Roborock FlowX review: can I justify buying this despite its weaknesses?
13.5.2026
Translation: Elicia Payne
Pictures: Lorenz Keller
The Roborock Qrevo Curv 2 FlowX mops and vacuums just as well as other top models – but costs only half as much. The question is whether it’s enough to see past the three drawbacks.
Let me start by saying, I’m impressed: the Roborock Qrevo Curv 2 FlowX promises high-end features at an affordable price. At a price of around 650 Swiss francs or 749 euros, this model is one of the most affordable devices with a self-cleaning mop head.
However, my test reveals some pretty serious shortcomings that you should be aware of before adding it to your shopping list.
Three reasons not to choose the FlowX
Built too high
For me, the biggest drawback is the height. The device is 12 centimetres tall – which makes it taller than most robot vacuums I’ve tested in recent years. Many competitors with rollers or cylinders measure around ten centimetres. Even a height of eight centimetres is possible, as is the case with the Roborock Saros 20, which I recently tested.
Because of its height, the Roborock Qrevo Curv 2 FlowX can’t fit under my sofa or under my bed. Most competitors can do that with ease. So I wouldn’t even consider this model because it would never clean two large areas that are hard to reach, even with a regular vacuum cleaner.
Can’t climb
This robot doesn’t come with additional legs or retractable wheels to climb over thresholds and other high obstacles. Anyone with thresholds of about two centimetres or more will have to look for other models. The latest top-of-the-line models can reach four to five centimetres. That wouldn’t be such a big deal for me, because I don’t have any thresholds in my apartment.
Can’t reach corners
The FlowX is missing another function: it can’t extend its brushes to the side. They’re just peeking out a little from the side – which is enough for edges, but not for corners. This means the corners in your rooms aren’t cleaned very well.
In everyday life, this might not seem that important at first glance. But when I shine a Dyson vacuum cleaner’s laser light on the floor after cleaning, it’s a sad sight: the surfaces and edges are clean, but the corners aren't. That’s a shame, given its other qualities.
Vacuums and mops with ease
The Roborock Qrevo Curv 2 FlowX really shines when it comes to wet cleaning. The 27-centimetre-long mop is one of the widest on the market and can clean a large area at once. The robot sprays the fabric cover with fresh water and immediately sucks up the dirty water. This way, the mop is always clean. Thanks to this technology, hard floors stay beautifully clean when cleaned regularly.
The suction power is 20,000 pascals. That’s a pretty average figure; the latest top-of-the-line models can manage twice that. On hard floors, however, this isn’t an issue for everyday use. The Qrevo Curv 2 FlowX picks up dust and dirt with ease, just as I would expect from a top-of-the-range model.
For the two small rugs I own, this suction power is more than enough. The mop roller’s also covered with a flap so that the carpet doesn’t get wet. In addition, the roller can be raised by 1.5 centimetres, allowing you to trouble-free vacuum thick-pile carpets.
I also really like the two-part brush. The long strands of hair on the floor (not mine…) don’t get caught in it. Even after six weeks of testing, I haven’t had to cut out a single tangled hair.
Navigates quickly and with pinpoint accuracy
Equipped with sensors, a lidar scanner and a camera, the device’s navigation skills are excellent. This is clear from the moment you set it up. The Qrevo Curv 2 FlowX takes just ten minutes to map the entire apartment. No Roborock robot vacuum has ever been this fast – and overall, it’s one of the fastest I’ve tested so far.
The robot isn’t just fast – it’s also precise, which I think is even more important. It was able to recognise every room and also separated the hallway. I just needed to shift the boundary between the living room and the open kitchen a bit and give all the rooms the right names, and the plan was ready.
When it comes to daily cleaning, this device is just as precise as top-of-the-range models: the robot finds its way through every room, never loses its bearings and navigates around obstacles. It never got stuck anywhere during my test. The system detects potential obstacles, such as cables or cat toys, and prevents anything from getting tangled in the brush or blocking it.
I can see how it meticulously navigates even complicated areas, where there are table legs and lots of obstacles from all sides, by squeezing into every gap it can find. I can easily see that in the app, too.
At 62 decibels, measured from a distance of one metre, the Roborock ranks in the middle of the models I tested. The measured values so far range from 57 to 67 decibels – the human ear perceives a difference of 10 decibels as a doubling of the volume. The Qrevo Curv 2 FlowX doesn’t feel particularly loud, but it isn’t exactly quiet either.
Standby power consumption is ok
I measured a power consumption of 1.9 watt-hours (Wh) in standby mode – when the robot is idle and already fully charged. Compared to the competition, I’d say that’s an acceptable figure. However, a standby power consumption of less than one watt would be desirable and technically easily feasible (link in German). By the way, based on the average Swiss electricity price, I pay just under five francs for those 16.6 kWh per year.
When the mop head’s washed with hot water and then dried with warm air immediately after mopping, the power consumption is significantly higher: in this case, the robot draws 80 to 90 watts for several hours.
In a nutshell
A good cleaner, but not for everyone
If your home mainly has hard floors, no thresholds and furniture with plenty of clearance above the floor, then you can’t go wrong with the Roborock Qrevo Curv 2 FlowX. The Roborock Qrevo Curv 2 FlowX mops and vacuums just as well as other top models – but costs only half as much. The only thing it doesn’t quite manage to clean are corners – and that’s annoying.
If your home isn’t like the one I just mentioned, you should carefully consider the robot’s weaknesses. After all, depending on your individual circumstances, these issues may be so aggravating that it’s not worth buying.
Pro
- Seamless navigation
- Wipes clean and fast
- Reasonable price
Contra
- Has trouble reaching corners
- Can’t climb
- 12 centimetres tall
Lorenz Keller
Senior Editor
Lorenz.Keller@digitecgalaxus.chGadgets are my passion - whether you need them for the home office, for the household, for sport and pleasure or for the smart home. Or, of course, for the big hobby next to the family, namely fishing.
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