# SwitchBot K20+ Pro vs SwitchBot S20

As of Nov 12, 2026, the SwitchBot K20+ Pro costs $700 and the SwitchBot S20 costs $800, so the SwitchBot K20+ Pro is $100 cheaper. The SwitchBot K20+ Pro scores higher in our ranking (7.2 vs 7.0 out of 10). Pick the SwitchBot K20+ Pro for flat, single level smart homes that want a roaming camera or fan. Pick the SwitchBot S20 for hard floor homes that want roller mopping on a budget.

Prices checked Nov 12, 2026. HTML version: https://robotsforthat.com/vs/switchbot-k20-plus-pro-vs-switchbot-s20/

## Side by side

| | SwitchBot K20+ Pro | SwitchBot S20 |
|---|---|---|
| Price | $700 | $800 |
| 3 year cost | $700 | $1,100 |
| Our score | 7.2/10 | 7.0/10 |
| Rank in Floors | #23 | #29 |
| Status | on sale | on sale |
| Warranty | 1 year (SwitchBot Canada store; EU store lists 2 years) | 1 year (SwitchBot store) |
| Suction | 4,000 Pa (SwitchBot Canada store) | 10,000 Pa with four levels (SwitchBot, Expert Reviews) |
| Navigation | dToF LiDAR mapping (SwitchBot) | dToF LiDAR plus AI camera (SwitchBot); Expert Reviews found mapping fast, while TechRadar saw some erratic routes and frequent failed docking |
| Obstacle avoidance | Laser sensors on the front and sides, no camera (SwitchBot); MacSources reported it sometimes got stuck | 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, clip on pad plate dragged across the floor with a small built in tank (MacSources, PCWorld) | 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, 3 L bag, emptied about once every 70 days (SwitchBot) | Yes, the station stores dust for up to 90 days (SwitchBot); TechRadar lists a 4 L dock bin |
| Dock features | Auto empty and charging; some kits add a FusionBase that also empties a K10 stick vacuum (MacSources) | 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 | Not published; 3,500 mAh battery, about 4 h to charge (SwitchBot Canada store) | Not stated by SwitchBot; 4,000 mAh battery and under 4 hours to charge (SwitchBot) |
| Height | 24.8 x 24.8 x 9.2 cm robot (SwitchBot Canada store) | 115 mm (4.5 in) tall, 365 mm (14.4 in) wide (SwitchBot, TechRadar) |
| Threshold | Robot alone crosses up to 20 mm (SwitchBot); with the FusionPlatform base fitted SwitchBot warns it may not pass a 3 mm step, and PCWorld confirmed it stalled on a small hardwood to tile transition | Crosses obstacles up to 20 mm (SwitchBot) |
| Noise | Up to 80 dB (SwitchBot Canada store) | Expert Reviews measured 65 dBA at 1 m; TechRadar called it louder than average in every mode with a very loud auto empty |
| App | SwitchBot app; works with Alexa, Google Assistant and Siri, Matter supported (SwitchBot); MacSources and PCWorld found the app cluttered | 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 |
| Payload | Carries up to 8 kg, 17.6 lb, on its FusionPlatform (SwitchBot via Vacuum Wars and Tom's Guide) | n/a |
| Pet hair | n/a | Expert Reviews measured 5 of 5 g pet hair on hard floor and 3.8 of 5 g on carpet |
| Best for | flat, single level smart homes that want a roaming camera or fan | hard floor homes that want roller mopping on a budget |
| Skip if | you mainly want strong cleaning for the money | you want quiet cleaning or have low furniture |

## What reviewers found

### SwitchBot K20+ Pro

- PCWorld: Tested the $748.98 Patrol Kit with a required $119.99 Hub 3: the 3K camera pans 360 degrees, but with the mobile base fitted it would not cross a slightly sloped hardwood to tile transition, and it called the vacuum decent but not a main cleaner. [Source](https://www.pcworld.com/article/2924138/switchbot-k20-plus-pro-patrol-kit-review.html)
- MacSources (80%): Rated it 80% GOOD (Design 90%, Ease of Use 80%, Price 70%); praised the modular design and under furniture reach, but noted a complex app, navigation recovery issues and camera lag. Fan accessory ran 13 to 49 hours depending on speed. [Source](https://macsources.com/switchbot-k20-pro-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 SwitchBot K20+ Pro or the SwitchBot S20?

The SwitchBot K20+ Pro scores higher in our ranking (7.2 vs 7.0 out of 10). Pick the SwitchBot K20+ Pro for flat, single level smart homes that want a roaming camera or fan. Pick the SwitchBot S20 for hard floor homes that want roller mopping on a budget.

### Which is cheaper?

The SwitchBot K20+ Pro at $700, versus $800 for the SwitchBot S20, checked Nov 12, 2026. Over 3 years with running costs: $700 vs $1,100.

### What is the difference between the K20+ Pro and the S20?

Suction: 4,000 Pa (SwitchBot Canada store) on the K20+ Pro, 10,000 Pa with four levels (SwitchBot, Expert Reviews) on the S20. Navigation: dToF LiDAR mapping (SwitchBot) on the K20+ Pro, dToF LiDAR plus AI camera (SwitchBot); Expert Reviews found mapping fast, while… on the S20. Obstacle avoidance: Laser sensors on the front and sides, no camera (SwitchBot); MacSources reported it… on the K20+ Pro, AI camera, front infrared and side PSD sensors (SwitchBot); TechRadar saw it avoid a… on the S20.

Full reviews: [SwitchBot K20+ Pro](https://robotsforthat.com/robot/switchbot-k20-plus-pro/index.md), [SwitchBot S20](https://robotsforthat.com/robot/switchbot-s20/index.md)