iRobot Roomba Combo j9+ vs Roborock Q Revo

A detailed side-by-side comparison scored on 14 objective criteria with weighted scoring (max 12 points).

iRobot Roomba Combo j9+

iRobot — #25 overall

6.7/10

$999

WINNER

Roborock — #24 overall

7.3/10

$699

Roborock Q Revo edges out iRobot Roomba Combo j9+ with a 0.6 point advantage.

Criteria	Weight	iRobot Roomba Combo j9+	Roborock Q Revo
Total Score	—	6.7/10	7.3/10
🗺️Navigation & Obstacle Tech	2x	85%*	80%
💨Suction Power	1x	82%*	78%
📐Edge Cleaning	1x	75%	78%*
💇Tangle-Free Rollers	1x	85%*	80%
🧹Mop System	1x	65%	82%*
🔥Mop Drying	0.5x	0%	82%*
🧴Integrated Soap	0.5x	0%	75%*
🔄Mop Versatility	0.5x	25%	40%*
🗑️Auto-Empty Reliability	1x	88%*	82%
📦Bin Capacity	0.5x	78%	78%
⏱️Refill Frequency	0.5x	75%	80%*
🧗Obstacle Mobility	1x	35%	35%
📏Low Clearance	0.5x	60%*	45%
📱App Quality	1x	82%	85%*
Price	—	$999	$699
Pros		+Trusted iRobot brand +Retractable mop lifts fully +Strong obstacle avoidance +Self-emptying base	+Full dock at mid-range price +Dual spinning mops +Auto wash and dry +Self-emptying
Cons		-Mop is basic (no wash/dry) -Expensive for features -No hot air drying	-Lower suction than flagships -No AI obstacle avoidance -Basic LiDAR navigation
Suction		4,000 Pa	5,500 Pa
Navigation		Camera + AI Avoidance	LiDAR
Mop Type		Pad	Rotating + Auto-Wash
Self-Empty		Yes (60 days)	Yes (45 days)
Runtime		120 min	180 min
Mobility
Obstacle Climbing		Standard	Standard
Retractable LiDAR		No	No
Adaptive Chassis		No	No
Multi-Mop Switch		No	No
		Check Price Full Review	Check Price Full Review