iRobot Roomba Max 705 Combo vs Roborock Saros 20 Sonic

The Roborock Saros 20 Sonic wins overall with stronger suction, a larger water tank and a longer battery life. The iRobot Roomba Max 705 Combo wins only on price and carries known reliability complaints from owners.

Reliability. Owners of the Roomba Max 705 Combo frequently report false errors, leaking docks and streaky mopping, while the Roborock Saros 20 Sonic combines stronger suction and a larger water tank without that same pattern of complaints.

Yes, its AutoWash dock self-empties, heat-washes and dries the extending roller mop and dispenses detergent automatically, though several owners report the dock leaking or failing within weeks.

Yes. It combines strong suction with a sonic-vibrating mop, and its dock automatically washes and dries the mop pads to reduce manual maintenance.

Buyers who want strong suction, ample mopping capacity and dependable performance should choose the Roborock Saros 20 Sonic.

Consider the iRobot Roomba Max 705 Combo only if you are committed to Apple HomeKit or the iRobot ecosystem, want the more affordable price, and are prepared to accept some reliability risk.