Best Robot Vacuums is reader-supported. When you buy through links on our site, we may earn a commission. Details.
We may earn a commission when you buy through links on this page. Learn more.
iRobot Roomba Plus 405 Combo vs Narwal Flow 2 Ultra
The Narwal Flow 2 Ultra wins with a score of 9.1/10. Best for: Hard floor homes that prioritize mopping quality.
iRobot Roomba Plus 405 Combo
7.4/10$400
A solid mid-tier Roomba that finally brings LiDAR navigation and a self-washing dock under $500. But weak deep-carpet performance and zero obstacle avoidance make it hard to recommend over the Roborock Q Revo or Dreame L40 Ultra at the same price.
Read full review Winner
Narwal Flow 2 Ultra
9.1/10$1499
The undisputed mopping champion — best FlowWash system with 140°F heated water
Read full reviewScore Comparison
iRobot Roomba Plus 405 ComboNarwal Flow 2 Ultra
Overall
7.49.1
Hard Floor
8.49.5
Carpet
6.58.0
Mopping
7.59.8
Navigation
8.08.8
Noise
7.58.5
Smart Features
7.08.0
Maintenance
8.59.5
Specifications
| iRobot Roomba Plus 405 Combo | Spec | Narwal Flow 2 Ultra |
|---|---|---|
| $400 | Price | $1499 |
| — | Suction (Pa) | 30000 |
| 5000 | Battery (mAh) | 7000 |
| 65.0 | Noise (dB) | — |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR | Navigation | LiDAR + AI Camera |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ✅ |
| ✅ | Self-Dry Mop | ✅ |
| ❌ | AI Obstacle | ✅ |
The Verdict
The Narwal Flow 2 Ultra is the better choice with an overall score of 9.1/10 — best for hard floor homes that prioritize mopping quality. The iRobot Roomba Plus 405 Combo is more affordable at $400 vs $1499.