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
#14
Cleaning Effectiveness
Rake-based, full sift cycles
Reliable with occasional minor residue
Odor Control
Sealed drawer + N50 2.0 carbon filter
Good containment with sealed drawer
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
Full app with safety sensors, good reliability
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
Large drawer, suitable for 2-3 cats
Ease Of Maintenance
Drawer empties easily; accessible design
Straightforward drawer emptying and setup
Noise
Moderate rake cycle noise
Quiet hum, cat-friendly operation
Value
$299.99 (23% off list); premium mid-range
Strong performance at mid-range price
Verdict
Best app-enabled automatic litter box for multi-cat homes
Smart multi-cat auto box with good value
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