Our Verdict
PETKIT Purobot Max Pro 2 Wins

It offers AI health monitoring via waste analysis without a stated subscription. Choose PETLIBRO Luma for higher max pet weight (22 lbs vs 17.6 lbs) and larger waste capacity (10.98L vs 8L) if a subscription is not a concern.
Spec Comparison
7 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $500 | $600 |
| Rating | 4.3(141) | 4.5(86) |
| Sensor Type | AI camera | weight, visual, infrared |
| Max Pet Weight | 17.6 lbs | 22 lbs |
| Waste Capacity | 8L | 10.98L |
| Weight | 24 lbs | 33.07 lbs |
| WiFi | Yes | Yes |
| Noise Level | 45 dB | — |
| Dimensions | 22" × 25.2" × 26.77" | 22.5" × 28.1" × 23.3" |
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Pros & Cons
Quick overview of strengths and weaknesses
PETKIT 2025 Purobot
- AI camera monitors cat health via waste analysis.
- Multi-cat recognition tracks individual data.
- 8L waste bin holds 17 days of waste for one cat.
- Proximity sensors prevent pet injury during use.
- Max pet weight limited to 17.6 lbs.
- Large unit requires substantial floor space.
- Odor eliminators require periodic replacement.
PETLIBRO Luma Automatic
- AI monitors waste for health tracking
- Triple sensors ensure cat safety during cleaning cycles
- Tracks usage for up to 10 cats individually via app
- Auto scoops and seals waste; carbon filter odor control
- Video recording and AI analysis require subscription
- Requires hard surface for accurate weight sensor operation
- Limited to cats weighing 2.2 to 22 lbs
- Auto-clean unsafe for kittens or cats under 2.2 lbs
Frequently Asked Questions
Common questions about this comparison
Which is better for large or multiple cats?
PETLIBRO Luma is better for larger cats, supporting up to 22 lbs, compared to PETKIT's 17.6 lbs limit. For multiple cats, Luma tracks up to 10 and has a larger 10.98L waste capacity versus PETKIT's 8L, requiring less frequent emptying.
What's the main difference in AI usage and cost?
PETKIT Purobot Max Pro 2 offers AI camera health monitoring via waste analysis without a stated subscription. PETLIBRO Luma's AI waste analysis, live video, and activity alerts require a subscription, making it a recurring cost for full functionality.
Which has a larger waste capacity?
PETLIBRO Luma has a 10.98-liter waste drawer, offering more capacity than the PETKIT Purobot Max Pro 2's 8-liter bin. This translates to less frequent emptying for the Luma, especially for multi-cat homes.
How do the safety features compare?
PETLIBRO Luma has triple sensors including weight, visual, and infrared for safety. PETKIT Purobot Max Pro 2 uses proximity sensors. Both aim to prevent pet injury, but Luma specifies it's unsafe for cats under 2.2 lbs.
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