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
#41
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Automatic rake, full waste removal
Odor Control
Sealed drawer with carbon filter, excellent containment
Built-in deodorizer with liner system
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
Full app control with anti-pinch sensors
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
Suitable for 2-3 cats with regular emptying
Ease Of Maintenance
Straightforward liner and drawer emptying
Liner system simplifies emptying; standard maintenance
Noise
Moderate audible hum during cycle
Rake cycling noise not prominently documented
Value
Premium pricing for category-leading performance
$299.99 with 25% discount; mid-range pricing
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Mid-range automatic rake box with app control and safety sensors
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