Our Verdict
GUNJI Automatic Self-Cleaning Litter Box Wins

It supports cats up to 24.2 lbs and has a 10L waste drawer. Choose UPFAS if quiet operation (<35 dB) and a fully washable drum are priorities, and you have medium/small cats.
Bottom Line: GUNJI Automatic Self-Cleaning Litter Box is the better choice. It supports cats up to 24.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
100% moreAdvantages
Where each product wins
GUNJI
- Max Pet Weight Lbs: 100% higher (24.2 vs 0.0)
Who Should Buy Which?
Find the right product for your needs
Buy GUNJI if...
GUNJI Automatic Self-Cleaning Litter
If you have a multi-cat household or a larger feline friend up to 24.2 lbs, the GUNJI is your ideal choice. This buyer prioritizes advanced safety, benefiting from its multi-layer infrared, radar, hall, and gravity sensors. They value convenience with a large 10-liter waste drawer, allowing for up to 10 days of hands-free operation. Cost-effectiveness is also key, as it offers robust features and app control without subscription fees at a more affordable price, making it perfect for those seeking reliable performance and peace of mind.
Buy UPFAS if...
UPFAS Automatic Cat Litter
The UPFAS is perfect for the owner of medium cats or kittens who values a serene home environment, as its cleaning cycle operates below 35 dB. This buyer appreciates thorough hygiene, with the fully washable drum offering superior deep cleaning. They are comfortable with a 90-minute assembly process and are willing to invest slightly more for these specific benefits. Ideal for those who prioritize quiet operation and comprehensive sanitation over supporting larger cat sizes or maximum waste capacity.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $170 | $200 |
| Rating | 4.0(125) | 4.4(942) |
| Sensor Type | infrared, radar, hall, gravity | weight |
| Max Pet Weight | 24.2 lbs | 0 lbs |
| Waste Capacity | 10L | — |
| App Subscription | Free | Free |
| Weight | 0 lbs | 0 lbs |
| Model Number | G25-SCLB24-0769-0807 | Little-Box-500C-DIY-001 |
| WiFi | Yes | Yes |
| Noise Level | — | 35 dB |
| Dimensions | — | 19.84" × 22.44" × 18.23" |
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Pros & Cons
Quick overview of strengths and weaknesses
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.
UPFAS Automatic Cat
- Cleaning noise is below 35 dB.
- App monitors cat weight, time, and frequency of use.
- Drum part is fully washable for cleaning.
- Remote control and monitoring via app (Wi-Fi/BT).
- Requires 90 minutes for assembly.
- Not suitable for large adult cats.
Frequently Asked Questions
Common questions about this comparison
Which litter box is better suited for households with larger or multiple cats?
The GUNJI is ideal, supporting cats up to 24.2 lbs and featuring a 10-liter waste drawer that can hold up to 10 days of waste, making it more practical for multiple or larger pets.
What are the key differences in their safety and waste management features?
GUNJI uses multi-layer sensors (infrared, radar, hall, gravity) for enhanced safety and has a 10L waste drawer. UPFAS primarily uses a weight sensor and does not specify its waste capacity.
Is there a significant difference in noise level or ease of cleaning between the two?
The UPFAS boasts ultra-quiet operation, below 35 dB, and a fully washable drum. The GUNJI's noise level isn't specified, and its base unit needs to be kept dry when cleaning the compartment.
Do both litter boxes offer similar app control and monitoring capabilities?
Yes, both offer app control for remote operation and tracking cat usage, duration, and weight. The GUNJI requires 2.4G WiFi, while UPFAS utilizes both Wi-Fi and Bluetooth for connectivity.
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