Ecovacs DEEBOT T30S Combo Robot Vacuum vs iRobot Roomba Combo J9+ Robot Vacuum & Mop (2026)

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

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

Ecovacs DEEBOT T30S Combo Robot Vacuum

9.0/10 Excellent

4.3★ (3,600 owners)

11,000 Pa, OZMO Pro mopping, ZeroTangle brush, auto-empty + wash, 3D obstacle. Highest suction robot.

Full Review

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

At a Glance

	Ecovacs DEEBOT T30S Combo Robot Vacuum	iRobot Roomba Combo J9+ Robot Vacuum & Mop
247Verdict Score	9.0/10	9.1/10
Owner Rating	4.3★ (3,600)	4.3★ (2,400)
Verdict	Excellent	Excellent
Mop	OZMO Pro (oscillating)	Retractable (lifts on carpet)
Navigation	LiDAR	PrecisionVision (80 objects)

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Ecovacs DEEBOT T30S Combo Robot Vacuum: 11,000 Pa, OZMO Pro mopping, ZeroTangle brush, auto-empty + wash, 3D obstacle. Highest suction robot. iRobot Roomba Combo J9+ Robot Vacuum & Mop: Auto-empty, retractable mop lifts on carpet, PrecisionVision, 75-day empty. iRobot's flagship. Choose based on your specific needs. Check the current price on SwitchBot →

Pros & Cons Side by Side

Ecovacs DEEBOT T30S Combo Robot Vacuum

11,000 Pa suction — among the highest of any robot vacuum reviewed for deep carpet cleaning
OZMO Pro oscillating mop delivers scrubbing action rather than drag — cleaner hard floors
ZeroTangle brush specifically resists hair tangle — relevant for pet and hair households
Auto-empty, mop wash and refill station handles all maintenance automatically
3D obstacle avoidance with TrueDetect identifies over 30 object types

11,000 Pa is louder than lower-power alternatives at maximum suction
Ecovacs brand less established in UK than iRobot or Roborock for customer service confidence
Station footprint is large — requires dedicated floor space beside charging area

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

FAQ

Which is better, Ecovacs DEEBOT T30S Combo or iRobot Roomba Combo J9+?

Is the Ecovacs DEEBOT T30S Combo worth the extra cost?

The iRobot Roomba Combo J9+ Robot Vacuum & Mop matches or exceeds it at a potentially lower price point.

Who is the Ecovacs DEEBOT T30S Combo best suited to?

11,000 Pa, OZMO Pro mopping, ZeroTangle brush, auto-empty + wash, 3D obstacle. Highest suction robot.

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

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

What are the main downsides of each?

Ecovacs DEEBOT T30S Combo Robot Vacuum: 11,000 Pa is louder than lower-power alternatives at maximum suction; Ecovacs brand less established in UK than iRobot or Roborock for customer service confidence. 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.

Do owner ratings agree with our verdict?

Largely, yes — Ecovacs DEEBOT T30S Combo Robot Vacuum sits at 4.3★ from 3,600 verified Amazon owners, and iRobot Roomba Combo J9+ Robot Vacuum & Mop at 4.3★ from 2,400.

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