Our Verdict
Cumrige Wins

It handles larger cats up to 33 lbs and has a 15L waste bin, exceeding DuckSky's 18 lbs and 9L capacity. Choose DuckSky if detailed infrared and weight sensors are prioritized over larger cat support.
Bottom Line: Cumrige is the better choice. It handles larger cats up to 33 lbs and has a 15L waste bin, exceeding DuckSky's 18 lbs and 9L capacity.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
45% lessWaste Drawer
40% lessWeight
100% lessAdvantages
Where each product wins
DuckSky
- Weight: 100% lower (0.0 vs 30.4)
Cumrige
- Max Pet Weight Lbs: 45% higher (18.0 vs 33)
- Waste Drawer: 40% higher (9.0 vs 15)
Who Should Buy Which?
Find the right product for your needs
Buy DuckSky if...
Automatic Litter Box, (2026)
The ideal buyer for the DuckSky Automatic Litter Box is someone with one to two smaller cats, each weighing up to 18 lbs, who prioritizes detailed cat tracking via infrared, weight, and smart sensors. If you appreciate app control for remote operation and are mindful of a slightly lower budget, DuckSky's 65L toilet volume and 9L waste bin offer sufficient convenience for average usage, despite the ozone odor control's potential health risks and 2.4GHz Wi-Fi requirement.
Buy Cumrige if...
Cumrige Self Cleaning Litter
The Cumrige Self Cleaning Litter Box is perfect for households with multiple cats or larger breeds, supporting pets up to 33 lbs. If you prioritize extended convenience with its ample 15-liter waste bin, lasting up to 15 days, and value robust safety protection sensors, this is your best choice. Its quiet operation and effective deodorizing design, without ozone concerns, make it ideal for a peaceful home environment, accepting its heavier weight and larger footprint.
Spec Comparison
8 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $190 | $200 |
| Rating | 4.1(1.1k) | 4.3(2.5k) |
| Sensor Type | infrared, weight, smart | — |
| Max Pet Weight | 18 lbs | 33 lbs |
| Waste Capacity | 9L | 15L |
| App Subscription | — | Free |
| Weight | 0 lbs | 30.4 lbs |
| Model Number | Cat litter boxes & liner 03 | — |
| WiFi | Yes | Yes |
| Dimensions | — | 21.6" × 26.2" × 21.5" |
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Pros & Cons
Quick overview of strengths and weaknesses
DuckSky Automatic Litter
- 65L toilet volume for cats up to 18lbs.
- 9L waste bin holds 2 weeks for 12lb cat.
- Infrared and weight sensors track cat usage.
- App controls cleaning modes; remote operation.
- App requires 2.4GHz Wi-Fi network.
- Ozone generation for odor control has health risks.
- Full internal cleaning requires disassembly.
Cumrige Self Cleaning
- Cat safety sensors pause cleaning cycles.
- 15-liter waste bin lasts up to 15 days.
- Remote control and health tracking via app.
- Deodorizing design controls odor and prevents leakage.
- Requires 2.4G WiFi for app functionality.
- Unit is heavy at 30.4 pounds.
- Large footprint: 21.6"W x 21.5"D.
Frequently Asked Questions
Common questions about this comparison
Which automatic litter box is better for larger cats or multi-cat households?
Cumrige is better for larger cats, supporting up to 33 lbs, compared to DuckSky's 18 lbs. Cumrige also has a larger 15L waste bin versus DuckSky's 9L, which benefits multi-cat homes with less frequent emptying.
What is the main difference in waste drawer capacity?
Cumrige offers a larger 15-liter waste bin, designed to last up to 15 days. DuckSky has a 9-liter capacity, which can hold about two weeks' worth of waste for a 12lb cat.
How do the sensor types and safety features compare?
DuckSky uses specific infrared, weight, and smart sensors for precise tracking. Cumrige highlights its general cat safety sensors that pause cleaning cycles to ensure pet protection during operation, supporting larger pets.
Is there an app subscription cost for either litter box?
No, neither product specifies an app subscription cost. Both offer app control via 2.4GHz Wi-Fi for remote operation, cleaning modes, and health tracking without additional fees.
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