Narwal Freo S
A cheap self-emptying LiDAR robot for small homes that mostly want vacuuming. Light mopping is a bonus, not a reason to buy it.
Amazon $349.99$349.99
The Narwal Freo S and the Dreame D20 Pro Plus are evenly matched, rated 3.8 and 3.7. The Dreame D20 Pro Plus wins on value. The Dreame D20 Pro Plus costs $46.03 less ($303.96 vs $349.99).
Prices were last checked November 9, 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.
Dreame D20 Pro Plus
A long-running self-emptying vacuum with obstacle avoidance for carpet-heavy homes on a budget; get a washing dock if you mop a lot.
Amazon $303.96$303.96
Which should you buy?
- Choose the Dreame D20 Pro Plus for value ($304 vs $350).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every vacuum and mop robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Narwal Freo S | Dreame D20 Pro Plus |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Cleaning 30% | 73 not yet tested; estimated from 4 tested Narwal robots and the median of the 80 tested robots | 73 not yet tested; estimated from 13 tested Dreame robots and the median of the 80 tested robots |
| Value 25% | 65 $350 | 74 $304 |
| Dock 20% | 62 Self-empties the bin | 44 Self-empties the bin |
| Navigation 15% | 85 LiDAR + 3D light | 85 LiDAR + 3D light |
| Mopping 10% | 10 Static pad | 10 Static pad |
Specifications
| Narwal Freo S | Dreame D20 Pro Plus | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 8,000 Pa | 13,000 Pa |
| Main brush | - | HyperStream DuoBrush |
| Dustbin | 250 mL | 500 mL |
| Extending side brush | - | Yes |
| Mopping | ||
| Mop | Static pad | Static pad |
| Leaves mop at dock | No | No |
| Extending mop | No | No |
| Water tank | 300 mL | 350 mL |
| Dock | ||
| Dock | Self-empty | Self-empty |
| Self-empties | Yes | Yes |
| Dust bag | 3.5 L | 5 L |
| Washes mop | No | No |
| Hot-water wash | - | No |
| Hot-air drying | - | No |
| Detergent dosing | - | No |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | Forward structured light | Single-laser 3D structured light |
| Climbs thresholds | 20 mm | 20 mm |
| Voice assistants | Alexa, Google Assistant | Alexa, Siri, Google Home |
| Build | ||
| Height | 3.9 in (100 mm) | 3.8 in (96.5 mm) |
| Retracting LiDAR | No | No |
| Battery | 3,200 mAh | 5,200 mAh |
| Run time | - | Up to 4 h 45 min |
| Weight | 7.1 lb (3.2 kg) | 7.9 lb (3.6 kg) |
| Warranty | 1 year | 3 years |
| Released | 2025-08 | 2025-07 |