Based on your answers · today’s prices
This fits your home
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Side by side
| Narwal Freo S × | Dreame D20 Air Plus × | |
|---|---|---|
| Lowest price | $349Narwal (brand store) | $269Amazon.com |
| Score | not in our ranking | not in our ranking |
| Rank | – | – |
| Customer rating | ★ 3.4 · 141 reviews | ★ 4.2 · 3,644 reviews |
| Station | self-emptying station | self-emptying station |
| Mop type | flat or vibrating pad | flat or vibrating pad |
| Automatic mop detach | – | no |
| Dust bag lasts | up to 180 days | up to 120 days |
| Plumbing hookup | – | no |
| Anti-tangle brush | – | yes |
| Obstacle avoidance | – | none |
| Climbs thresholds up to | 0.8 in (20 mm) | 0.8 in (20 mm) |
| Climbing system for high thresholds | no | no |
| Robot height | 3.9 in (10 cm) | 3.7 in (9.5 cm) |
| Noise | 62 dB | – |
| On the market since | June 2025 | December 2025 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact.
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How we rank
We never average review scores. We look at where 5 test sources (RTINGS, TechRadar, Tom's Guide, Vacuum Wars, and Wirecutter) place a model in their top lists: the higher it stands there and the more sources pick it, the higher its score. The price is today’s lowest at 6 stores, shipping included, before sales tax. How our method works →
Where we check prices
We read prices every day at most stores, from their product feed or web store, and Amazon’s through price services such as Keepa. We check them for errors and keep them, so you can see what a price did over the last 90 days.
- Amazon.com · United States
- Dreame (brand store) · United States
- iRobot (brand store) · United States
- MOVA (brand store) · United States
- Narwal (brand store) · United States
- Roborock (brand store) · United States
Which product test sources we take into account
Our ranking is a consensus of the positions in tests from, among others:
How we combine those positions, and why we never average scores, is on the method page.