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
#52
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Automatic rake sifting
Odor Control
Sealed drawer with carbon filter, excellent containment
Open-top design, basic containment
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
App control + safety sensors
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
Designed for multiple cats, capacity unknown
Ease Of Maintenance
Straightforward liner and drawer emptying
Open-top design, drawer emptying details sparse
Noise
Moderate audible hum during cycle
Not publicly specified
Value
Premium pricing for category-leading performance
$229.99 mid-range pricing
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Budget-friendly automatic litter box with app connectivity
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