Our Verdict
PETKIT Purobot Crystal Duo Wins

It handles cats up to 25 lbs, has OmniSense sensors, and a 5.5L waste drawer. Choose Meowant if a lower entry height (6.8in) for smaller cats (3.3-22 lbs) is crucial, despite its unspecified waste capacity.
Bottom Line: PETKIT Purobot Crystal Duo is the better choice. It handles cats up to 25 lbs, has OmniSense sensors, and a 5.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
12% lessWeight
100% lessAdvantages
Where each product wins
Meowant
- Weight: 100% lower (0 vs 24.0)
PETKIT
- Max Pet Weight Lbs: 12% higher (22.0 vs 25.0)
Who Should Buy Which?
Find the right product for your needs
Buy Meowant if...
MeoWant Self-Cleaning Cat Litter
If you have smaller or older cats needing a low 6.8in entry and prioritize ultra-quiet operation at 38dB, the Meowant MeoWant Self-Cleaning Cat Litter Box is ideal. Its integrated anti-pinch mechanism offers superior safety, and the APP tracks cat data, despite potential errors with similar-weight cats. This is perfect for those who value pet-centric design and a peaceful home environment, even if it means a slightly higher price point. It's for owners who put pet comfort and quiet above all else.
Buy PETKIT if...
PETKIT Open-Top & AI
The PETKIT Open-Top & AI Camera Self Cleaning Cat Litter Box is perfect for owners with slightly larger cats, accommodating up to 25 lbs, and seeking a cost-effective solution at $199.99. Its OmniSense sensor type and 5.5L waste drawer capacity make it efficient for multi-cat homes. If you prioritize robust performance, AI camera monitoring for urinary health, and a larger cat weight capacity without breaking the bank, PETKIT offers excellent value, despite its larger footprint. It's for the value-conscious pet parent with bigger felines.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $256 | $200 |
| Rating | 4.0(1.2k) | 4.5(165) |
| Sensor Type | weight | OmniSense |
| Max Pet Weight | 22 lbs | 25 lbs |
| Waste Capacity | — | 5.5L |
| App Subscription | Free | Free |
| Weight | 0 lbs | 24 lbs |
| Model Number | MW-SC02 | Purobot Crystal Duo |
| WiFi | Yes | Yes |
| Noise Level | 38 dB | — |
| Dimensions | — | 22" × 30" × 27" |
| Cleaning Cycle | — | 7 min |
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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.
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 large cats?
The PETKIT Purobot Crystal Duo accommodates slightly heavier cats, up to 25 lbs. The Meowant supports cats from 3.3 to 22 lbs. So, for larger cats approaching 25 lbs, the PETKIT is the better choice.
What is the main difference in their sensor technology?
The Meowant uses a weight sensor, which can be prone to errors if a mat is placed underneath or similar cat weights are present. The PETKIT features more advanced OmniSense sensors and an AI camera for potentially more accurate and comprehensive monitoring.
How do they compare regarding waste drawer capacity?
The PETKIT Purobot Crystal Duo has a specified waste drawer capacity of 5.5 liters. The Meowant MeoWant's waste bin capacity is not specified in its details. This makes the PETKIT a more transparent choice regarding waste management.
Which product offers better health monitoring features?
The PETKIT stands out with its AI Camera and Urinary Health Monitor, providing advanced insights into your cat's well-being. The Meowant also offers app monitoring for cat weight and activity data, but without the specific health focus of PETKIT.
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