Our Verdict
DuckSky Wins
It handles larger cats (up to 18lbs) with advanced infrared, weight, and smart sensors, plus a 9L waste bin. Choose UPFAS for ultra-quiet 35dB operation and a fully washable drum, suitable for medium cats only, despite 90min assembly.
Bottom Line: DuckSky is the better choice. It handles larger cats (up to 18lbs) with advanced infrared, weight, and smart sensors, plus a 9L waste bin.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
100% moreAdvantages
Where each product wins
DuckSky
- Max Pet Weight Lbs: 100% higher (18.0 vs 0.0)
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 households with multiple cats or a single larger cat up to 18 lbs. If you prioritize maximum waste storage, its 9L waste bin can hold two weeks of waste for a 12lb cat, reducing scooping frequency. Owners who appreciate advanced monitoring with infrared, weight, and smart sensors, alongside comprehensive app control for cleaning modes and remote operation, will find this product highly beneficial. This box suits those seeking robust odor control via an ozone generator, despite the minor health considerations, and are comfortable with occasional disassembly for deep cleaning.
Buy UPFAS if...
UPFAS Automatic Cat Litter
The UPFAS Automatic Cat Litter Box is perfectly suited for owners of medium cats or kittens who prioritize a tranquil home environment. If ultra-quiet operation (below 35 dB) is a key factor for you and your pets, this is an excellent choice. Ideal buyers will also value ease of thorough cleaning, as its drum part is fully washable, a significant convenience. Those who don't mind a 90-minute initial assembly and primarily need basic weight monitoring and app control without catering to very large pets will find UPFAS meets their needs effectively.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $190 | $200 |
| Rating | 4.1(1.1k) | 4.4(942) |
| Sensor Type | infrared, weight, smart | weight |
| Max Pet Weight | 18 lbs | 0 lbs |
| Waste Capacity | 9L | — |
| App Subscription | — | Free |
| Weight | 0 lbs | 0 lbs |
| Model Number | Cat litter boxes & liner 03 | 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
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.
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 is better for multiple or larger cats?
DuckSky is better, accommodating cats up to 18lbs with a 65L toilet volume and a 9L waste bin. UPFAS is designed for medium cats and kittens and is not suitable for large adult cats.
What's the main difference in sensor technology?
DuckSky features infrared, weight, and smart sensors for comprehensive tracking of cat usage. UPFAS primarily uses a weight sensor. DuckSky offers more advanced detection and monitoring capabilities.
Which litter box is easier to clean thoroughly?
UPFAS allows the drum part to be fully washed for thorough cleaning. DuckSky, however, requires disassembly for a full internal cleaning, which could be more time-consuming and complex than the UPFAS model.
Which offers better odor control?
DuckSky includes an ozone generator and an odor eliminator for waste bin odor control. While effective, ozone generation carries potential health risks. UPFAS does not specify advanced odor control methods.
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