iRobot Roomba j9+ vs Roborock S8 MaxV Ultra
iRobot Roomba j9+
Worth-It Score: 75/100
WAIT
Roborock S8 MaxV Ultra scores well, but current pricing sits above our fair-price band. Wait for a price drop before pulling the trigger.
Verified
Confidence: 85%
Verdict: The Roborock S8 MaxV Ultra is the better buy for most homes — its autonomous dock handles vacuuming, mopping, washing, and drying without you touching anything for weeks.
How we scored it
Spec verificationOwner sentimentLive pricing (4h refresh)Editorial review
Our methodology
Winner: Roborock S8 MaxV Ultra
iRobot Roomba j9+: 7.3/10
Roborock S8 MaxV Ultra: 8/10
Spec-by-spec comparison
| iRobot Roomba j9+ | Roborock S8 MaxV Ultra | |
|---|---|---|
| Suction Power | ~2,200 Pa (100 AW) | 10,000 Pa |
| Mopping | None | Dual spinning pads, 6N pressure |
| Auto-Empty | Yes, ~60-day bag | Yes, auto-wash & dry mop too |
| Obstacle Avoidance | Precision Vision Navigation | ReactiveAI 2.0 dual camera |
| Navigation | Camera + structured light | Camera + structured light + LiDAR |
| HomeKit Support | Via Siri Shortcuts | No native support |
iRobot Roomba j9+
What works
- Best tangle-resistance for long hair and pet fur
- Simpler app most people configure in under 10 minutes
- Smaller dock footprint fits tighter spaces
What doesn't
- No mopping capability of any kind
- Expensive for a vacuum-only machine at $1,099
- Replacement Clean Base bags cost more than Roborock equivalents
Roborock S8 MaxV Ultra
What works
- 10,000 Pa suction leads the category on carpet fine debris
- Fully autonomous dock — washes, dries, refills mop water weekly
- Dual spinning mop pads with 6N pressure actually scrub dried spills
What doesn't
- Large dock footprint requires dedicated wall space
- App learning curve takes longer than iRobot's
- No native Apple HomeKit support
Bottom line
Our pick: Roborock S8 MaxV Ultra. It edges out the alternative on 10,000 pa suction leads the category on carpet fine debris. That said, iRobot Roomba j9+ still wins on best tangle-resistance for long hair and pet fur — consider it if that single trade matters most for your use.
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