Our Verdict
Fumoi Automatic Cat Litter Box Wins

It offers a much larger 15L waste capacity vs. PETKIT's 5.5L. Choose PETKIT for its advanced OmniSense sensors and AI camera for health monitoring.
Bottom Line: Fumoi Automatic Cat Litter Box is the better choice. It offers a much larger 15L waste capacity vs.
Key Differences
The most significant spec differences at a glance
Waste Drawer
173% moreWeight
45% lessAdvantages
Where each product wins
Fumoi
- Waste Drawer: 173% higher (15.0 vs 5.5)
- Weight: 45% lower (13.23 vs 24.0)
Who Should Buy Which?
Find the right product for your needs
Buy Fumoi if...
Automatic Cat Litter Box
Ideal for pet owners seeking a low-maintenance, high-capacity automatic litter box for multiple average-sized cats up to 25 lbs. If you prioritize fewer waste bin changes due to its generous 15.0L waste drawer and appreciate the cost-saving benefit of a washable liner, Fumoi is an excellent choice. Its app control and reliable infrared safety sensors provide peace of mind without needing the most advanced health tracking features, making it a practical and efficient solution for daily litter management.
Buy PETKIT if...
PETKIT Open-Top & AI
This product is ideal for tech-savvy cat owners who prioritize advanced health monitoring and superior sensory detection. If you have cats up to 25 lbs and are keen on tracking their urinary health via an AI camera and leveraging comprehensive OmniSense sensors, PETKIT is the choice. While its waste drawer is smaller at 5.5L, its odor control and smart features like 2-way raking offer a premium experience for those valuing cutting-edge technology and detailed insights into their pet's well-being.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $200 | $200 |
| Rating | 4.3(2.1k) | 4.5(165) |
| Sensor Type | infrared | OmniSense |
| Max Pet Weight | 25 lbs | 25 lbs |
| Waste Capacity | 15L | 5.5L |
| App Subscription | — | Free |
| Weight | 13.23 lbs | 24 lbs |
| WiFi | Yes | Yes |
| Dimensions | 19.6" × 25.8" × 21.6" | 22" × 30" × 27" |
| Model Number | — | Purobot Crystal Duo |
| Cleaning Cycle | — | 7 min |
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Pros & Cons
Quick overview of strengths and weaknesses
Fumoi Automatic Cat
- Infrared sensors pause cleaning for pet safety.
- 95L drum capacity supports multiple cats.
- 15L sealed waste bin for extended use.
- App controls cleaning schedules and tracks usage.
- Requires 2.4GHz WiFi for app control.
- Max pet weight limited to 25 lbs.
- Large dimensions may require significant floor space.
PETKIT Open-Top &
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
Frequently Asked Questions
Common questions about this comparison
Which is better for multiple cats?
Fumoi is better due to its 15L waste drawer capacity, significantly larger than PETKIT's 5.5L, reducing frequency of emptying for multi-cat households.
What's the main difference in sensor technology?
Fumoi uses infrared sensors for safety, pausing cleaning when a pet is detected. PETKIT features OmniSense sensors, offering more comprehensive detection and potentially enhanced safety features, including an AI camera for health.
Which has a larger waste capacity?
Fumoi has a significantly larger waste drawer capacity at 15.0 liters. PETKIT's waste drawer capacity is 5.5 liters, meaning it would require more frequent emptying.
Are there any subscription costs for the app?
No, neither product lists an app subscription cost, implying both offer their app control features without additional recurring fees.
What are the main differences in dimensions?
PETKIT is larger overall, with dimensions of 27.0" D x 22.0" W x 30.0" H. Fumoi is slightly more compact at 21.6" D x 19.6" W x 25.8" H.
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