Our Verdict
HoneyGuaridan Wins

It accommodates larger cats up to 33 lbs, compared to PETKIT's 22 lbs, and offers full IPX5 waterproof rinsing for superior cleaning. Choose PETKIT for its low 7.87-inch entry, ideal for older or mobility-limited pets.
Bottom Line: HoneyGuaridan is the better choice. It accommodates larger cats up to 33 lbs, compared to PETKIT's 22 lbs, and offers full IPX5 waterproof rinsing for superior cleaning.
Key Differences
The most significant spec differences at a glance
Max Pet Weight Lbs
50% moreWeight
100% lessAdvantages
Where each product wins
HoneyGuaridan
- Max Pet Weight Lbs: 50% higher (33.0 vs 22.0)
- Weight: 100% lower (0.0 vs 22.0)
Who Should Buy Which?
Find the right product for your needs
Buy HoneyGuaridan if...
HoneyGuaridan Self-Cleaning Cat Litter
If you need a robust litter box for larger felines or multiple cats, the HoneyGuaridan SL900 is ideal. Supporting pets up to 33lbs, it offers superior capacity. Owners who prioritize hygiene will appreciate its IPX5 waterproof body for full rinsing and easy cleaning. With app control, health tracking, and an optional 48-hour battery backup, it suits those wanting convenience, safety via motion/weight sensors, and peace of mind during power outages. Its hands-free waste disposal for up to 14 days makes it great for busy households.
Buy PETKIT if...
PETKIT PuraMax 2 Automatic
The PETKIT PuraMax 2 is the perfect choice for owners with older cats, kittens (over 3.3 lbs), or felines with mobility issues, thanks to its low 7.87-inch entry. If preventing urine leakage and maintaining a clean environment are top priorities, its sealed base and anti-leakage design offer reassurance. This model is also excellent for tech-savvy pet parents who want detailed individual cat health tracking (weight, usage) via the app. With a generous 7L waste bin providing up to 15 days of hands-free operation, it combines accessibility with modern convenience.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $299 | $282 |
| Rating | 4.2(237) | 4.2(778) |
| Sensor Type | motion, weight | infrared, weight |
| Max Pet Weight | 33 lbs | 22 lbs |
| Waste Capacity | — | 7L |
| App Subscription | Free | — |
| Weight | 0 lbs | 22 lbs |
| Model Number | SL900 | — |
| 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
HoneyGuaridan Self-Cleaning Cat
- IPX5 waterproof body allows full rinsing.
- Motion and weight sensors ensure cat safety.
- App tracks cat health metrics; enables remote cleaning.
- Dual power with 48-hour battery backup option.
- Backup battery must be purchased separately.
- Only supports 2.4GHz WiFi networks.
- Optimal cleaning requires specific brand litter.
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 or multiple cats?
The HoneyGuaridan is better for larger cats, supporting up to 33 lbs, while the PETKIT PuraMax 2 handles up to 22 lbs. For multiple cats, consider the combined weight. HoneyGuaridan's waterproof design also aids maintenance.
What is the main difference in pet weight capacity between these models?
The HoneyGuaridan supports cats up to 33 lbs. In contrast, the PETKIT PuraMax 2 has a lower maximum pet weight capacity of 22 lbs. This makes HoneyGuaridan more suitable for larger feline companions.
Which product offers easier cleaning and maintenance?
The HoneyGuaridan has an IPX5 waterproof body, allowing for full water rinsing and easy cleaning. The PETKIT PuraMax 2 focuses on preventing urine leakage with a sealed base, but does not offer the same full-body rinsability.
Is either litter box more suitable for older or mobility-limited cats?
Yes, the PETKIT PuraMax 2 features a low 7.87-inch entrance, making it ideal for older cats, kittens, or those with mobility challenges. The HoneyGuaridan does not specify a low entry height.
Do either of these automatic litter boxes require an app subscription?
Neither product specifies an ongoing app subscription cost. Both offer app control and health tracking features without an additional reported fee, allowing you to manage and monitor your cat's litter habits remotely.
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