System
What odor control system does it use?
88
Litter-Robot 3
0Votes
Carbon Filter
88
Litter-Robot 4
0Votes
Carbon Filter
Litter-Robot 3
Uses replaceable carbon pads to trap odors; positioned in the waste drawer for continuous airflow filtration.
Type of system used to minimize odors.
In the battle of Odor Control System,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Odor Control System on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Carbon Filter
Does it include a carbon filter?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if a carbon filter is part of the design.
In the battle of Carbon Filter,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carbon Filter on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
UV Sanitizer Light
Does it have a UV sanitizer light?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
States if UV light is used to sanitize and reduce germs.
In the battle of UV Sanitizer Light,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
UV Sanitizer Light on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Deodorizer Cartridge Life
How long does the deodorizer cartridge last?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
30
days
0Votes
Lifespan of the deodorizer cartridge before replacement.
Don’t keep it to yourself — be the first to react and review the
Deodorizer Cartridge Life on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Anti-Bacterial Coating
Does it have antibacterial coating?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Indicates if the surfaces are coated with antibacterial protection.
In the battle of Anti-Bacterial Coating,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Bacterial Coating on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Washable Components
Are the components washable?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Whether key components are washable with water.
In the battle of Washable Components,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Washable Components on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Removable Waste Bin
Is the waste bin removable?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
States if the waste bin can be detached for cleaning.
In the battle of Removable Waste Bin,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Removable Waste Bin on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Anti-Mold Protection
Does it have anti-mold protection?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Whether the box has protection against mold growth.
In the battle of Anti-Mold Protection,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Mold Protection on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Removable Liner
Does it have a removable liner?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
If the waste drawer or box includes a removable liner.
In the battle of Removable Liner,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Removable Liner on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Germicidal Lamp Safety
Is the germicidal lamp safely shielded?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
States if UV or germicidal lamp is safety-protected.
In the battle of Germicidal Lamp Safety,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Germicidal Lamp Safety on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 features Wi-Fi connectivity for remote monitoring and control via the Whisker app. The Litter-Robot 3 operates manually. Perfect for owners wanting a fully connected smart litter box.
States if the box connects via Wi-Fi.
In the battle of Wi-Fi Connectivity,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Based on community votes for Wi-Fi Connectivity,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
I love that the Litter-Robot 4 finally connects to Wi-Fi. Being able to check cleaning cycles from my phone is such a game changer for busy weeks. Definitely feels next-level.
The Litter-Robot 4 includes Bluetooth pairing for easy setup and stable connectivity. The Litter-Robot 3 lacks this, making it less flexible. Simplifies integration into smart home networks.
Indicates if the box supports Bluetooth pairing.
In the battle of Bluetooth Connectivity,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Bluetooth Connectivity on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 offers no app, while the Litter-Robot 4 connects to Whisker’s proprietary app. You can monitor waste levels and cleaning cycles remotely. Ideal for tech enthusiasts.
Which apps are supported for control.
In the battle of App Compatibility,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
15 score
measurement.
Don’t keep it to yourself — be the first to react and review the
App Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Only the Litter-Robot 4 sends smart alerts when the waste drawer is full or when it needs attention. The Litter-Robot 3 doesn’t notify users, requiring manual checks. Adds convenience for busy owners.
Sends alerts for usage, cleaning, and maintenance.
In the battle of Smart Notifications,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Smart Notifications on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Exclusive to the Litter-Robot 4, cat weight tracking monitors changes over time to help detect health issues. The Litter-Robot 3 lacks this analytical function. A thoughtful addition for proactive pet care.
Tracks cat weight during use.
In the battle of Cat Weight Tracking,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cat Weight Tracking on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 records each cat’s visit frequency and duration, letting owners track usage patterns. The Litter-Robot 3 lacks behavioral monitoring. Helpful for multi-cat or health-focused households.
Logs how many times the cat visits per day.
In the battle of Visit Frequency Tracking,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Visit Frequency Tracking on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Mobile OS Support
What mobile OS are supported?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
90
Litter-Robot 4
0Votes
iOS, android
Lists supported operating systems for apps.
Don’t keep it to yourself — be the first to react and review the
Mobile OS Support on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Voice Assistant Compatibility
Which voice assistants are supported?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Which voice assistants it integrates with.
Don’t keep it to yourself — be the first to react and review the
Voice Assistant Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Visit Duration Tracking
Does it track visit duration?
No
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Tracks how long a cat stays in the litter box.
In the battle of Visit Duration Tracking,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Visit Duration Tracking on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Multi-Cat Recognition
Does it support multi-cat recognition?
No
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Identifies and distinguishes between multiple cats.
In the battle of Multi-Cat Recognition,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Multi-Cat Recognition on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cloud Data Storage
Does it store data in the cloud?
No
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Stores data history securely in the cloud.
In the battle of Cloud Data Storage,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Cloud Data Storage on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Firmware Update Support
Can it receive firmware updates?
No
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if firmware can be updated.
In the battle of Firmware Update Support,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Firmware Update Support on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Offline Mode
Does it have an offline mode?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Confirms if features work without internet.
In the battle of Offline Mode,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Offline Mode on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Sleep Mode Timer
Does it have a sleep mode timer?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Allows timed pause of cleaning cycles.
In the battle of Sleep Mode Timer,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleep Mode Timer on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Data Privacy Controls
Does it offer data privacy controls?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Ensures user control over collected data.
Don’t keep it to yourself — be the first to react and review the
Data Privacy Controls on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Comfort & Usability
11
Low Entry Design
Does it have a low entry design?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Indicates if the litter box is designed with a low entry point for easy access.
In the battle of Low Entry Design,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Low Entry Design on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Privacy Cover
Is a privacy cover included?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
States if a privacy cover is included.
In the battle of Privacy Cover,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Privacy Cover on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Entry Door Type
What type of entry door does it have?
75
Litter-Robot 3
0Votes
None
75
Litter-Robot 4
0Votes
None
Describes the type of entry door mechanism.
In the battle of Entry Door Type,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Entry Door Type on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Entry Door Removable
Is the entry door removable?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Specifies if the entry door can be detached.
In the battle of Entry Door Removable,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Entry Door Removable on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Transparent Window
Does it include a transparent window?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Indicates if the unit has a transparent window for visibility.
In the battle of Transparent Window,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Transparent Window on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Interior Lighting
Does it have interior lighting?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
States if the interior is equipped with lighting.
In the battle of Interior Lighting,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Interior Lighting on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Automatic Night Light
Does it have an automatic night light?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Provides automatic illumination for nighttime use.
In the battle of Automatic Night Light,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Automatic Night Light on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Anti-Tracking Step
Does it have an anti-tracking step?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if there’s a step designed to catch litter from paws.
In the battle of Anti-Tracking Step,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Anti-Tracking Step on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Anti-Tracking Walkway
Does it include an anti-tracking walkway?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
Confirms presence of a walkway that reduces litter tracking.
In the battle of Anti-Tracking Walkway,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Tracking Walkway on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Enclosure Option
Is an enclosure option available?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
States if an optional enclosure is available.
In the battle of Enclosure Option,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Enclosure Option on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Cat-Friendly Opening Angle
Does it have a cat-friendly opening angle?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if the opening is angled for cat comfort.
In the battle of Cat-Friendly Opening Angle,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cat-Friendly Opening Angle on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
15
Watt
1Votes
vs
Energy Consumption
The Litter-Robot 4 runs at a low 15 watts, making it energy-efficient while maintaining power for sensors. The Litter-Robot 3’s consumption is unspecified but comparable. The newer motor is quieter and eco-friendlier.
Indicates energy use per cycle or hour.
Based on community votes for Energy Consumption,
Litter-Robot 3 ◉ earned
0 votes,
less than
Litter-Robot 4 ◉,
which got 1 votes.
Both share a modern look, but the Litter-Robot 4’s sleeker lines and compact shape create a more refined appearance. Fits stylishly into smart homes or minimalist spaces. Subtle upgrade in visual appeal.
Describes the aesthetic style.
In the battle of Decorative Style,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Decorative Style on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 4 includes an optional ramp that reduces step height to 6.9 inches (17.5 cm). The Litter-Robot 3 lacks a built-in ramp, making it harder for small or senior cats. Better accessibility overall.
Notes if a ramp is provided for easier cat access.
In the battle of Ramp,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Ramp on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Scoop
Is a scoop included?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
States if a scoop is included as an accessory.
In the battle of Scoop,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Scoop on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Mat
Is a mat included?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Specifies if a litter-trapping mat is included.
In the battle of Mat,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Mat on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Extra Filter
Is an extra filter included?
No
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates whether additional filters come with purchase.
In the battle of Extra Filter,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Extra Filter on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Furniture Enclosure Compatibility
Is it compatible with furniture enclosures?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Notes if the litter box can fit inside furniture-style enclosures.
In the battle of Furniture Enclosure Compatibility,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Furniture Enclosure Compatibility on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
The Litter-Robot 3 needs cleaning roughly monthly, while the Litter-Robot 4 benefits from weekly cleaning for optimal hygiene. The new coatings make this faster and simpler. Keeps odors away for multi-cat households.
Indicates how often the unit should be cleaned.
In the battle of Cleaning Frequency Recommended,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
5 score
measurement.
Based on community votes for Cleaning Frequency Recommended,
Litter-Robot 3 ◉ earned
1 votes,
more than
Litter-Robot 4 ◉,
which got 0 votes.
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
80
Litter-Robot 4
0Votes
25
vs
Liner Replacement Cost
The Litter-Robot 4 lists a liner replacement cost of around $25, while the Litter-Robot 3 provides no pricing. Suggests better-quality liners designed for longer life. Worth considering for ongoing costs.
Average cost of replacement liners.
Don’t keep it to yourself — be the first to react and review the
Liner Replacement Cost on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Water Resistance Level
What is the water resistance level?
78
Litter-Robot 3
0Votes
Low
80
Litter-Robot 4
0Votes
Low
Litter-Robot 3
Safe for surface wiping; do not submerge the base since it contains electrical components.
Litter-Robot 4
Safe for light splashes during cleaning but not waterproof.
Describes the product’s resistance to water exposure.
In the battle of Water Resistance Level,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Water Resistance Level on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Deep Cleaning Required
Is deep cleaning required?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
States if periodic deep cleaning is necessary.
In the battle of Deep Cleaning Required,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Deep Cleaning Required on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Disassembly Required for Cleaning
Does cleaning require disassembly?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Notes whether the box must be disassembled for proper cleaning.
In the battle of Disassembly Required for Cleaning,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
, delivering
equal
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Disassembly Required for Cleaning on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Spare Parts Availability
Are spare parts available?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Indicates if replacement parts are available from manufacturer.
In the battle of Spare Parts Availability,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Spare Parts Availability on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Expected Lifespan
What is the expected lifespan?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Estimates how many years the litter box should last.
Don’t keep it to yourself — be the first to react and review the
Expected Lifespan on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Filter Replacement Cost
What is the filter replacement cost?
Who knows?
0Votes
Litter-Robot 3
(Help us out by suggesting one!)
Who knows?
0Votes
Litter-Robot 4
(Help us out by suggesting one!)
Average cost of replacing odor filters.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Cost on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Maintenance Tools
Are maintenance tools included?
No
0Votes
Litter-Robot 3
No
0Votes
Litter-Robot 4
States if special tools for maintenance are included.
In the battle of Maintenance Tools,
Litter-Robot 3 ◉ is
same as
Litter-Robot 4 ◉
.
Don’t keep it to yourself — be the first to react and review the
Maintenance Tools on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Service Support Availability
Is service support available?
Yes
0Votes
Litter-Robot 3
Yes
0Votes
Litter-Robot 4
Notes whether customer service and repair support are available.
In the battle of Service Support Availability,
Litter-Robot 3 ◉ is
worse than
Litter-Robot 4 ◉
, delivering
lower
3 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Service Support Availability on Litter-Robot 3 ◉
vs Litter-Robot 4 ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Cleaning Efficiency
How fast and effectively does this automatic litter box clean itself after use?
Very fast — Under 1 minute per cycle
0Votes
0Votes
Fast — 1 to 2 minutes per cycle
0Votes
0Votes
Average speed — 2 to 4 minutes per cycle
0Votes
0Votes
Slow — 4 to 6 minutes per cycle
0Votes
0Votes
Very slow — Over 6 minutes per cycle
0Votes
0Votes
Odor Control Performance
How well does this automatic litter box control and reduce odor?
Excellent odor control — Almost no smell at all
0Votes
0Votes
Very good — Mild scent after long use
0Votes
0Votes
Decent — Noticeable odor after a few hours
0Votes
0Votes
Weak — Frequent odor buildup
0Votes
0Votes
Poor — Strong and persistent smell
0Votes
0Votes
Noise Level
How quiet is this automatic litter box while cleaning?
Very quiet — Under 40 dB
0Votes
0Votes
Quiet — 40 to 50 dB
0Votes
0Votes
Moderate — 50 to 60 dB
0Votes
0Votes
Noisy — 60 to 70 dB
0Votes
0Votes
Very noisy — Over 70 dB
0Votes
0Votes
Sensor Accuracy and Detection
How accurate are the sensors in detecting when your cat enters or exits this automatic litter box?
Highly accurate — Detects instantly every time
0Votes
0Votes
Reliable — Detects correctly most of the time
0Votes
0Votes
Average — Occasional delay or missed detection
0Votes
0Votes
Inconsistent — Often triggers at the wrong time
0Votes
0Votes
Unreliable — Rarely detects correctly
0Votes
0Votes
Waste Storage Capacity
How large is the waste storage capacity of this automatic litter box before it needs emptying?
Very large — Holds up to 2 gallons
0Votes
0Votes
Large — 1.5 to 2 gallons
0Votes
0Votes
Medium — 1 to 1.5 gallons
0Votes
0Votes
Small — 0.5 to 1 gallon
0Votes
0Votes
Very small — Under 0.5 gallon
0Votes
0Votes
Ease of Setup
How easy is it to set up and maintain this automatic litter box?
Very easy — Setup under 10 minutes
0Votes
0Votes
Very easy — Setup under 10 minutes
0Votes
0Votes
Moderate — Some parts tricky to install
0Votes
0Votes
Hard — Needs frequent effort
0Votes
0Votes
Very hard — Complicated setup
0Votes
0Votes
Smart Features
How convenient and responsive is the app control or smart monitoring feature of this automatic litter box?
Very convenient — Instant updates
0Votes
0Votes
Reliable — Works smoothly with minor lag
0Votes
0Votes
Decent — Basic functions operate fine
0Votes
0Votes
Limited — Few features or slow response
0Votes
0Votes
Poor — App often disconnects or fails
0Votes
0Votes
Durability
How sturdy and long-lasting does this automatic litter box feel?
Very durable — Lasts over 5 years
0Votes
0Votes
Durable — 3 to 5 years
0Votes
0Votes
Average — 1 to 2 years
0Votes
0Votes
Weak — Feels fragile
0Votes
0Votes
Very weak — Breaks or malfunctions within months
0Votes
0Votes
Comfort and Safety
How comfortable and safe does this automatic litter box feel for cats during use?
Very comfortable — Spacious and pet-friendly design
0Votes
0Votes
Comfortable — Fits most cats easily
0Votes
0Votes
Acceptable — Slightly small or intimidating for large cats
0Votes
0Votes
Uncomfortable — Cats hesitant to enter
0Votes
0Votes
Unsafe — Startles or scares cats frequently
0Votes
0Votes
Pricing
How do you feel about the price of this automatic litter box?
Supermod
Moderator
Recaptor
0
Cartling
20
20
