Our Verdict
MeowWhimsy Wins

Offers a larger 15L waste capacity and supports cats up to 33 lbs for less cost. Choose PETKIT for its low 7.87-inch entrance and superior leakage protection, especially for older or mobility-limited cats.
Bottom Line: MeowWhimsy is the better choice. Offers a larger 15L waste capacity and supports cats up to 33 lbs for less cost.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
50% moreWaste Drawer
114% moreWeight
100% lessAdvantages
Where each product wins
MeowWhimsy
- Max Pet Weight Lbs: 50% higher (33.0 vs 22.0)
- Waste Drawer: 114% higher (15.0 vs 7.0)
- Weight: 100% lower (0 vs 22.0)
Who Should Buy Which?
Find the right product for your needs
Buy MeowWhimsy if...
Automatic Self Cleaning Litter
The MeowWhimsy Automatic Self Cleaning Litter Box is ideal for the practical cat owner seeking excellent value and robust capacity for larger felines or multi-cat homes. If you prioritize an expansive 15L waste drawer to minimize emptying chores and need support for cats up to 33 lbs, this $199.99 option is your top choice. It offers reliable automatic cleaning and app control without breaking the bank, perfect for busy individuals wanting less litter box maintenance.
Buy PETKIT if...
PETKIT PuraMax 2 Automatic
The PETKIT PuraMax 2 is perfect for owners prioritizing accessibility and advanced features for their cats, especially older or mobility-challenged pets. Its low 7.87-inch entry and superior urine leakage prevention offer peace of mind. If you value individual cat health tracking via app, sophisticated safety sensors, and are willing to invest $299.99 for these premium, specialized benefits, PETKIT is the superior choice for a tailored, high-tech experience.
Spec Comparison
8 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $200 | $282 |
| Rating | 4.4(188) | 4.2(778) |
| Sensor Type | infrared, weight | infrared, weight |
| Max Pet Weight | 33 lbs | 22 lbs |
| Waste Capacity | 15L | 7L |
| Weight | 0 lbs | 22 lbs |
| Model Number | AE-box | — |
| WiFi | Yes | Yes |
| Noise Level | 35 dB | — |
| Dimensions | — | 21.18" × 21.73" × 24.4" |
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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 PuraMax 2
- Prevents urine leakage with sealed base and pad design.
- Tracks individual cat health data, weight, and usage via app
- 7L waste bin provides up to 15 days of hands-free use.
- Multiple sensors ensure cat safety during cleaning cycles.
- Requires placement on flat, hard floor to ensure sensor func
- Not suitable for young pets under 6 months or 3.3 lbs.
- Only compatible with 2.4GHz WiFi networks for app control.
- Not compatible with K3 Smart Spray odor remover.
Frequently Asked Questions
Common questions about this comparison
Which litter box is better for large cats or multi-cat households?
MeowWhimsy is generally better as it supports cats up to 33 lbs and features a larger 15L waste drawer, accommodating more waste before needing to be emptied, which is beneficial for multiple cats.
What's the main difference in waste capacity between the two products?
The MeowWhimsy offers a significantly larger 15L waste drawer capacity, nearly double the PETKIT PuraMax 2's 7L capacity. This means less frequent emptying with the MeowWhimsy.
Is the PETKIT PuraMax 2's higher price justified?
The PETKIT PuraMax 2's higher price of $299.99 compared to MeowWhimsy's $199.99 is justified by features like its low 7.87-inch entry for older cats, advanced urine leakage prevention, and individual cat health tracking.
Which litter box offers better accessibility for older or mobility-limited cats?
The PETKIT PuraMax 2 is designed with a low 7.87-inch entrance, making it significantly easier for older, smaller, or mobility-limited cats to access comfortably.
Do both litter boxes have similar safety sensors?
Yes, both products utilize infrared and weight sensors to detect the presence of a cat and pause cleaning cycles, ensuring pet safety during operation. Both prioritize a secure environment.
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