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SwitchBot K11+: two-minute review

The SwitchBot K11+ is a scaled-down robot vacuum that's perfect for cramped homes. It delivers solid vacuuming and navigates with surprising speed and confidence, even if it doesn't always avoid all the obstacles it should. If you have a home with lots of nooks and crannies, it will be compact enough to squeeze into them, although note that while it's small in width, it's about standard height.

The dock is perhaps the smallest auto-empty option I've seen – sitting happily out of the way beneath my bed – and packs a surprisingly generous 4L dust bag. For that reason alone, it's a contender for the best robot vacuum for small homes.

The only major disappointment here is the "mop", which takes the form of a disposable wet-wipe that the bot drags across the floor. For the level of cleaning it delivers, it isn't worth the effort of attaching it. In fact, if you ignore the mopping capabilities altogether and just treat the K11+ as a vacuum-only bot, it becomes a far stronger proposition overall.

It isn't perfect, however. Aside from the dodgy mop, the app has a few weird quirks – and the auto-empty function is rather noisy. Overall, though, there's something very charming and appealing about this little bot. At full price it's clear you're paying a bit of a premium for the small size, but discounts are easy to come by, and if you snag one of these it can be very strong value for money.

That's the short version; read on for my full SwitchBot K11+ review.

(Image credit: Future)SwitchBot K11+ review: price & availability

• List price: $399.99 / £399.99
• Available: US, UK
• Launched: September 2025

The SwitchBot K11+ launched in September 2025, and is available to buy direct from SwitchBot, but also via Amazon. At list price it costs $399.99 in the US and £399.99 in the UK. However, at time of writing, there were significant discounts available one both sides of the shore. You're paying a bit of a premium for the dinky size here, although even at full price I think it's decent value for money.

Two of the best cheap robot vacuums on the market, the Dreame D9 Max Gen 2 and the Roborock Q7 M5 are both cheaper and offer far more capable mopping than the K11+, but neither come with an auto-empty dock. You'll be able to pick up better-value auto-empty hybrid robot vacuums if you're happy to go for an older model – a good example is the Roborock Q5 Pro+. Note, though, that the dock is much bigger, and is unlikely to fit under your bed.

• Value for money score: 4 out of 5

SwitchBot K11+ specs

Max suction:

6,000Pa

Robot diameter:

9.8in / 24.8cm

Robot height:

3.6in / 9.2cm

Dock dimensions (W x D x H):

9.4 x 7.1 x 9.8in / 24 x 18 x 25cm

Dust bin volume (base):

4L

Water tank volume:

None

Base type:

Charge, auto-empty

Max threshold clearance:

0.7in / 1.7cm

Smart home compatibility:

Matter (Apple Home, Alexa, Google Home)

SwitchBot K11+ review: design

• Small (but not short) robot with rubber roller and side brush
• Mop is a wet-wipe dragged across the floor, then disposed of
• Compact dock with auto-empty and storage for mop plate

The SwitchBot K11+ is a dinky robot vacuum with an equally compact base. The bot itself measures 9.8in / 24.8cm in diameter, whereas most bots these days are about 13in / 33cm. This means it can clean in narrow spots – although note that at 3.6in / 9.2cm, height-wise it's pretty average, so it won't be sneaking under a low sofa – for example – to clean.

Below you can see it next to the Roborock Saros 10 – while the K11+ is significantly smaller in diameter, its puck makes it taller; the Roborock's puck is retractible.

The pint-sized K11+ next to the more normally proportioned Roborock Saros 10 (Image credit: Future)

On the top of the K11+ you'll find buttons for On and Return to dock. Lift off the cover (which appears to just sit in place – I'd prefer some magnets to hold it a little more securely – and you'll find the dust cup clipped to the side.

There's a raised LiDAR puck, bumpers around the edge, and a camera at the front. Flip the K11+ over and you'll find a rubber roller. Sensibly, SwitchBot has made this almost the full width of the robot, which means the suction area is actually relatively large. There's also an angled side brush, to avoid hair from becoming tangled around it.

Image 1 of 4

There are a couple of manual buttons, and a raised LiDAR puck (Image credit: Future)Image 2 of 4

The rubber roller takes up most of the width of the robot (Image credit: Future)Image 3 of 4

The dust cup clips on the side of the bot (Image credit: Future)Image 4 of 4

The mopping setup is just a wet wipe (Image credit: Future)

The K11+'s mopping capabilities appear to have very much been an afterthought. To launch the function, you attach a wet-wipe to a base plate, and clip this to the underside of the bot, on top of the suction area. The wipe is then dragged across the floor, and disposed of afterwards. Note that the wet-wipe isn't biodegradable.

Although you need to attach the mop plate to activate "mopping", it is possible to specify carpet and no-mop zones on the map, to avoid the mop wiping down any areas that should not be wiped. However, you can't set a no-mop zone where the dock sits.

(Image credit: Future)

Speaking of the dock, the K11+'s station is far smaller than those you find accompanying the vast majority of bots nowadays. In fact, it's significantly more compact than the already-small dock that came with this model's predecessor, the SwitchBot K10+ (specifically, 2.9in / 7.3cm shorter and 0.8in / 2.1cm narrower).

(Image credit: Future)

This dock has TARDIS-like properties, though: lift the lid and you'll find a far larger than usual 4L dust bag. SwitchBot has also added storage for the mop plate beneath the lid – just one of a number of thoughtful design touches (my other favorite is that the handle on the onboard bin doubles up as a clip to secure it in place).

It's far from the most fully featured dock in town, though. There's no mop pad cleaning or refilling of water tanks (because there is no mop pad, nor is there a tank to fill). However, I'd wager that there are plenty of people who'd prefer a smaller dock with a large dust bag to a gigantic one with tanks included.

• Design score: 4 out of 5

SwitchBot K11+ review: performance

• Navigates quickly and confidently, decent obstacle avoidance
• Good suction performance but bin emptying rather loud
• Mopping not worth the effort, and dock can't be in a no-mop zone

When I set the SwitchBot K11+ off on its first cleaning run, the first thing that struck me was its speed. This bot powers up and down floors like there's no time to waste.

Despite that, it seems to do a good job at picking up dust and debris – I paused it before it could auto-empty, and the onboard bin had plenty in it, even though the room had been vacuumed the previous day, and I was using the second-weakest suction mode. (You can choose to clean a room once or twice, and there are four suction options: Quiet, Standard, Strong and Max.)

This dinky bot navigates with speed and confidence (Image credit: Future)

As usual, you can request the bot clean a room or a zone. However, the "Spot clean" function – where a robot will clean an area that's about a square meter or so around a chosen position – was still in beta testing at the time of writing, which is a little annoying if you want to clear a spillage.

Although fairly quiet in operation, the auto-empty process is really rather noisy. However, you can set different auto-empty durations via the app, to save at least some unnecessary disruption.

The auto-empty process is a little noisy (Image credit: Future)

Mopping is a different story. Attaching the wet wipe is fiddly, and ends up with a lot of the wipe on the underside of the base plate. It barely left my bathroom floor damp – imagine trying to clean the entire floor of a room with half a single wet-wipe. It also deposited bits of grime next to every grouting line.

I'll get into the results of the mopping tests in a second, but the short version is that if I owned this bot, I just wouldn't bother with the mopping functionality – in my opinion, it just isn't worth the effort.

The wet-wipe mop setup deposited grime whenever it hit an uneven bit of floor (Image credit: Future)Navigation and obstacle avoidance

As a result of its speed, you might assume the K11+ experiences a fair few collisions, but this isn't the case. On test, it skirted its way around furniture and avoided permanent obstacles with impressive accuracy and reliability.

Ad hoc obstacle avoidance was less consistent. During one cleaning run, the K11+ drove into the dog (who, thankfully, remained unbothered) and then went on to push his water bowl across to the other side of the room.

During my set obstacle avoidance tests it hit my shoe, but on encountering the same shoe a second time, the bot carefully skirted around it before continuing. The K11+ also sucked up a red ribbon I'd used in place of a charge cable, but I wound't say that was surprising – I've yet to find a robovac that can successfully avoid cables, whatever the manufacturers may claim.

Image 1 of 2

The K11+ didn't always avoid obstacles (Image credit: Future)Image 2 of 2

Definitely tidy away cables before sending it out (Image credit: Future)Cleaning tests

Next I moved on to TechRadar's official suction tests. For this, I sprinkled dry tea (from a tea bag) and a handful of oats onto the carpet, and monitored how effectively the bot sucked them up.

A single pass in Standard mode took care of most of the oats but only the top layer of tea, and a second in Max sucked up the rest of the oat crumbs and a decent amount of tea. That's a good result – the tea test is purposefully tricky (I used a Dyson V15 Detect to clear it completely).

Image 1 of 3

Tea and oats on carpet, ready for suction tests (Image credit: Future)Image 2 of 3

This was what remained after a single pass with the K11+... (Image credit: Future)Image 3 of 3

... and after two passes (Image credit: Future)

Moving onto the mopping tests. This one felt unfair because it isn't so much a mop as a wet-wipe. Nevertheless, I persevered. I smeared a tiny amount of ketchup on a tiled floor and left it to dry, and also spilled a little soy sauce, to see how the K11+ could clear it.

Predictably, it could not. The soy sauce ended up smeared all over the floor and the ketchup was completely unaffected. I sent my Roborock Saros 10 in to clean up after it.

The K11+'s wet-wipe "mop" did not impress in the mopping tests (Image credit: Future)

If I owned this bot, I wouldn't bother with the mopping function at all. For the level of cleaning it delivers, it isn't worth the effort of attaching the wet-wipe. It also limits where you can position the dock, because it can't live in a no-mop zone.

• Performance score: 3.5 out of 5

SwitchBot K11+ review: app

• Pretty well designed and easy enough to use
• Fine-tuning options are limited
• Some minor illogical quirks

Since SwitchBot is a brand that makes a number of smart home products, its app is a hub for any SwitchBot gadgets you might own, rather than being dedicated to robovacs only. That means you'll have to click through twice from the homescreen to reach the K11+'s control options.

Image 1 of 2

(Image credit: SwitchBot / Future)Image 2 of 2

(Image credit: SwitchBot / Future)

Once you reach the right section, it's much like most other robovac apps I've used. Editing a map is straightforward, and you can easily add no-go zones and merge or split spaces. The control options are more limited than you'll find in other, pricier robot vacuums, but all the main bases are covered.

There are a few niggles, though. I was pleased to find a Boost mode for carpets. However, specifying an area of carpet adds a pattern on top of the map that's so dark you then can't see the robot's cleaning path. Slightly annoyingly, there's an 8-character limit on room names that prevents you from, for example, labelling "Top floor", and bafflingly, there's no "Hall" or "Corridor" type option within the room defaults.

• App score: 3.5 out of 5

Should you buy the SwitchBot K11+?

Attribute

Notes

Rating

Value

Budget / mid-range at full price, but big discounts are common. Paying a bit of a premium for the small size, but still decent value.

4 / 5

Design

Tiny robovac with an equally compact dock. Not exactly feature-packed, and mopping is very basic, but it looks great with some useful design features.

4 / 5

Performance

Vacuuming is solid and navigation is good, but emptying is noisy and mopping isn't worth bothering with.

3.5 / 5

App

Decent app with a few illogical quirks.

3.5 / 5

Buy it if...

You don't have much space for a dock
If you want auto-empty capabilities but don't have room for a massive dock, this bot is perfect – it has perhaps the smallest auto-empty dock I've seen.

You're dealing with lots of dust or hair
Although the dock is small, its internal dust bag is far bigger than you'll find in most auto-empty docs, with space for plenty of dust or pet hair before it needs replacing.

You want a speedy cleaner
The K11+ rattles along at quite a pace, which means despite its small size, it will get your rooms clean quickly.

Don't buy it if...

Your priority is mopping
The mopping here is really very basic, and for most people, not worth the effort.

You don't have lots of dust or hair
If you're dealing with low levels of dust, you could consider not bothering with auto-emptying at all. There are plenty of excellent full-sized bots with very compact, charge-only docks, for less money than you'll shell out for the K11+.

How I tested the SwitchBot K11+

I used the SwitchBot K11+ as my main vacuum for a fortnight, to get a feel for its general cleaning performance and ease of use. I also ran a series of set suction tests to assess this bot's cleaning powers, seeing how effectively it cleared fine (tea leaves) and chunky (oats) spillages. To assess the mopping, I spilled soy sauce and smeared ketchup on a tiled floor. To test obstacle avoidance, I scattered common items you'd usually find around a home across my living room floor to see if it could correctly identify and avoid them.

During my review period, I assessed how easy it was to set up the SwitchBot K11+, how accurately it made its way around my home, and if there were any annoyances with its performance. I compared my experience with other robot vacuums I've tested, both budget and premium models.

Read more about how we test robot vacuum cleaners

• First reviewed September 2025

The SwitchBot K11+ is a shrunk-down robot vacuum that's perfect for small homes and cramped spaces.

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