Our Verdict
MeowWhimsy Automatic Self Cleaning Litter Box Wins

It handles heavier cats (33 lbs vs 25 lbs) and has a much larger 15L waste bin (PETKIT has 5.5L). Choose PETKIT for its unique AI Camera for urinary health monitoring.
Bottom Line: MeowWhimsy Automatic Self Cleaning Litter Box is the better choice. It handles heavier cats (33 lbs vs 25 lbs) and has a much larger 15L waste bin (PETKIT has 5.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
32% moreWaste Drawer
173% moreWeight
100% lessAdvantages
Where each product wins
MeowWhimsy
- Max Pet Weight Lbs: 32% higher (33.0 vs 25.0)
- Waste Drawer: 173% higher (15.0 vs 5.5)
- Weight: 100% lower (0 vs 24.0)
Who Should Buy Which?
Find the right product for your needs
Buy MeowWhimsy if...
Automatic Self Cleaning Litter
If you need a robust, low-maintenance self-cleaning litter box, the MeowWhimsy is your ideal choice. Owners with larger cats (up to 33 lbs) or multiple feline companions will appreciate its superior 15-liter waste drawer capacity, minimizing emptying frequency. Prioritizing automated waste removal, odor control from its sealed bin, and remote monitoring via the Tuya app, this product offers excellent value and convenience for a hands-off approach to litter box management, especially if you have 2.4G Wi-Fi.
Buy PETKIT if...
PETKIT Open-Top & AI
The PETKIT Open-Top & AI Camera litter box is perfect for tech-savvy cat parents who prioritize advanced health monitoring and specific aesthetic preferences. If you desire an open-top design and value features like the AI Camera for urinary health insights, this product is tailored for you. While its waste capacity (5.5L) and max cat weight (25 lbs) are less than MeowWhimsy, its OmniSense sensors and 5G WiFi support cater to those seeking cutting-edge smart features, willing to manage specific litter requirements and a slightly larger footprint for enhanced pet wellness tracking.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $200 | $200 |
| Rating | 4.4(188) | 4.5(165) |
| Sensor Type | infrared, weight | OmniSense |
| Max Pet Weight | 33 lbs | 25 lbs |
| Waste Capacity | 15L | 5.5L |
| App Subscription | — | Free |
| Weight | 0 lbs | 24 lbs |
| Model Number | AE-box | Purobot Crystal Duo |
| WiFi | Yes | Yes |
| Noise Level | 35 dB | — |
| Dimensions | — | 22" × 30" × 27" |
| Cleaning Cycle | — | 7 min |
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Pros & Cons
Quick overview of strengths and weaknesses
MeowWhimsy Automatic Self
- Automates waste removal and scooping
- Sealed 15L waste bin minimizes odor
- Supports cats up to 33 lbs
- Cleaning cycle pauses if cat detected
- Not compatible with crystal litter
- Requires 2.4G Wi-Fi for app control
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 larger cats or multiple cats?
The MeowWhimsy is better, supporting cats up to 33 lbs, compared to PETKIT's 25 lbs limit. Its larger 15L waste drawer also accommodates more waste, reducing emptying frequency, ideal for multiple cats.
What is the main difference in waste capacity?
The MeowWhimsy boasts a significantly larger waste drawer capacity at 15 liters. In contrast, the PETKIT has a 5.5-liter waste drawer, meaning the MeowWhimsy requires less frequent emptying, a key convenience.
Is there a difference in app usage or features?
Both offer app control and monitoring with no subscription cost. MeowWhimsy uses the Tuya app for remote control. PETKIT includes an AI camera for urinary health monitoring, a unique feature not found in MeowWhimsy.
What kind of sensors do these litter boxes use for safety?
The MeowWhimsy uses infrared and weight sensors to detect cats and pause cleaning. The PETKIT features OmniSense sensors, also ensuring safety by detecting your pet during operations. Both prioritize pet safety.
What is the maximum pet weight supported by each device?
The MeowWhimsy supports cats up to 33 lbs, making it suitable for larger felines. The PETKIT has a slightly lower maximum pet weight capacity of 25 lbs.
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