Dreame D30 Ultra CE vs iRobot Roomba Combo 10 Max robot + AutoWash dock

The Dreame D30 Ultra CE wins by a wide margin, with a much higher owner rating, longer battery life and a longer warranty than the iRobot Roomba Combo 10 Max robot + AutoWash dock.

Its own review data shows a low average rating, with owners describing jobs that stop partway and navigation issues, since it uses a camera rather than LiDAR and needs the lights on.

LiDAR, which maps accurately regardless of lighting. The iRobot Roomba Combo 10 Max robot + AutoWash dock uses a camera-based system that struggles in the dark.

The Dreame D30 Ultra CE, at three years against one year for the iRobot Roomba Combo 10 Max robot + AutoWash dock.

Buyers who specifically need Apple HomeKit or Samsung SmartThings and are willing to accept a lower average owner rating for it.

Buyers who want reliable LiDAR navigation, a longer warranty and a track record of happier owners.