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
#15
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Reliable raking, minor occasional scatter
Odor Control
Sealed drawer with carbon filter, excellent containment
Good sealed drawer containment
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
None; basic mechanical design
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
Suitable for 1–2 cats
Ease Of Maintenance
Straightforward liner and drawer emptying
Straightforward drawer emptying
Noise
Moderate audible hum during cycle
Moderate hum during cycles
Value
Premium pricing for category-leading performance
Good performance at mid-tier price
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Best value automatic raking litter box for budget-conscious households
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