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The Narwal Flow 2 Ultra wins with a score of 9.1/10. Best for: Hard floor homes that prioritize mopping quality.

The undisputed mopping champion — best FlowWash system with 140°F heated water
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A vacuum-first budget bot with a 7-week auto-empty dock and excellent anti-tangle DuoRoller brush; the drag-pad mopping is basic and obstacle avoidance is weak.
Read full review| Narwal Flow 2 Ultra | Spec | Roborock Q5 Pro+ |
|---|---|---|
| $1499 | Price | $400 |
| 30000 | Suction (Pa) | 5500 |
| 7000 | Battery (mAh) | 5200 |
| — | Noise (dB) | 67.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + AI Camera | Navigation | PreciSense LiDAR |
| ✅ | Self-Empty | ✅ |
| ✅ | Self-Wash Mop | ❌ |
| ✅ | Self-Dry Mop | ❌ |
| ✅ | AI Obstacle | ❌ |
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 Roborock Q5 Pro+ is more affordable at $400 vs $1499.