iRobot Roomba Combo J9+ Robot Vacuum & Mop vs iRobot Roomba i5+ Self-Emptying Robot Vacuum (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

iRobot Roomba Combo J9+ Robot Vacuum & Mop

9.1/10 Excellent

4.3★ (2,400 owners)

Auto-empty, retractable mop lifts on carpet, PrecisionVision, 75-day empty. iRobot's flagship.

Full Review

iRobot Roomba i5+ Self-Emptying Robot Vacuum

8.9/10 Great

4.4★ (12,400 owners)

Self-emptying, smart mapping, PrecisionVision navigation. iRobot's best-value auto-empty model.

Full Review

At a Glance

	iRobot Roomba Combo J9+ Robot Vacuum & Mop	iRobot Roomba i5+ Self-Emptying Robot Vacuum
247Verdict Score	9.1/10	8.9/10
Owner Rating	4.3★ (2,400)	4.4★ (12,400)
Verdict	Excellent	Great
Navigation	PrecisionVision (80 objects)	PrecisionVision
Warranty	1 year	1 year

Quick Verdict

Both are strong choices, but the iRobot Roomba Combo J9+ Robot Vacuum & Mop edges ahead with a 9.1/10 vs 8.9/10. Auto-empty, retractable mop lifts on carpet, PrecisionVision, 75-day empty. iRobot's flagship. That said, the iRobot Roomba i5+ Self-Emptying Robot Vacuum is worth considering if Self-emptying, smart mapping, PrecisionVision navigation. iRobot's best-value auto-empty model. Check the current price on SwitchBot →

Pros & Cons Side by Side

iRobot Roomba Combo J9+ Robot Vacuum & Mop

Retractable mop lifts when carpet detected — no soggy carpet from mop drag-over
75-day auto-empty capacity with the Clean Base station
PrecisionVision navigation recognises and avoids 80 types of objects including pet waste
Smart Maps remember room layouts for targeted room cleaning from app
iRobot's 20-year robot vacuum reliability heritage in their most complete device

£700+ is a significant investment for robot floor cleaning
Retractable mop mechanism adds mechanical complexity vs simpler alternatives
75-day empty requires Clean Base station — significant counter or floor space

iRobot Roomba i5+ Self-Emptying Robot Vacuum

Clean Base self-empties after each clean — up to 60 days before you empty the bag
PrecisionVision navigation maps the home in 3 runs and maintains the map permanently
Dirt Detect Series 2 focuses cleaning effort on high-traffic and dirtier areas
iRobot OS allows room-by-room scheduling and no-go zones via app
iRobot's 20+ year track record is the most proven in the robot vacuum category

No mopping capability — vacuum only
Lower suction (not stated in Pa) than Ecovacs and Roborock premium models
App-dependent for advanced features — basic operation works without app

FAQ

Which is better, iRobot Roomba Combo J9+ or iRobot Roomba i5+?

Is the iRobot Roomba Combo J9+ worth the extra cost?

Yes — iRobot Roomba Combo J9+ Robot Vacuum & Mop scores higher at 9.1/10 vs 8.9/10.

Who is the iRobot Roomba Combo J9+ best suited to?

Auto-empty, retractable mop lifts on carpet, PrecisionVision, 75-day empty. iRobot's flagship.

Who is the iRobot Roomba i5+ best suited to?

Self-emptying, smart mapping, PrecisionVision navigation. iRobot's best-value auto-empty model.

What are the main downsides of each?

iRobot Roomba Combo J9+ Robot Vacuum & Mop: £700+ is a significant investment for robot floor cleaning; Retractable mop mechanism adds mechanical complexity vs simpler alternatives. iRobot Roomba i5+ Self-Emptying Robot Vacuum: No mopping capability — vacuum only; Lower suction (not stated in Pa) than Ecovacs and Roborock premium models.

Do owner ratings agree with our verdict?

Largely, yes — iRobot Roomba Combo J9+ Robot Vacuum & Mop sits at 4.3★ from 2,400 verified Amazon owners, and iRobot Roomba i5+ Self-Emptying Robot Vacuum at 4.4★ from 12,400.

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