Spec-by-spec
Head to head
Contenders from Self-Cleaning Litter Boxes, every metric lined up. The winning value in each row is outlined.
Litter-Robot 4 Self-Cleaning Litter Box with App & Multi-Cat Support #1 in Self-Cleaning Litter Boxes 
Price
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Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#1
#46
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Automatic raking, clumping-litter compatible
Odor Control
Sealed drawer with carbon filter, excellent containment
Sealed drawer + fragrance cartridge
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
WiFi app with usage tracking; dual sensors
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
90L + 8.6L drawer, multi-cat rated
Ease Of Maintenance
Straightforward liner and drawer emptying
Removable waste bin, standard setup
Noise
Moderate audible hum during cycle
Ultra-quiet operation
Value
Premium pricing for category-leading performance
$169.99 for feature set
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Affordable multi-cat auto box with app control
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