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
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Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#39
Cleaning Effectiveness
Rake-based, full sift cycles
Infrared rake with auto-sift; non-stick Teflon liner
Odor Control
Sealed drawer + N50 2.0 carbon filter
Sealed 6.5L drawer with Pull & Wrap system
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
4 infrared sensors; app tracks usage & status
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
5.8L + 6.5L drawer; suitable for 2–3 cats
Ease Of Maintenance
Drawer empties easily; accessible design
Removable/washable liner; pull-and-wrap emptying
Noise
Moderate rake cycle noise
Not publicly documented; rake mechanism likely moderate
Value
$299.99 (23% off list); premium mid-range
$159 entry-level app-enabled automatic box
Verdict
Best app-enabled automatic litter box for multi-cat homes
Affordable app-enabled automatic litter box for busy households
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