Spec-by-spec
Head to head
Contenders from Self-Cleaning Litter Boxes, every metric lined up. The winning value in each row is outlined.
PETKIT PuraMax 2 Automatic Self-Cleaning Litter Box with App Control #3 in Self-Cleaning Litter Boxes 
Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#11
Cleaning Effectiveness
Rake-based, full sift cycles
Reliable sifting with occasional residue
Odor Control
Sealed drawer + N50 2.0 carbon filter
Moderate; open-top limits containment
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
Full app + AI health + anti-pinch sensors
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
Large drawer, handles 2-3 cats
Ease Of Maintenance
Drawer empties easily; accessible design
Straightforward drawer emptying & setup
Noise
Moderate rake cycle noise
Quiet hum during cycle
Value
$299.99 (23% off list); premium mid-range
Mid-tier pricing for open-top auto box
Verdict
Best app-enabled automatic litter box for multi-cat homes
Best open-top auto box with health monitoring
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