Stop scooping cat litter, neutralize odors, and give your cat a clean litter bed every time with Litter-Robot 4, the highest-rated automatic litter box on the market. Elegantly designed to maximize comfort for kittens and large cats alike, Litter-Robot 4 features cutting-edge litter-sifting technology that separates your cat’s waste from the clean litter after each use. Reduce litter tracking, and monitor litter and waste levels in real-time with the Whisker app. Stay on top of your cat’s health with smart insights about your cat’s weight and litter usage.

• Never scoop again
• Drastically reduce litter box odors
• Monitor litter box usage and track weight in app
• Best litter box for multiple cats: one supports up to 4 cats
• Includes a fence, step, and carbon filter
• Add a Carpet Tray to use Litter-Robot 4 on any surface

Never scoop again

Litter-Robot’s patented sifting process quietly separates cat's waste from the clean litter, ensuring a fresh bed of litter for every use.

Maximum odor control

The optional OdorTrap System neutralizes litter box odors with its improved waste drawer sealing and carbon filter. Add OdorTrap Packs to the integrated holder for enhanced odor control.

Self-cleaning

Sifts out waste after every use so you never have to scoop again.

Pet monitoring

Track your cat’s weight with SmartScale, follow their bathroom usage and get waste level alerts.

Odor control

Clumps automatically fall into a tightly-sealed drawer, keeping odors at bay.

Multi-cat friendly

One Litter-Robot is suitable for up to four cats–removing the need for multiple boxes.

Litter-Robot 4 is the best litter box for multiple-cat households, featuring a wide opening to maximize cat comfort and providing a clean litter box for up to 4 cats of any breed or size.

Convenient refills

The LitterHopper (available as an add-on purchase) automatically dispenses fresh cat litter into Litter-Robot 4, ensuring litter is at the optimal level for your cat’s use. Say goodbye to another litter box chore!

Save time and money

Get time back every day by not scooping and using up to 50% less cat litter.

Quiet cleaning

QuietSift self-cleaning cycles benefit skittish cats (and won’t wake you up at night).

Intuitive design

The control panel features 5 buttons and an LED display for easy operation.

Compact size

Same footprint as a traditional large litter pan. No need to make space or elaborate installation plans.

Smooth transition

Many cats acclimate within a week. If only they could talk, they’d tell you how great it is.

Easy setup

Use any clumping cat litter and regular trash bag. Or dream big—add some of our custom accessories.