Narwal Flow
The first Narwal track-mop robot, still a good hard-floor mopper. The Flow 2 does more for similar money.
Amazon $1,249.99$1,249.99
The Narwal Flow and the Narwal Flow 2 are evenly matched, rated 3.9 and 3.9. The Narwal Flow leads on value. The Narwal Flow costs $250 less ($1,249.99 vs $1,499.99).
Narwal Flow 2
Narwal’s flagship for hard-floor homes that want the best self-cleaning track mop and a low profile. Carpet-heavy homes get more from the cheaper Freo 20.
Amazon $1,499.99$1,499.99
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Narwal Flow for value ($1,250 vs $1,500).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Narwal Flow | Narwal Flow 2 |
|---|---|---|
| Overall rating | 3.9/5 | 3.9/5 |
| Cleaning 30% | 65 measured 83% of sand from carpet, 88.5% of pet hair, no hair tangled | 68 measured 84% of sand from carpet, 88% of pet hair, no hair tangled |
| Value 25% | 22 $1,250 | 11 $1,500 |
| Dock 20% | 95 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, optional water hookup | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 15% | 100 LiDAR + camera | 100 LiDAR + camera |
| Mopping 10% | 92 Roller, lifts 12 mm, extends to edges | 92 Roller, lifts 12 mm, extends to edges |
Independent tests
Narwal Flow
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 83% | 88.5% | 0 | 1,399 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Narwal Flow 2
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 84% | 88% | 0 | 2,321 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Narwal Flow | Narwal Flow 2 | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 22,000 Pa | 31,000 Pa |
| Main brush | Single-side roller brush (DualFlow tangle-free system) | Anti-tangle roller brush |
| Extending side brush | No | - |
| Mopping | ||
| Mop | Roller, lifts 12 mm, extends to edges | Roller, lifts 12 mm, extends to edges |
| Mop lift | 12 mm | 12 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 130 mL | 130 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 2.5 L | 2.5 L |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | No | Yes |
| Water hookup option | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR + camera |
| Obstacle avoidance | Dual RGB cameras with AI, recognises 200+ object types; laser edge sensors | Dual RGB cameras with an AI chip and vision language model; structured-light edge sensors |
| Climbs thresholds | 30 mm | 30 mm |
| Matter | Yes | - |
| Voice assistants | Alexa, Google Assistant, Siri, Hey Nawa (built in) | Alexa, Google Assistant, Siri, Hey Nawa (built in) |
| Build | ||
| Height | 3.7 in (95 mm) | 3.7 in (95 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,900 mAh | 6,500 mAh |
| Weight | 11 lb (5 kg) | 11 lb (5 kg) |
| Warranty | 1 year | 1 year |
| Released | 2025-08 | 2026-04 |