iRobot Roomba j9+ vs Roborock Qrevo MaxV

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

iRobot Roomba j9+

iRobot — #28 overall

6.1/10

$599

WINNER

Roborock — #13 overall

7.9/10

$1,299

Roborock Qrevo MaxV is the clear winner, outscoring iRobot Roomba j9+ by 1.8 points. However, iRobot Roomba j9+ has 54% cheaper.

Criteria	Weight	iRobot Roomba j9+	Roborock Qrevo MaxV
Total Score	—	6.1/10	7.9/10
🗺️Navigation & Obstacle Tech	2x	85%	90%*
💨Suction Power	1x	85%*	82%
📐Edge Cleaning	1x	75%	88%*
💇Tangle-Free Rollers	1x	85%	85%
🧹Mop System	1x	0%	85%*
🔥Mop Drying	0.5x	0%	85%*
🧴Integrated Soap	0.5x	0%	82%*
🔄Mop Versatility	0.5x	0%	50%*
🗑️Auto-Empty Reliability	1x	88%	88%
📦Bin Capacity	0.5x	80%	82%*
⏱️Refill Frequency	0.5x	85%	85%
🧗Obstacle Mobility	1x	35%	40%*
📏Low Clearance	0.5x	60%*	42%
📱App Quality	1x	82%	90%*
Price	—	$599	$1,299
Pros		+Trusted iRobot brand +Excellent camera-based avoidance +Strong pet hair pickup +Easy rubber brush maintenance	+ReactiveAI 2.0 obstacle avoidance +Full dock automation +Strong navigation +Good edge cleaning
Cons		-No mopping capability -Slightly weaker in corners -Less cutting-edge than competitors	-Less suction than S8 line -Large dock -Price close to flagships on sale
Suction		4,000 Pa	7,000 Pa
Navigation		Camera + AI Avoidance	LiDAR + Camera + AI Avoidance
Mop Type		None	Rotating + Auto-Wash
Self-Empty		Yes (60 days)	Yes (55 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