Which robot vacuum has a poop guarantee that no other brand offers?

The [Roomba j](https://www.amazon.com/s?k=Roomba+j&tag=wehavethat-20)7+ has a poop guarantee — its waste-avoidance feature is genuinely unique, as no other robot vacuum reliably detects and avoids pet accidents. For potty-training puppies or senior pets with occasional accidents, it’s a lifesaver that no other brand comes close to matching.