Dreame D30 Ultra CE vs iRobot Roomba Plus 505

Suction is not close in this pairing: the Dreame D30 Ultra CE pulls far more than the iRobot Roomba Plus 505, and it also typically costs less, runs longer per charge, and carries a three-year warranty against one year. The iRobot Roomba Plus 505 answers with broader integrations, reaching Apple HomeKit, Samsung SmartThings and Matter alongside Google Home and Alexa, plus 5GHz Wi-Fi that the Dreame D30 Ultra CE lacks. Both robots use LiDAR mapping with a self-emptying dock that washes and dries the mop pads automatically. For buyers who want real cleaning power and a longer warranty at a lower price, the Dreame D30 Ultra CE wins; those who need Apple Home or SmartThings compatibility should consider the iRobot Roomba Plus 505 despite its weaker suction.