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
#47
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Reliable raking, occasional minor residue
Odor Control
Sealed drawer with carbon filter, excellent containment
Sealed drawer design, moderate containment
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
Full app + health tracking, 360 sensors
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
60L drawer handles 3+ cats well
Ease Of Maintenance
Straightforward liner and drawer emptying
Straightforward drawer emptying
Noise
Moderate audible hum during cycle
Quiet operation, below category average
Value
Premium pricing for category-leading performance
Mid-tier price with multi-cat capacity
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Affordable alternative for multi-cat automatic cleaning
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