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Litter‑Robot 3 vs. Litter‑Robot 4
Litter-Robot is the leading self-cleaning litter box.
Discover which model is right for you and your cat.
![](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/hero.png)
Compare products
At-A-Glance
Fully automatic, self-cleaning
Cleans litter bed after every use
Works with up to 4 cats
Odor management
Litter trapping
Enclosed waste drawer
Modular EasyClean
components
Cat detection and safety with SafeCat
system
WiFi-connected smart mobile app
Bathroom usage and activity dashboard
Real-time notifications
Multi-cat recognition
QuietSift® cleaning cycles
Larger capacity, tightly-sealed waste drawer
Enhanced SafeCat with OmniSense®
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-omnisense.png)
Self-cleaning features
Eliminates the chore of scooping
Patented sifting technology
Automatic cleaning cycles
Uses less litter
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-less-litter.png)
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-less-litter.png)
Odor management features
Sifts within minutes after use
Included carbon filter
Optional OdorTrap® pack neutralizes odors
Enclosed waste drawer
Tightly-sealed, large capacity waste drawer
Optional integrated OdorTrap® holder system
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-odortrap-storage.png)
Multi-cat & cat safety features
Cleans litter bed after every use
Works for up to 4 cats with multi-cat design
Spacious for cats of all breeds & sizes
Weight-activated sensors
Anti-pinch
Advanced sensor technology and accuracy
Individual cat recognition
Thicker, more durable globe liner
Wide opening for easier entry and exit
![15.75 inches](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-lr4-opening.png)
![10.25 inches](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-lr3-opening.png)
Litter trapping features
Step catches tracked litter
Add a LitterTrap® Mat
Upgraded fence included
Enhanced litter-sifting technology limits dust
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-dust.png)
Mobile app features
Waste drawer full alerts
Usage activity, trends and history
Real-time status updates
Customize and schedule sleep mode
Clean cycle wait time from 3, 7, or 15 minutes
Extend clean cycle wait time to 25 or 30 minutes
Real-time litter and waste levels with OmniSense®
Tailor insight with Pet Profile
Cat weight with SmartScale®
Cat weight trends over time with SmartScale®
Automatic firmware updates
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-firmware-updates.png)
Easy cleaning features
Empty button dumps all litter for easy disposal
EasyClean for convenient deep cleaning
components for convenient deep cleaning
Simple disassembly and fast re-assembly
Easily removable globe
Easily removable waste drawer
Disposable waste drawer liners
Removable step mat
Simple wipe-down with Whisker Cleaner Wipes
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-wipe.png)
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-wipe.png)
Smart home features
Integration with Alexa (through IFTTT)
Integration with Google Home (through IFTTT)
Integration with iRobot (through IFTTT)
Connects to more than 100 smart home products
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-connections.png)
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-connections.png)
Customization features
8-hour sleep mode suspends cycling
Add a backup battery in case of power outages
Fence accessory reduces litter tracking
Ramp for gentle entry & exit
Camera Mount holds your pet camera
Waste Drawer Liner Holder stores extra liners
Custom bezel pattern or color
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/Colorbezels_color.png)
Additional features
Manual operation with on-unit display
Similar footprint to a large litter pan
Litter fill line
Operate in automatic mode with cats 5+ lbs.
Control Panel Lockout
Adjustable night light
Operates in automatic mode with cats 3+ lbs.
LED control panel and status indicator lights
![Yes](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/icons/icon-led-panel.png)
![](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/LR.png)
![](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/litterbox.png)
Litter-Robot 4
Ordinary litter box
Self-cleaning
Scooping by hand
Odor control
Smells like cat poop
One per 4 cats
One per cat
Pet monitoring
Constantly annoying
![](https://www.litter-robot.com/media/wysiwyg/Litter-Robot/cms/comparison/looping-colorchange.gif)