A cheaper way into Narwal’s self-rinsing track mop for hard-floor homes with low furniture. The Freo 20 adds hot-water washing and camera avoidance.
Narwal $699.99The Narwal Freo 20 Edge is the better robot vacuum overall, rated 4.2 to 3.6. The Narwal Freo 20 Edge leads on mopping.
Prices were last checked November 11, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
For buyers who can plumb in the dock and want a hands-off mopping robot that never needs its water tanks touched.
Amazon $699.99Which should you buy?
- Choose the Narwal Freo 20 Edge for mopping (Roller, extends to edges vs Vibrating pad, lifts 20 mm, extends to edges).
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 Freo 20 Edge | Roborock S8 Max Ultra |
|---|---|---|
| Overall rating | 4.2/5 | 3.6/5 |
| Cleaning 30% | 73 not yet tested; estimated from 4 tested Narwal robots and the median of the 80 tested robots | 18 measured 72% of sand from carpet, 75% of pet hair, some hair tangled (0.6) |
| Value 25% | 58 $700 | 58 $700 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-air mop drying | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 15% | 85 LiDAR + 3D light | 85 LiDAR + 3D light |
| Mopping 10% | 85 Roller, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Independent tests
Narwal Freo 20 Edge
No independent test published yet.
Roborock S8 Max Ultra
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 72% | 75% | 0.6 | 1,006 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Narwal Freo 20 Edge | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 31,000 Pa | 8,000 Pa |
| Main brush | Cyclone zero-tangling roller brush | DuoRoller Riser dual rubber brushes |
| Extending side brush | - | Yes |
| Mopping | ||
| Mop | Roller, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | - | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | - | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | - | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | 3D structured light at the front and side | 3D structured light (Reactive 3D) |
| Climbs thresholds | 20 mm | - |
| Voice assistants | - | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.7 in (95 mm) | 3.8 in (97 mm) |
| Retracting LiDAR | No | No |
| Battery | 4,900 mAh | 5,200 mAh |
| Warranty | 1 year | - |
| Released | 2026-09 | 2024-04 |
