iRobot Roomba j9+ vs iRobot Roomba j7+
Quick take: The iRobot Roomba j7+ costs $200 less.
| Spec | iRobot Roomba j9+ | iRobot Roomba j7+ |
|---|---|---|
| Price | $800 | $600 |
| Rating | 4.3★ (2,400) | 4.3★ (8,500) |
| Type | Robot Vacuum | Robot Vacuum |
| Suction | Not disclosed | Not disclosed |
| Battery | 120 min | 120 min |
| Navigation | Camera | Camera |
| Noise | 65 dB | 65 dB |
| Dustbin | 400 ml | 400 ml |
| Water tank | — | — |
| Self-empty dock | Yes | Yes |
| Auto mop washing | No | No |
| Hot water washing | No | No |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | No | No |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.3 x 13.3 x 3.4 in | 13.3 x 13.3 x 3.4 in |
| Weight | 8.3 lbs | 7.5 lbs |
| Warranty | 1 year | 1 year |
Pros & cons
iRobot Roomba j9+
- ✓Exceptional carpet cleaning — dual rubber extractors are best-in-class for pet hair
- ✓P.O.O.P. guarantee replaces the robot if it runs over pet waste
- ✓Excellent smart home integration with Alexa, Google Home, and Siri
- ✓iRobot OS learns your cleaning habits and suggests schedules
- ✓Clean Base auto-empty system is reliable and relatively compact
- ✗No mop function at this price feels like a miss compared to competitors
- ✗Camera navigation is slower and less efficient than LiDAR
- ✗120-minute battery limits coverage to about 1500 sq ft per run
- ✗iRobot subscription pushes premium features behind a paywall
iRobot Roomba j7+
- ✓PrecisionVision navigation reliably avoids pet waste, cables, and shoes
- ✓P.O.O.P. guarantee provides peace of mind for pet owners
- ✓8500+ reviews and years of proven reliability
- ✓Excellent carpet cleaning with dual rubber extractors
- ✓Compact Clean Base blends into home decor
- ✗Camera navigation needs ambient light — poor in dark rooms
- ✗No mop function at $600 feels outdated in 2025+
- ✗120-minute battery limits to smaller and medium homes
- ✗Suction specs aren't disclosed — feels weaker than LiDAR competitors

