Q Revo MaxV vs Roomba Combo j9+
Head-to-head comparison of Roborock Q Revo MaxV and iRobot Roomba Combo j9+. Updated 2026.
Last updated: August 11, 2026
Overall Score
86.8/ 100
Q Revo MaxV
Roborock
90.3/ 100
Roomba Combo j9+
iRobot
Score Breakdown
88
Performance90
85
Reliability88
90
Ease of Use95
86
Intelligence92
88
Value82
82
Ecosystem95
88
Safety92
80
Design88
Specs Comparison
| Spec | Q Revo MaxV | Roomba Combo j9+ |
|---|---|---|
| Price | $899 | $799 |
| Noise Db | 66 | 65 |
| Dustbin Ml | 350 | 400 |
| Navigation | LiDAR + camera AI | PrecisionVision + iAdapt 3.0 |
| Smart Home | Alexa, Google | Alexa, Google, Matter |
| Suction Pa | 5500 | 5000 |
| Battery Min | 180 | 120 |
| Water Tank Ml | 350 | 300 |
Buyer Intelligence
| Metric | Q Revo MaxV | Roomba Combo j9+ |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $1,259 | $1,119 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |