Our Verdict
GUNJI GUNJI Wins

It supports heavier cats up to 24.2 lbs and has a slightly larger 10L waste drawer. Choose DuckSky if you prioritize ozone deodorization and cats under 18 lbs.
Bottom Line: GUNJI GUNJI is the better choice. It supports heavier cats up to 24.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
26% lessWaste Drawer
10% lessAdvantages
Where each product wins
GUNJI
- Max Pet Weight Lbs: 26% higher (18.0 vs 24.2)
- Waste Drawer: 10% higher (9.0 vs 10.0)
Who Should Buy Which?
Find the right product for your needs
Buy DuckSky if...
Automatic Litter Box, (2026)
The DuckSky Automatic Litter Box is ideal for owners with one or multiple smaller to medium-sized cats, up to 18 lbs, who prioritize active odor control in their home. If you live in a smaller space and value an integrated ozone generator to mitigate smells from the 9L waste bin, this is for you. This buyer appreciates app control for remote management and doesn't mind the slightly higher price for its unique deodorization. They should have a 2.4GHz Wi-Fi network and be prepared for occasional disassembly for thorough cleaning.
Buy GUNJI if...
GUNJI Automatic Self-Cleaning Litter
The GUNJI GUNJI Automatic Self-Cleaning Litter Box is perfect for owners with larger cats (up to 24.2 lbs) or multiple felines, prioritizing safety and robust capacity. If you seek a budget-friendly option at $169.99 that doesn't compromise on smart features like multi-layer safety sensors and health tracking, this is your pick. The 10L waste drawer accommodates more waste, reducing maintenance frequency. This buyer values versatile app control, standard garbage bag compatibility, and a focus on cat well-being.
Spec Comparison
7 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $190 | $170 |
| Rating | 4.1(1.1k) | 4.0(125) |
| Sensor Type | infrared, weight, smart | infrared, radar, hall, gravity |
| Max Pet Weight | 18 lbs | 24.2 lbs |
| Waste Capacity | 9L | 10L |
| App Subscription | — | Free |
| Weight | 0 lbs | 0 lbs |
| Model Number | Cat litter boxes & liner 03 | G25-SCLB24-0769-0807 |
| WiFi | Yes | Yes |
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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.
GUNJI Automatic Self-Cleaning
- Multi-layer sensors ensure cat safety during operation.
- Remote control and scheduling available via mobile app.
- 10-liter waste drawer holds up to 10 days waste.
- Tracks cat usage, duration, and weight for health.
- Requires 2.4G WiFi connection for app features.
- Base unit must be kept dry during compartment cleaning.
- Maximum cat weight capacity is 24.2 pounds.
Frequently Asked Questions
Common questions about this comparison
Which litter box is better for large or multiple cats?
GUNJI GUNJI is better for larger cats, accommodating up to 24.2 lbs compared to DuckSky's 18 lbs. Both are designed for multiple cats, but GUNJI GUNJI's higher capacity for heavier pets makes it more versatile for varied cat sizes.
What is the main difference in waste drawer capacity?
GUNJI GUNJI offers a 10-liter waste drawer, which holds waste for up to 10 days. DuckSky has a slightly smaller 9-liter capacity, advertised to hold two weeks for a 12lb cat. GUNJI GUNJI provides a bit more storage space overall.
How do their sensor systems differ for safety?
GUNJI GUNJI uses a multi-layer sensor system including infrared, radar, hall, and gravity for enhanced safety. DuckSky employs infrared, weight, and smart sensors. Both aim for safety during operation, but GUNJI GUNJI's broader sensor array might offer more comprehensive protection.
Which litter box offers better odor control features?
DuckSky includes an ozone generator for odor control in its waste bin, though ozone generation can have health risks. GUNJI GUNJI doesn't specify advanced odor elimination beyond waste containment, making DuckSky potentially superior if ozone is acceptable for you.
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