iRobot Roomba Max 705 Combo vs iRobot Roomba Plus 505

The iRobot Roomba Plus 505 is the better all-round pick. It is the better reviewed of the two, runs longer on a charge and keeps the same self-washing dock, while the iRobot Roomba Max 705 Combo only wins on suction and the self-dispensing roller mop.

Suction against runtime, plus how the mop works. The iRobot Roomba Max 705 Combo is rated at 13,000 Pa with a self-washing roller and automatic detergent, while the iRobot Roomba Plus 505 is rated at 7,000 Pa, uses spinning pads and runs longer at up to 180 minutes.

The iRobot Roomba Max 705 Combo, at 13,000 Pa against 7,000 Pa on the iRobot Roomba Plus 505. If deep carpet cleaning leads your list, that is the model to pick.

Yes. Its AutoWash dock dispenses cleaning solution and washes the roller with heated water. The iRobot Roomba Plus 505 has no automatic detergent dispenser, so solution is added by hand.

Buyers who want a reliable, better reviewed vacuum and mop combo with the longest runtime and a self-washing dock, and who do not need the highest suction or automatic detergent.

Anyone who needs the most suction on carpet and the richer dock with automatic detergent and a heat-washed roller, and who can accept the reliability complaints that follow it.