iRobot Roomba Combo j9+ vs Roborock Q5 Pro+

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

WINNER

iRobot Roomba Combo j9+

iRobot — #25 overall

6.7/10

$999

Roborock — #29 overall

5.9/10

$499

iRobot Roomba Combo j9+ edges out Roborock Q5 Pro+ with a 0.8 point advantage. However, Roborock Q5 Pro+ has 50% cheaper.

Criteria	Weight	iRobot Roomba Combo j9+	Roborock Q5 Pro+
Total Score	—	6.7/10	5.9/10
🗺️Navigation & Obstacle Tech	2x	85%*	82%
💨Suction Power	1x	82%*	80%
📐Edge Cleaning	1x	75%	78%*
💇Tangle-Free Rollers	1x	85%*	78%
🧹Mop System	1x	65%*	0%
🔥Mop Drying	0.5x	0%	0%
🧴Integrated Soap	0.5x	0%	0%
🔄Mop Versatility	0.5x	25%*	0%
🗑️Auto-Empty Reliability	1x	88%*	82%
📦Bin Capacity	0.5x	78%*	75%
⏱️Refill Frequency	0.5x	75%	78%*
🧗Obstacle Mobility	1x	35%	35%
📏Low Clearance	0.5x	60%*	45%
📱App Quality	1x	82%	88%*
Price	—	$999	$499
Pros		+Trusted iRobot brand +Retractable mop lifts fully +Strong obstacle avoidance +Self-emptying base	+Roborock LiDAR at budget price +Self-emptying base +Excellent app +5500 Pa suction
Cons		-Mop is basic (no wash/dry) -Expensive for features -No hot air drying	-No mopping -Basic dock (just empties) -No obstacle avoidance camera
Suction		4,000 Pa	5,500 Pa
Navigation		Camera + AI Avoidance	LiDAR
Mop Type		Pad	None
Self-Empty		Yes (60 days)	Yes (60 days)
Runtime		120 min	240 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