iRobot Roomba j9+ vs Roborock Qrevo S

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 — #16 overall

7.8/10

$999

Roborock Qrevo S is the clear winner, outscoring iRobot Roomba j9+ by 1.7 points. However, iRobot Roomba j9+ has 40% cheaper.

Criteria	Weight	iRobot Roomba j9+	Roborock Qrevo S
Total Score	—	6.1/10	7.8/10
🗺️Navigation & Obstacle Tech	2x	85%	85%
💨Suction Power	1x	85%*	82%
📐Edge Cleaning	1x	75%	90%*
💇Tangle-Free Rollers	1x	85%*	82%
🧹Mop System	1x	0%	85%*
🔥Mop Drying	0.5x	0%	85%*
🧴Integrated Soap	0.5x	0%	80%*
🔄Mop Versatility	0.5x	0%	50%*
🗑️Auto-Empty Reliability	1x	88%*	85%
📦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%	88%*
Price	—	$599	$999
Pros		+Trusted iRobot brand +Excellent camera-based avoidance +Strong pet hair pickup +Easy rubber brush maintenance	+FlexiArm reaches tight spaces +Full dock automation +Dual spinning mops +7,000 Pa suction
Cons		-No mopping capability -Slightly weaker in corners -Less cutting-edge than competitors	-No AI obstacle avoidance -Less suction than flagships -Newer model, less proven
Suction		4,000 Pa	7,000 Pa
Navigation		Camera + AI Avoidance	LiDAR
Mop Type		None	Rotating + Auto-Wash
Self-Empty		Yes (60 days)	Yes (50 days)
Runtime		120 min	180 min
Mobility
Obstacle Climbing		Standard	Standard
Retractable LiDAR		No	No
Adaptive Chassis		No	No
Multi-Mop Switch		No	No
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