Roborock Q Revo MaxV vs iRobot Roomba Combo j9+
Quick take: The Roborock Q Revo MaxV runs longer per charge (180 vs 120 min).
| Spec | Roborock Q Revo MaxV | iRobot Roomba Combo j9+ |
|---|---|---|
| Price | $1,100 | $1,100 |
| Rating | 4.6★ (1,800) | 4.2★ (1,800) |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 7000 Pa | Not disclosed |
| Battery | 180 min | 120 min |
| Navigation | LiDAR + Camera | Camera |
| Noise | 67 dB | 65 dB |
| Dustbin | 350 ml | 400 ml |
| Water tank | 300 ml | 210 ml |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | No |
| Hot water washing | Yes | No |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.8 x 13.8 x 3.9 in | 13.3 x 13.3 x 3.4 in |
| Weight | 9.1 lbs | 8.9 lbs |
| Warranty | 1 year | 1 year |
Pros & cons
Roborock Q Revo MaxV
- ✓Excellent value with most S8 MaxV features at a lower price point
- ✓Dual spinning mop pads apply consistent pressure for better cleaning
- ✓Hot water washing dock keeps mops fresh between cleans
- ✓Strong 7000Pa suction handles pet hair and debris well
- ✓Reliable LiDAR + camera navigation rarely gets stuck
- ✗Suction is noticeably weaker than S8 MaxV on deep carpet
- ✗Single rubber + bristle brush tangles with long hair more easily
- ✗Mop lift height is lower than the S8 MaxV, occasionally dampens carpet edges
- ✗Dock still takes up considerable counter or closet space
iRobot Roomba Combo j9+
- ✓Innovative retractable mop fully lifts to the top of the robot over carpet
- ✓Same excellent carpet cleaning as the j9+ with dual rubber extractors
- ✓Smart mapping learns room types and adjusts cleaning behavior automatically
- ✓P.O.O.P. guarantee covers pet waste incidents
- ✓Quieter than most competitors at 65dB
- ✗No self-wash dock — you must manually clean the mop pad
- ✗Mopping performance is mediocre compared to dedicated mop robots
- ✗Camera navigation is slower than LiDAR and needs ambient light
- ✗Expensive at $1100 without a self-washing station included

