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 
Greesum UltraSmart AutoClean Rake Litter Box (90L, App-Controlled) #45 in Self-Cleaning Litter Boxes Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#45
Cleaning Effectiveness
Rake-based, full sift cycles
Reliable rake sifting
Odor Control
Sealed drawer + N50 2.0 carbon filter
Sealed drawer, good containment
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
App control, basic sensors
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
90L capacity, 3+ cats
Ease Of Maintenance
Drawer empties easily; accessible design
Standard drawer emptying
Noise
Moderate rake cycle noise
Moderate operating noise
Value
$299.99 (23% off list); premium mid-range
$169.99 mid-range pricing
Verdict
Best app-enabled automatic litter box for multi-cat homes
Affordable multi-cat auto-scooper with app smarts—but unproven durability.
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