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 
Litter-Robot 4 Automatic Self-Cleaning Litter Box with Bundle Accessories #5 in Self-Cleaning Litter Boxes Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#5
Cleaning Effectiveness
Rake-based, full sift cycles
Fully sifts waste, leaves litter clean
Odor Control
Sealed drawer + N50 2.0 carbon filter
Sealed globe + carbon filters, excellent containment
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
Full app with weight tracking, reliable anti-pinch sensors
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
Large drawer, handles 2-3 cats well
Ease Of Maintenance
Drawer empties easily; accessible design
Straightforward drawer emptying, liners simplify cleanup
Noise
Moderate rake cycle noise
Moderate cycle noise, tolerable for most homes
Value
$299.99 (23% off list); premium mid-range
Premium price; strong performance but high entry cost
Verdict
Best app-enabled automatic litter box for multi-cat homes
Best premium self-cleaning box for multi-cat homes
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