#2
Product Review · Robot Litter Boxes · #2 Ranked
PETKIT Purobot Max 3
Robot litter boxes · Reviewed by Drew · petkit.com, Sept 2026
82
Solid Buy
Rank #2 of 7 · Robot Litter Boxes
$399.99
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The verdict
Why it scored a 82
Large low entrance; 12 sensors + anti-pinch; 35dB quiet. Satisfaction tops the breakdown at 92; Warranty is where it gives up the most ground at 55.
Key specs
What you're getting
- Large, low entrance for senior cats and big breeds
- 12 sensors plus anti-pinch protection
- 35 dB quiet cycle, about library-level noise
- 7 L waste bin, about 15 days hands-free for one cat
- Wi-Fi app monitors usage and waste level
- Works with most clumping litters
ViperScore breakdown
FactorScoreWeightPoints
Value82×25%20.5
Quality82×20%16.4
Features85×15%12.8
Reliability88×15%13.2
Satisfaction92×15%13.8
Warranty55×10%5.5
Weighted total82
Rest of the field
