Ecovacs Deebot T30S Robot Vacuum & Mop 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 Robot Vacuum & Mop

9.1/10 Excellent

4.4★ (2,800 owners)

11000Pa, rolling mop, edge-reaching arm, auto-empty + wash + dry station, AI obstacle. Max-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 Robot Vacuum & Mop	iRobot Roomba Combo J9+ Robot Vacuum & Mop
247Verdict Score	9.1/10	9.1/10
Owner Rating	4.4★ (2,800)	4.3★ (2,400)
Verdict	Excellent	Excellent
Mop	Rolling continuous water	Retractable (lifts on carpet)

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Ecovacs Deebot T30S Robot Vacuum & Mop: 11000Pa, rolling mop, edge-reaching arm, auto-empty + wash + dry station, AI obstacle. Max-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 Robot Vacuum & Mop

11000Pa suction — the highest of any robot vacuum reviewed, for deep carpet and pet hair
Rolling mop with continuous water delivery scrubs rather than drags a flat pad
Extending edge-reaching arm cleans the floor-wall junction other robots miss
Omni station auto-empties, washes the mop and dries it hands-free
AI obstacle avoidance navigates around objects precisely

Large omni station requires significant space
Premium pricing
Periodic station maintenance and water management needed

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 or iRobot Roomba Combo J9+?

Is the Ecovacs Deebot T30S 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 best suited to?

11000Pa, rolling mop, edge-reaching arm, auto-empty + wash + dry station, AI obstacle. Max-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 Robot Vacuum & Mop: Large omni station requires significant space; Premium pricing. 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 Robot Vacuum & Mop sits at 4.4★ from 2,800 verified Amazon owners, and iRobot Roomba Combo J9+ Robot Vacuum & Mop at 4.3★ from 2,400.

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