iRobot Roomba 505X vs iRobot Roomba Plus 505

They are functionally the same robot vacuum on paper: identical battery life, suction, navigation, mopping automation and smart home integrations. The iRobot Roomba Plus 505 gets the nod here only because it is typically the more affordable of the two.

Price is essentially the only difference. Every measured spec, battery life, suction, navigation type, obstacle and cliff detection, mapping, no-go zones, mopping automation and integrations, comes back identical between the two models.

Yes. Both the iRobot Roomba 505X and the iRobot Roomba Plus 505 use a self-emptying dock that also washes the mop pads with hot water and dries them, with no manual maintenance required between runs on either model.

Yes, exactly the same six: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant and Matter. Neither model has an edge in ecosystem support over the other.

Anyone who finds it priced the same or lower than the iRobot Roomba Plus 505 at the time of purchase, since the two deliver the same cleaning performance and automation.

Buyers who want the exact same feature set as the iRobot Roomba 505X for typically less money, since there is no capability trade-off between the two.