Here's my cat Sophie doing her business in the new LitterRobot 4. As you can see, it works pretty much like the LitterRobot 3, but much quieter. Get your LitterRobot 4 and apply 50$ OFF today https://rb.gy/xzj7m
Unpacking & Review    • My Litter Robot 4 Review | Unpacking,...  
Explore the Whisker App for the LitterRobot 4    • Exploring The Whisker App For The Lit...  
Full review article https://www.catfooddispensersreviews....
Comparison LitterRobot 3 vs new LitterRobot 4    • The Litter Robot 4 vs Litter Robot 3 ...  
App features LitterRobot 4 vs Connect    • New App Features of Litter Robot 4 In...  

Disclaimer: I was provided with a free sample as a Beta user in exchange for an honest and detailed review.