iRobot Roomba j7+ vs iRobot Roomba Max 705 Vac
Quick take: The iRobot Roomba Max 705 Vac costs $251 less; the iRobot Roomba Max 705 Vac runs longer per charge (210 vs 120 min).
| Spec | iRobot Roomba j7+ | iRobot Roomba Max 705 Vac |
|---|---|---|
| Price | ~$750 | ~$499 |
| Type | Robot Vacuum | Robot Vacuum |
| Suction | Not disclosed | Not disclosed |
| Battery | 120 min | 210 min |
| Navigation | Camera | LiDAR |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 65 dB | 65 dB |
| Dustbin | 400 ml | 360 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 | 13.4 x 13.4 x 4.1 in |
| Weight | 7.5 lbs | 9.2 lbs |
| Warranty | 1 year | 1 year |
Pros & cons
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- ✗No mop function at $600 feels outdated in 2025+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
iRobot Roomba Max 705 Vac
- ✓Strongest Roomba yet — dual rubber extractors still set the bar for pet hair on carpet
- ✓LiDAR navigation finally works in the dark, unlike every camera-based j-series
- ✓Obstacle avoidance is reliable day or night per owner reports
- ✓210-minute runtime roughly doubles the old j-series
- ✓Simpler vacuum-only design avoids the Combo's failure-prone mop dock
- ✗Owner sentiment is lukewarm (about 56% positive) — fine dust on dark hard floors is a known miss
- ✗iRobot does not publish suction specs, making comparisons guesswork
- ✗New Roomba Home app is slow and less polished than Roborock's
- ✗iRobot's financial turmoil raises long-term support questions
- ✗No mop at all when similarly priced rivals include full wash docks