Our Verdict
Ellenpent Automatic Litter Box Wins

It boasts a significantly larger 9.0L waste capacity and a faster 2-minute cleaning cycle. Choose PETKIT for its explicit 25 lbs max pet weight support and 5G Wi-Fi.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $234 | $200 |
| Rating | 4.3(570) | 4.5(165) |
| Sensor Type | infrared, weight | OmniSense |
| Max Pet Weight | 0 lbs | 25 lbs |
| Waste Capacity | 9L | 5.5L |
| App Subscription | — | Free |
| Weight | 0 lbs | 24 lbs |
| Model Number | CH-ICB019 | Purobot Crystal Duo |
| WiFi | Yes | Yes |
| Cleaning Cycle | 2 min | 7 min |
| Dimensions | — | 22" × 30" × 27" |
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Pros & Cons
Quick overview of strengths and weaknesses
Ellenpent Automatic Litter
- Automated cleaning within 2 minutes of cat exit.
- 9L waste capacity allows 10 days no scooping.
- Infrared and weight sensors provide safety pause.
- App tracks cat health metrics and activity patterns.
- Large 90L size may require significant floor space.
- Requires recurring purchase of scented gel refills.
- Requires 2.4GHz Wi-Fi for app connectivity.
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 litter box is better for homes with multiple cats or large cats?
The Ellenpent, with its 9.0L waste capacity, is ideal for multiple cats or large breeds, allowing up to 10 days without scooping. The PETKIT specifies a 25 lbs max weight.
What is the main difference in waste drawer capacity between the two?
The Ellenpent has a larger 9.0-liter waste drawer, offering up to 10 days of hands-free operation. The PETKIT has a 5.5-liter capacity, requiring more frequent emptying.
Do either of these litter boxes require an app subscription?
No, neither the Ellenpent nor the PETKIT specifies any recurring app subscription costs. Both offer app control and health monitoring features without additional fees.
Which litter box offers more advanced health monitoring for cats?
Both offer good health monitoring. Ellenpent tracks cat health metrics and activity. PETKIT features an AI camera and urinary health monitor, potentially offering deeper insights into specific health aspects.
How do the safety sensors compare between the Ellenpent and PETKIT?
The Ellenpent uses infrared and weight sensors for safety pauses. The PETKIT features "OmniSense" and general safety sensors. Both aim to ensure pet safety during operation.
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