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Self Cleaning Litter Boxes

UBPET Self Cleaning Litter Boxes: 2 Picks Ranked by Specs

November 4, 2026 5 min read

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You are looking for the best UBPET self cleaning litter boxes for your home. This guide compares 2 models to help you choose. UBPET offers open-top designs in large and xx-large sizes, featuring app control and safety sensors. The UBPET C41 White Open-Top Litter Box leads this list because it provides ample space for multiple large cats. All picks are ranked strictly by the specifications published on the product listings. We focus on dimensions, weight, and connectivity to ensure you find the right fit.

#ProductBest forPrice
1UBPET C41 White Open-Top Litter Box Best overallMultiple large cats needing open access
2UBPET Large Open-Top Litter Box Best open-topMulti-cat homes preferring open designs

UBPET Litter Box Specs at a Glance

The UBPET lineup splits into two clear groups based on design and capacity. The C41 White Open-Top Litter Box stands out as the best overall choice for multiple large cats. It offers an xx-large footprint measuring 24.8 by 20 inches. Its open design prioritizes spacious access. The unit weighs 30 pounds and includes app control and safety sensors. This model suits owners who value maximum interior volume and easy entry. The second group features the Large Open-Top Litter Box. This model targets multi-cat homes preferring a standard large size. It measures 27.6 by 19 inches but sits lower at 7.6 inches high. It weighs just 11 pounds. This unit also provides app monitoring and anti-pinch protection. You should choose the C41 for heavy-duty use. Pick the C31 for a lighter, more compact footprint.

1Best overall
UBPET C41 White Open-Top Litter Box

UBPET C41 White Open-Top Litter Box

Best for: Multiple large cats needing open access

Interior Capacity
106L
Design Type
Low-entry, open-front
Connectivity
2.4GHz Wi-Fi
Cat Weight Range
2.2–30 lbs
Safety Sensors
Anti-pinch, 4 weight sensors
Health Tracking
Bathroom frequency, duration, weight

The UBPET C41 is an extra-large automatic litter box with a 106L interior and a low, open-front design. It uses four weight sensors and an anti-pinch structure for safety. The unit connects via 2.4GHz Wi-Fi to track cat health data. It measures 24.8 inches long and weighs 30 pounds. This model suits multiple cats and large breeds up to 30 lbs.

Pros
  • 106L interior capacity fits cats up to 30 lbs
  • Four weight sensors pause operation for safety
  • Open-front design with low entrance for easy access
  • Sealed waste compartment with deodorizer block
Cons
  • 30-pound weight makes the unit bulky
  • 2.4GHz Wi-Fi only limits network compatibility
  • 20-inch width requires significant floor space
Good fit if
  • You have multiple cats sharing one box
  • You need a large capacity for big breeds
  • You want open access for senior cats
Skip if
  • You only have a single small cat
  • You have limited floor space available
  • You require 5GHz Wi-Fi connectivity

Verdict: UBPET C41 106L Open Litter Box fits households with multiple large cats who need a spacious, safe, and easily accessible cleaning solution. It is best for owners prioritizing capacity and open design over compact size.

2Best open-top
UBPET Large Open-Top Litter Box

UBPET Large Open-Top Litter Box

Best for: Multi-cat homes preferring open designs

Design Type
Open-top, 7.6" step-in
Health Tracking
Weight, bathroom frequency, duration
Odor Control
Deodorizer with scent gel
Waste Drawer Capacity
1.85 gallons
Suitable For
Multiple Cats
Safety Features
Anti-Pinch Protection

The UBPET C31 is a large, open-top automatic litter box designed for multi-cat households. It features a spacious 27.6 x 19 inch footprint and a shallow 7.6 inch step-in height. Smart weight sensors pause cleaning when your cat is inside. The app tracks weight and bathroom habits. A 1.85-gallon waste drawer handles daily use.

Pros
  • Open-top design with a 27.6 x 19 inch interior
  • Four weight sensors pause cleaning for safety
  • App monitors weight and bathroom frequency
  • 1.85-gallon waste drawer capacity
Cons
  • 1.85-gallon waste drawer is smaller than competitors
  • 11-pound weight adds bulk to the setup
  • Requires specific litter types to avoid clogging
Good fit if
  • You have multiple cats needing space
  • You prefer open-top designs for easy access
  • You want app-based health tracking
Skip if
  • You need a fully enclosed box for odor containment
  • You prefer a larger waste drawer capacity
  • You want a lighter unit for frequent moving

Verdict: UBPET C31 Open-Top Large Litter Box fits multi-cat homes that prefer open designs and app tracking. It offers safe, spacious cleaning but requires careful litter selection.

Specifications side by side

SpecUBPET C41 White Open-Top Litter BoxUBPET Large Open-Top Litter Box
Interior Capacity106L–
Design TypeLow-entry, open-frontOpen-top, 7.6" step-in
Connectivity2.4GHz Wi-Fi–
Cat Weight Range2.2–30 lbs–
Safety SensorsAnti-pinch, 4 weight sensors–
Health TrackingBathroom frequency, duration, weightWeight, bathroom frequency, duration
Odor ControlSealed lid, deodorizing blockDeodorizer with scent gel
Waste Drawer Capacity–1.85 gallons
Suitable ForMultiple Cats, Large CatsMultiple Cats
Design–Open-Top
Safety FeaturesSafety Sensors, Anti-Pinch ProtectionAnti-Pinch Protection
Target PetCatsCats, Multi-Cat Homes
ColorWhiteWhite
SizeXX-LargeLarge
Smart Features–App Monitoring
Dimensions24.8 × 20 × 22.5 inches27.6 × 19 × 7.6 inches
Weight30 pounds11 pounds
ModelC41Ubpet-C31

Who UBPET Fits Best

UBPET targets multi-cat households needing open-top designs. The range spans from large to xx-large footprints. You get app control and safety sensors on both models. The C31 offers a lower profile at 7.6 inches high. The C41 provides more height and depth for larger cats. Both use white finishes. There are no covered or hooded options listed. Compact or small-size models are also absent. If you need a compact unit or a covered box, this brand may not suit your space or cat’s preference for enclosed privacy.

How to Choose the Right UBPET Model

Check Capacity Needs

You must match the footprint to your household size. The C41 offers an xx-large design with a 24.8-inch length and 20-inch width. This spacious interior suits multiple large cats who need room to turn around. The C31 provides a large footprint at 27.6 inches long but is narrower. If you have several big cats, the C41’s volume is safer. Smaller homes or single cats might find the C31’s dimensions sufficient. Measure your available floor space before deciding.

Review Safety Sensors

Safety features are critical for automatic cleaning cycles. The C41 includes dedicated safety sensors to detect obstructions. This prevents the mechanism from closing on a cat or object. The C31 lists anti-pinch protection as its primary safety measure. Both systems aim to stop injury during operation. You should verify that sensors remain clean and unobstructed. Regular maintenance ensures these features function correctly. Prioritize the model with the most robust sensor type for your active pets.

Consider App Control

Smart connectivity allows you to monitor cleaning status remotely. Both models support app control for convenience. You can track usage and schedule cycles from your phone. This feature is useful for busy owners who want to stay informed. The C41 and C31 both integrate with this system. Ensure your Wi-Fi network is stable for reliable connections. App control adds a layer of management but requires setup. Decide if remote monitoring is essential for your routine.

Assess Design Type

Open-top designs offer easier access for cats. Both the C41 and C31 feature open tops. This style reduces anxiety for cats who dislike enclosed spaces. You can also clean the interior manually if needed. The C31 has a lower profile at 7.6 inches high. This might help older cats enter and exit easily. The C41 is taller at 22.5 inches. Choose the height that best fits your cats’ mobility needs.

Evaluate Weight Limits

The unit’s weight affects stability and portability. The C41 weighs 30 pounds, providing a solid base. Its heavier build may reduce movement during cleaning cycles. The C31 is lighter at 11 pounds. This makes it easier to move for deep cleaning. Consider if you need to relocate the box often. Heavier units stay put better but are harder to shift. Match the weight to your cleaning habits and floor type.

Frequently asked questions

Which UBPET litter box is best for multiple large cats?

The UBPET C41 White Open-Top Litter Box is the top pick. It features an xx-large footprint measuring 24.8 by 20 inches. This spacious interior accommodates multiple large cats comfortably. The model includes app control and safety sensors for secure operation. It is designed for households prioritizing capacity and open access over compact dimensions.

What is the difference between the UBPET C41 and C31 models?

The C41 is an xx-large unit weighing 30 pounds, standing 22.5 inches high. The C31 is a large model weighing 11 pounds, with a lower profile of 7.6 inches. Both offer app monitoring and safety features. The C41 provides more vertical space and weight capacity. The C31 offers a wider base at 27.6 inches long for easier entry.

Do UBPET self cleaning litter boxes require an app?

Yes, both models in this lineup include app control. The C41 White Open-Top Litter Box supports app control for remote management. The C31 Large Open-Top Litter Box also features app monitoring. This allows you to track cleaning cycles and status from your device. You do not need a separate remote for basic operation.

Are UBPET litter boxes safe for cats?

Both models include specific safety mechanisms. The C41 is equipped with safety sensors to detect presence. The C31 features anti-pinch protection to prevent injury during cleaning cycles. These features help ensure your cats remain safe while the unit operates. The open-top design also allows cats to monitor the cleaning process.

What size is the UBPET C31 litter box?

The UBPET C31 Large Open-Top Litter Box is classified as large. It measures 27.6 inches in length and 19 inches in width. The height is 7.6 inches, making it a low-profile unit. It weighs 11 pounds. This size is suitable for multi-cat homes that prefer an open design with app tracking capabilities.

Can I use the UBPET C41 for multiple cats?

Yes, the C41 is explicitly suitable for multiple cats. Its xx-large size provides ample room for several large cats. The open-top design facilitates easy access for all pets. The unit supports app control for managing cleaning schedules. It is ideal for households where space is available and capacity is a priority.

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