Spec-by-spec
Head to head
Contenders from Self-Cleaning Litter Boxes, every metric lined up. The winning value in each row is outlined.
PETKIT PuraMax 2 Automatic Self-Cleaning Litter Box with App Control #3 in Self-Cleaning Litter Boxes 
DuckSky 2026 Multi-Function Automatic Litter Box (Large-Capacity, App Control) #37 in Self-Cleaning Litter Boxes Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#37
Cleaning Effectiveness
Rake-based, full sift cycles
Unknown mechanism; estimated average
Odor Control
Sealed drawer + N50 2.0 carbon filter
Separate module + ozone; no long-term field data
App & Safety Sensors
Full app tracking + 11 sensors, anti-pinch
App control + weight/frequency sensors; anti-pinch unclear
Waste-Drawer Capacity
76L interior, 7L waste bin, 15-day hold
74L total capacity; excellent for 2–3 cats
Ease Of Maintenance
Drawer empties easily; accessible design
Removable components, separate module empties; no user reports
Noise
Moderate rake cycle noise
Not specified; unverified
Value
$299.99 (23% off list); premium mid-range
$179.98 (28% off $249.99); large capacity, unknown reliability
Verdict
Best app-enabled automatic litter box for multi-cat homes
Large-capacity automatic box, unproven brand
Affiliate link — we may earn a commission