Our Verdict
Meowant MeoWant Self-Cleaning Cat Litter Box Wins

It supports cats up to 22 lbs, unlike UPFAS designed for medium cats. Choose UPFAS if ultra-quiet 35dB operation is prioritized, you have medium/kitten cats, and don't mind 90 minutes of assembly.
Bottom Line: Meowant MeoWant Self-Cleaning Cat Litter Box is the better choice. It supports cats up to 22 lbs, unlike UPFAS designed for medium cats.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
100% moreNoise Level
9% moreAdvantages
Where each product wins
Meowant
- Max Pet Weight Lbs: 100% higher (22.0 vs 0.0)
UPFAS
- Noise Level: 9% lower (38.0 vs 35.0)
Who Should Buy Which?
Find the right product for your needs
Buy Meowant if...
MeoWant Self-Cleaning Cat Litter
If you have larger cats (up to 22 lbs) or a multi-cat household and want a reliable, automatic litter box that doesn't require assembly, the Meowant is ideal. Its 6.8in low entry is great for older or mobility-challenged cats, and the integrated anti-pinch mechanism offers peace of mind. You appreciate app monitoring but prioritize physical product performance and cat comfort over absolute silence, and are willing to pay a premium for capacity.
Buy UPFAS if...
UPFAS Automatic Cat Litter
If you own medium cats or kittens and are looking for a more budget-friendly automatic litter box, the UPFAS is an excellent choice. You're comfortable with a 90-minute assembly process to save money and value its ultra-quiet operation (under 35 dB) and fully washable drum for superior hygiene. It's not for large cats, but perfect for smaller felines and offers remote app control and monitoring.
Spec Comparison
8 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $256 | $200 |
| Rating | 4.0(1.2k) | 4.4(942) |
| Sensor Type | weight | weight |
| Max Pet Weight | 22 lbs | 0 lbs |
| App Subscription | Free | Free |
| Weight | 0 lbs | 0 lbs |
| Model Number | MW-SC02 | Little-Box-500C-DIY-001 |
| WiFi | Yes | Yes |
| Noise Level | 38 dB | 35 dB |
| Dimensions | — | 19.84" × 22.44" × 18.23" |
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Pros & Cons
Quick overview of strengths and weaknesses
Meowant Self-Cleaning Cat
- Accommodates cats 3.3-22 lbs; low 6.8in entry.
- Auto-cleans, separates waste into enclosed bin.
- Integrated anti-pinch mechanism protects cats.
- APP monitors cat weight and activity data.
- Similar cat weights may cause APP data errors.
- Requires 2.4GHz Wi-Fi for remote APP control.
- Overfilling litter results in excess being cleaned.
- Mat under box causes weighing errors.
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 for larger cats or multi-cat homes?
The Meowant litter box is better for larger cats, accommodating pets from 3.3 to 22 lbs. The UPFAS model is designed only for medium cats and kittens and is not suitable for large adult cats, making Meowant more versatile.
What is the primary difference in noise level between the two products?
The UPFAS Automatic Cat Litter Box is quieter, operating below 35 dB during cleaning. The Meowant Self-Cleaning Cat Litter Box operates at a slightly higher noise level of 38 dB. Both are generally considered quiet for their category.
Do either of these smart litter boxes require an app subscription fee?
No, neither the Meowant nor the UPFAS automatic cat litter box requires an app subscription. Both offer full remote control and monitoring capabilities through their respective apps at no additional cost, enhancing convenience for owners.
Is assembly required for either of these litter boxes?
The UPFAS Automatic Cat Litter Box requires approximately 90 minutes for assembly. The Meowant MeoWant Self-Cleaning Cat Litter Box does not specify assembly, implying it comes pre-assembled or with minimal setup.
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