iRobot Roomba Combo j9+ vs iRobot Roomba i5+

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

iRobot — #34 overall

5.2/10

$349

iRobot Roomba Combo j9+ is the clear winner, outscoring iRobot Roomba i5+ by 1.5 points. However, iRobot Roomba i5+ has 65% cheaper.

Criteria	Weight	iRobot Roomba Combo j9+	iRobot Roomba i5+
Total Score	—	6.7/10	5.2/10
🗺️Navigation & Obstacle Tech	2x	85%*	60%
💨Suction Power	1x	82%*	75%
📐Edge Cleaning	1x	75%*	70%
💇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%*	80%
📦Bin Capacity	0.5x	78%*	72%
⏱️Refill Frequency	0.5x	75%	75%
🧗Obstacle Mobility	1x	35%*	30%
📏Low Clearance	0.5x	60%*	55%
📱App Quality	1x	82%*	70%
Price	—	$999	$349
Pros		+Trusted iRobot brand +Retractable mop lifts fully +Strong obstacle avoidance +Self-emptying base	+Affordable Roomba +Self-emptying base +iRobot reliability +Good for simple layouts
Cons		-Mop is basic (no wash/dry) -Expensive for features -No hot air drying	-No smart mapping -Basic navigation -No mopping
Suction		4,000 Pa	2,000 Pa
Navigation		Camera + AI Avoidance	Basic
Mop Type		Pad	None
Self-Empty		Yes (60 days)	Yes (60 days)
Runtime		120 min	75 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