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 
Greesum UltraSmart AutoClean Rake Litter Box (90L, App-Controlled) #45 in Self-Cleaning Litter Boxes Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#1
#45
Cleaning Effectiveness
Fully sifts waste, leaves litter clean
Reliable rake sifting
Odor Control
Sealed drawer with carbon filter, excellent containment
Sealed drawer, good containment
App & Safety Sensors
Full app with weight tracking and anti-pinch sensors
App control, basic sensors
Waste-Drawer Capacity
Large drawer, handles 2–3 cats well
90L capacity, 3+ cats
Ease Of Maintenance
Straightforward liner and drawer emptying
Standard drawer emptying
Noise
Moderate audible hum during cycle
Moderate operating noise
Value
Premium pricing for category-leading performance
$169.99 mid-range pricing
Verdict
The gold-standard self-cleaning litter box for multi-cat homes
Affordable multi-cat auto-scooper with app smarts—but unproven durability.
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