# Roborock Qrevo Curv 2 Flow vs SwitchBot S20

As of Nov 4, 2026, the Roborock Qrevo Curv 2 Flow costs $800 and the SwitchBot S20 costs $800. Pick the Roborock Qrevo Curv 2 Flow for hard floor apartments. Pick the SwitchBot S20 for hard floor homes that want roller mopping on a budget.

Prices checked Nov 4, 2026. HTML version: https://robotsforthat.com/vs/roborock-qrevo-curv-2-flow-vs-switchbot-s20/

## Side by side

| | Roborock Qrevo Curv 2 Flow | SwitchBot S20 |
|---|---|---|
| Price | $800 | $800 |
| 3 year cost | $800 | $1,100 |
| Our score | 7.2/10 | 7.2/10 |
| Rank in Floors | #22 | #25 |
| Status | on sale | on sale |
| Warranty | 1 year (Roborock US store) | 1 year (SwitchBot store) |
| Suction | 20,000 Pa (Roborock); Vacuum Wars measured 16 CFM airflow | 10,000 Pa with four levels (SwitchBot, Expert Reviews) |
| Navigation | PreciSense LiDAR, multi level maps for up to four floors | dToF LiDAR plus AI camera (SwitchBot); Expert Reviews found mapping fast, while TechRadar saw some erratic routes and frequent failed docking |
| Obstacle avoidance | Reactive AI with structured light and an RGB camera, 200+ object types (Roborock); Vacuum Wars scored it 16 of 24 objects avoided | AI camera, front infrared and side PSD sensors (SwitchBot); TechRadar saw it avoid a cable and a shoe but push a tissue box across the room |
| Mopping | Yes, SpiraFlow 270 mm self cleaning roller mop with up to 15 N pressure, lifts 15 mm and deploys a guard on carpet; no mop only mode | RevoRoll roller mop with 1 kg of pressure, 300 scrubs per minute and a 4 step rinse while mopping (SwitchBot); no mop only mode (Expert Reviews, HomeKit News) |
| Self empty | Yes, empties into a disposable 2.5 L dust bag in the dock | Yes, the station stores dust for up to 90 days (SwitchBot); TechRadar lists a 4 L dock bin |
| Dock features | Washes the roller with 167°F water and dries it with warm air up to 131°F; about 4 L clean and 3 L dirty water tanks; no detergent tank and no plumbed refill | Auto empty, auto water refill, mop washing and 50 C hot air drying (SwitchBot); 2.5 L clean and 2.5 L dirty tanks (TechRadar, Expert Reviews), while SwitchBot's launch notice listed 2.7 L clean; an Auto-Fill and Drain version connects to home plumbing |
| Runtime | Roborock claims 228 min vacuum only; CyberShack measured 100 to 125 min in mixed use; about 3 hr to recharge | Not stated by SwitchBot; 4,000 mAh battery and under 4 hours to charge (SwitchBot) |
| Dustbin | 325 ml onboard (Vacuum Wars); 2.5 L bag in the dock | n/a |
| Height | 4.7 in (119 mm) | 115 mm (4.5 in) tall, 365 mm (14.4 in) wide (SwitchBot, TechRadar) |
| Pet hair | DuoDivide main brush and anti tangle side brushes; 0% tangles in Vacuum Wars 7 inch hair test, 77.5% flattened pet hair pickup | Expert Reviews measured 5 of 5 g pet hair on hard floor and 3.8 of 5 g on carpet |
| App | Roborock app with no go zones, room selection and remote camera; works with Alexa, Google Home and Siri | SwitchBot app, Alexa, Google Assistant and Matter 1.4; HomeKit News found rooms show in Apple Home, but the SwitchBot app is still needed for setup and maps |
| Threshold | 20 mm in Vacuum Wars testing | Crosses obstacles up to 20 mm (SwitchBot) |
| Noise | n/a | Expert Reviews measured 65 dBA at 1 m; TechRadar called it louder than average in every mode with a very loud auto empty |
| Best for | hard floor apartments | hard floor homes that want roller mopping on a budget |
| Skip if | you need it to fit under low furniture | you want quiet cleaning or have low furniture |

## What reviewers found

### Roborock Qrevo Curv 2 Flow

- CyberShack (8.7/10): Excellent hard floor vacuuming at 91% to 95% and good mopping close to skirting, above average on short and medium pile carpet, but weak on carpet pet hair and no edge or corner cleaning on carpet. Measured 100 to 125 minutes of real runtime. [Source](https://cybershack.com.au/cleaning/roborock-qrevo-curv-2-flow-another-great-robovac-roller-mop-review)
- Gizmodo: Called the roller mop the most powerful robot mop it had tested where it can reach, with good hair and sand pickup, but edge gaps of around 8 inches at times, a swallowed USB C cord and sock, and limited battery for large homes. [Source](https://gizmodo.com/roborock-qrevo-curv-2-flow-review-ultimate-robot-mop-if-you-dont-have-corners-or-walls-2000745723)
- Vacuum Wars (3.64/5): Strong vacuum with 87% carpet sand removal and 0% hair tangles, but a combined mopping score of 13.7 against a 22.75 category average and 16 of 24 obstacles avoided. Headline verdict: strong vacuum, disappointing mopping. [Source](https://vacuumwars.com/roborock-qrevo-curv-2-flow-review)

### SwitchBot S20

- TechRadar: Effective roller mop and strong obstacle avoidance, but louder than average in every mode, regular docking failures and some erratic navigation. Subscores: Value 3.5/5, Design 4/5, Performance 3/5, App 3.5/5. [Source](https://www.techradar.com/home/robot-vacuums/switchbot-s20-review)
- Expert Reviews: Picked up 50 of 50 g rice and 5 of 5 g pet hair on hard floor, 29.4 of 50 g flour on carpet, and removed dried mud in two passes and ketchup in three. Measured 65 dBA at 1 m. [Source](https://www.expertreviews.co.uk/home-garden/vacuums-cleaning/switchbot-s20-robot-vacuum-review)
- HomeKit News (8/10): Solid obstacle avoidance that was sometimes overcautious; Matter 1.4 rooms work in Apple Home, but there is no mop only option and cleaning fluid must be added by hand. [Source](https://homekitnews.com/2025/09/28/switchbot-floor-cleaning-robot-s20-w-matter-review/)

## Questions buyers ask

### Which is better, the Roborock Qrevo Curv 2 Flow or the SwitchBot S20?

Pick the Roborock Qrevo Curv 2 Flow for hard floor apartments. Pick the SwitchBot S20 for hard floor homes that want roller mopping on a budget.

### What is the difference between the Qrevo Curv 2 Flow and the S20?

Suction: 20,000 Pa (Roborock); Vacuum Wars measured 16 CFM airflow on the Qrevo Curv 2 Flow, 10,000 Pa with four levels (SwitchBot, Expert Reviews) on the S20. Navigation: PreciSense LiDAR, multi level maps for up to four floors on the Qrevo Curv 2 Flow, dToF LiDAR plus AI camera (SwitchBot); Expert Reviews found mapping fast, while… on the S20. Obstacle avoidance: Reactive AI with structured light and an RGB camera, 200+ object types (Roborock)… on the Qrevo Curv 2 Flow, AI camera, front infrared and side PSD sensors (SwitchBot); TechRadar saw it avoid a… on the S20.

Full reviews: [Roborock Qrevo Curv 2 Flow](https://robotsforthat.com/robot/roborock-qrevo-curv-2-flow/index.md), [SwitchBot S20](https://robotsforthat.com/robot/switchbot-s20/index.md)