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Litter-Robot 4 Self-Cleaning Litter Box in use — AI-generated illustration
AI-generated illustration based on official product imagery.
Litter-Robot 4 Self-Cleaning Litter Box — product photo

Whisker★ 4.2

Litter-Robot 4 with Step & Fence Self-Cleaning Litter Box

$699.00Check Amazon for current price · as of Jul 21, 2026
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  • Automatically sifts and separates waste after each use
  • App tracks weight, usage, and waste-drawer level
  • Quieter, lower-profile redesign over the Litter-Robot 3

Specifications

MechanismRotating sifting globe
LitterClumping clay
ConnectivityWi-Fi 2.4GHz
AppWhisker app (iOS + Android)
CapacityLarge waste drawer; multi-cat
SensorsOmniSense weight + laser litter-level

Compare with similar self-cleaning litter boxes

FeatureLitter-Robot 4 with Step & Fence Self-Cleaning Litter Box product photoLitter-Robot 4 with Step & Fence Self-Cleaning Litter BoxCasa Leo Leo's Loo Too Self-Cleaning Litter Box (Leo Grey) product photoCasa Leo Leo's Loo Too Self-Cleaning Litter Box (Leo Grey)Neakasa M1 Plus Open-Top Self-Cleaning Cat Litter Box product photoNeakasa M1 Plus Open-Top Self-Cleaning Cat Litter BoxPETKIT PuraMax 2 Automatic Self-Cleaning Cat Litter Box product photoPETKIT PuraMax 2 Automatic Self-Cleaning Cat Litter Box
BrandWhiskerCasa LeoNeakasaPETKIT
Rating★ 4.2★ 4.0★ 4.0★ 4.3
Price$699.00as of Jul 21, 2026$599.00as of Jul 21, 2026$399.99as of Jul 20, 2026$329.99as of Jul 20, 2026
MechanismRotating sifting globeRotating sifting drumOpen-top automatic self-cleaning rake/rotation systemAutomatic self-cleaning cycle with auto, manual, timer, and empty modes
LitterClumping clayClumping (tofu, clay, or crystal)Clumping cat litterCompatible with clumping cat litter
ConnectivityWi-Fi 2.4GHzWi-Fi 2.4GHz2.4 GHz Wi-Fi2.4 GHz Wi-Fi
AppWhisker app (iOS + Android)iOS + AndroidNeakasa app for activity tracking and mode controlPETKIT app for toilet data, working status, and cleaning modes
CapacityLarge waste drawer; multi-catMulti-cat11.2 L waste bin; 7.2 L litter capacity76 L interior; 7 L waste bin
SensorsOmniSense weight + laser litter-level—Six-array rotary infrared safety detectionSeven infrared sensors and four weight sensors
Safety—Triple anti-pinch weight/IR sensors——
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* Snapshot price from the date shown — check Amazon for the current price and availability.