SwitchBot K11+ vs SwitchBot S20: which fits your home?

The published differences, side by side, with the makers’ store prices of Oct 23, 2026.

Updated Oct 23, 2026. Figures from the sources listed at the end; we don’t test robots.

Pick the SwitchBot K11+ for the lower price ($399.99, Oct 23, 2026) and a lower body (3.62 in). Pick the SwitchBot S20 for a higher door-sill or obstacle figure (0.79 in) and mopping.

The two robots

For the lower price ($399.99, Oct 23, 2026)

SwitchBot K11+

  • LiDAR mapping
  • Side sensor
  • Self-emptying dock
  • Rated for door sills up to 0.67 in (17 mm)
  • 3.62 in (92 mm) tall

$399.99at SwitchBot, checked Oct 23

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SwitchBot S20 with each of its two docksPhoto: SwitchBot
Height
4.53 in
Door sill
0.79 in

For a higher door-sill or obstacle figure (0.79 in)

SwitchBot S20

  • LiDAR mapping
  • AI camera
  • Roller mop
  • Dock empties, dries and refills
  • Lifts its roller mop and stops the water on carpet
  • AI camera, front infrared and side sensors for obstacles

$799.99at SwitchBot, checked Oct 23

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We earn a commission if you buy.

Pick the SwitchBot K11+ if

Pick the SwitchBot S20 if

Published for only one of them

Side by side

SwitchBot K11+SwitchBot S20
What the dock does
  • Empties its bin into a bag
  • No mop washing, drying or water refill
  • Empties its bin into a bag
  • Rinses its roller on the robot as it mops; SwitchBot doesn’t say the dock washes it
  • Dries its mops with warm air
  • Refills the robot’s water tank
  • Also sold with an auto refill and drain kit
Door sills
0.67 in (17 mm)0.79 in (20 mm); SwitchBot calls it obstacle crossing
Robot height
3.62 in4.53 in
Rugs and carpet
Not publishedNot published
Mop
None listedRoller
Mop on carpet
No mop listed by SwitchBotLifts its roller and stops the water (height not published)
Mop wash water
No mop listedNo temperature given
Mop drying
No mop listedWarm air, 122°F (50°C)
Suction (maker’s figure)
6,000 Pa10,000 Pa
Noise (maker’s figure)
45 dB in quiet modeNot published
Navigation
LiDARdToF LiDAR
Obstacle recognition
Side PSD and drop sensors; no camera listedAI camera, front infrared and side PSD sensors
Edges and corners
Anti-tangle twin side brushClaw-like anti-tangle side brush
Main brush
Tangle-resistant roller brushRubber brush that SwitchBot says prevents tangles
Dust storage in dock
Up to 90 daysUp to 90 days
Warranty
1 year1 year
Matter
Works with Matter without an extra hubWorks with Matter
On sale in the US since
September 2025September 2025

Questions

Which is cheaper, the SwitchBot K11+ or the SwitchBot S20?

The SwitchBot K11+: $399.99 at SwitchBot, against $799.99 at SwitchBot (checked Oct 23, 2026).

Which fits under lower furniture?

The SwitchBot K11+, at 3.62 in tall; the SwitchBot S20 is 4.53 in.

Which climbs higher door sills?

The SwitchBot S20 has the higher figure: SwitchBot says it crosses obstacles up to 0.79 in. For the SwitchBot K11+, it’s rated for door sills up to 0.67 in.

What do their docks do?

The SwitchBot K11+ has a self-emptying dock. The SwitchBot S20 has a dock that empties, dries and refills.

How do they mop?

The SwitchBot K11+: no mop listed. The SwitchBot S20: roller.

Check both against your home
Sources