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 
Ellenpent Open-Top Automatic Self-Cleaning Litter Box with WiFi App #51 in Self-Cleaning Litter Boxes Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#51
Cleaning Effectiveness
Rake-based, full sift cycles
Automatic rake sifting with sealed waste compartment
Odor Control
Sealed drawer + N50 2.0 carbon filter
Sealed ABS drawer with deodorizer gel and cover
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
WiFi app with usage tracking, weight + infrared sensors
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
9L drawer suitable for 1-2 cats
Ease Of Maintenance
Drawer empties easily; accessible design
Fully assembled, easy drawer emptying, one-tap litter refresh
Noise
Moderate rake cycle noise
Not documented; typical rake systems are moderately loud
Value
$299.99 (23% off list); premium mid-range
$199.99 for mid-tier automatic box with app features
Verdict
Best app-enabled automatic litter box for multi-cat homes
Mid-range self-cleaner with app control and open-top comfort
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