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iRobot Roomba Combo j9+ vs Roborock Qrevo Edge
The Roborock Qrevo Edge wins with a score of 8.3/10. Best for: Pet households, multi-level homes with high thresholds, and buyers who want Qrevo Curv features at a lower price.
iRobot Roomba Combo j9+
The premium Roomba with the best pet-waste avoidance in the industry, but its basic wipe-only mopping falls short of Roborock and Dreame flagships.
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Roborock Qrevo Edge
A near-flagship Roborock that nails pet hair and hot-water mop washing, but obstacle avoidance still trails the best.
Read full reviewScore Comparison
Specifications
| iRobot Roomba Combo j9+ | Spec | Roborock Qrevo Edge |
|---|---|---|
| $899 | Price | $1000 |
| 5500 | Suction (Pa) | 18500 |
| 4460 | Battery (mAh) | 6400 |
| 67.0 | Noise (dB) | 55.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| vSLAM Camera | Navigation | PreciSense LiDAR + structured light + RGB camera |
| ✅ | Self-Empty | ❌ |
| ❌ | Self-Wash Mop | ❌ |
| ❌ | Self-Dry Mop | ❌ |
| ✅ | AI Obstacle | ❌ |
Pros & Cons
iRobot Roomba Combo j9+
Roborock Qrevo Edge
- + 18,500Pa suction with 0% hair tangling on DuoDivide brush
- + FlexiArm extending side brush reaches room edges and corners
- + Dock 3.0 with 167°F hot water mop washing and warm air drying
- + AdaptLift chassis clears thresholds up to 40mm
- + Excellent battery efficiency (1,677 sqft per charge)
- − Obstacle avoidance only 66% success rate (misses cables and power strips)
- − Mopping misses about 1 inch along skirting boards
- − Struggles with wet spills — can spread them
- − No auto detergent dispensing
- − Carpet pet hair pickup 80% — slightly below Qrevo Curv
The Verdict
The Roborock Qrevo Edge is the better choice with an overall score of 8.3/10 — best for pet households, multi-level homes with high thresholds, and buyers who want qrevo curv features at a lower price. The iRobot Roomba Combo j9+ is more affordable at $899 vs $1000.