Get your LitterRobot 4 and save 50$ today! https://rb.gy/xzj7m The new LitterRobot 4 brings cool upgrades, not only a more compact and sleek design but also core features, such as new QuietSift™ technology that makes it much quieter, broader cat suitability, cat litter indicator, and a more efficient selfclean capacity and safety.
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 ...  
Article comparison LR4 vs LR3 https://www.catfooddispensersreviews....
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.