The Roborock Qrevo Curv 2 Flow was announced with considerable buzz at CES 2026, where it made headlines as Roborock’s first-ever roller mopping robot vacuum. Given the strong performance history of previous Curv models—many of which debuted near the top of our Top 20 Robot Vacuums list and stayed there for months—we had high expectations for this release.
We purchased the Qrevo Curv 2 Flow and ran it through weeks of independent, standardized testing. While we wanted it to be another standout in the Curv family, the final results told a more complicated story. The Curv 2 Flow sits in the upper-middle tier of the robot vacuum market, and at that price point, performance matters.
Because it shares many similarities with the previous Curv flagship, the CurvX, we’ll reference that model frequently for context.
The Roborock Qrevo Curv 2 Flow impressed in several areas, but it ultimately fell short of expectations for its price. Vacuuming was a clear strength, with above-average carpet deep-clean performance (87%), a larger dustbin, dual side brushes, and a DuoDivide main brush that earned a perfect 0% hair-tangle score. Its new SpiraFlow roller mop system, which applies clean water and extracts dirty water, handled wet spills well and featured solid hardware like 15 mm mop lift, edge extension, and 15N downward pressure. Navigation and app features were also excellent, with strong LiDAR-based mapping and premium dock automations. However, mopping performance on dried stains was dramatically below average, airflow and suction were unimpressive, obstacle avoidance lagged behind the CurvX, and battery efficiency and height were drawbacks. See additional info
Price as of March 18, 2026
Auto Empty Station: Self Empties Debris | Washes Mop Roller | Washes Mop Roller with Hot Water | Dries Mop Roller | Dries Mop Roller with Heated Air | Self Cleaning | Dirty Water Sensor
Mopping: Lifts Mop Roller on Carpets | Covers Mop Roller While Vacuuming | Extending Mop Roller for Hard to Reach Areas
Hardware: Removes Hair from Brush Roll
Performance: Carpet Boost Settings
Mapping / Navigation: Multi Level Maps | Virtual Barriers and No Go Zones
Obstacle Avoidance: 200 Objects Recognized
Pet Features: Live Video Monitoring | Pet Checkup or Similar
Controls: Virtual Assistant Options
| Scores | Roborock Qrevo Curv 2 Flow | Average Robot Vacuum Tested |
|---|---|---|
| Vacuum Wars Overall | 3.83 | 2.58 |
| Features | 3.93 | 3.28 |
| Mopping Performance | 2.10 | 2.39 |
| Obstacle Avoidance | 3.34 | 3.39 |
| Pet | 4.47 | 3.42 |
| Navigation | 3.64 | 3.21 |
| Battery | 2.92 | 2.56 |
| Performance | 4.10 | 3.56 |
| Official Battery Life: 242 Minutes | Navigation Type: Spinning Lidar |
| Official Suction Power: 20000 Pa | Dust Bin Size: 324ml |
| Obstacle Avoidance Type: Single Camera & Structured Light | Objects Recognized: 200 |
| Multi Level Maps: Yes | Virtual Barriers: Yes |
| Detergent Capacity: N/A | Disposable Bag: 2.7L |
Curv 2 Flow Design and Core Hardware
The Qrevo Curv 2 Flow is available in white and features Roborock’s distinctive curved base station. Compared to the CurvX, it includes a few notable hardware changes.
One improvement we appreciated was a 20% increase in onboard dustbin capacity. The Curv 2 Flow’s dustbin measures 325 ml compared to the CurvX’s 258 ml, which addresses one of the earlier model’s weaknesses.
It also features two spinning side brushes instead of one. While both brushes lift automatically to avoid wet messes, neither extends outward, which means they don’t reach into corners as effectively as the extending side brush found on the CurvX.
The main brush uses Roborock’s DuoDivide rubber design, which includes a center gap to channel long hair and prevent tangling.
In our 7-inch hair tangle test, the Curv 2 Flow earned a perfect 0% tangle score, matching the CurvX and significantly outperforming the 21% average across all robots we’ve tested. In terms of hair resistance, this system remains highly effective.
Vacuum Performance – Carpet Deep Clean and Pet Hair Tests
As a vacuum, the Qrevo Curv 2 Flow performed well.
Sand Removal Test
In our carpet deep clean test—where we embed a measured amount of sand into medium-pile carpet and weigh how much is removed—the Curv 2 Flow achieved an 87% removal rate. That is well above the 76.7% average and confirms strong carpet agitation and pickup. However, it did trail the CurvX’s impressive 92% score.
Suction Power and Airflow (CFM and kPa Results)
Airflow testing placed the Curv 2 Flow at 16 CFM, slightly below the 16.8 CFM average but still within competitive range. For comparison, the CurvX measured at 13 CFM. While airflow alone doesn’t determine real-world performance, it is one of several indicators we monitor.
In our suction bench test, which measures raw suction in kilopascals, the Curv 2 Flow registered 0.47 kPa compared to the 0.97 kPa average. The CurvX was similar at 0.54 kPa. Bench suction scores do not always translate directly to debris pickup results, but the figure is worth noting.
Pet Hair Pickup
On our 2.5-inch flattened pet hair test, where hair is pressed into carpet and measured for removal efficiency, the Curv 2 Flow scored 77.5%. That is slightly below the 81% average and identical to the CurvX’s performance.
Overall, the Qrevo Curv 2 Flow is a solid vacuum. It handles debris effectively, resists hair tangles extremely well, and performs above average in deep carpet cleaning.
LiDAR Navigation and Mapping Performance
Navigation was a strong point. The Curv 2 Flow uses a top-mounted spinning LiDAR instead of the retracting system found on the CurvX. Both performed well, but the Curv 2 Flow slightly edged ahead in coverage efficiency at 0.83 square meters per minute compared to the CurvX’s 0.81. The average across robots is 0.72.
Base Station Features (Hot Water Washing & Drying)
The base station includes premium-tier features such as hot water mop washing, hot air drying, and automatic dustbin emptying into a sealed disposable bag. Intelligent dirt detection is also included, triggering re-mopping if higher-than-normal dirt levels are detected.
Roborock App
Roborock’s app continues to be one of the best in the industry, offering scheduling, no-go zones, room customization, and advanced options like directional mopping to reduce visible streaking. The onboard camera also supports pet monitoring features, including photo capture and a “search for pet” mode.
Roller Mopping System: A Major Shift
Roller Mop vs Spinning Mop Pads
The Qrevo Curv 2 Flow represents a major design departure for Roborock. Instead of dual spinning mop pads, it uses a roller-based system with clean water delivery and dirty water extraction.
Fresh water is applied to the roller via multiple nozzles, and a squeegee mechanism removes dirty water into an onboard tank rather than spreading it around the floor. In theory, this design should handle wet spills better than spinning mop systems, which tend to redistribute liquid rather than extract it.
The roller extends for edge cleaning and applies 15 Newtons of downward pressure. It also lifts 15mm over carpets and includes a carpet shield, allowing mixed-surface cleaning in a single run.
On paper, the system is comprehensive. In practice, results were mixed.
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Dried Stain and Coffee Test Results
In our dried-on stain test, which measures removal efficiency and number of passes required, the Qrevo Curv 2 Flow performed unexpectedly poorly. It scored just 25 points on the traditional dried stain test compared to a 112-point average across all robots tested. Even after increasing the water flow to maximum to test for improvement, the score only rose to 38.
In our coffee stain test at maximum water setting, it scored 51. For comparison, the CurvX scored 163 in the same test, with an average again of 112.
Water Usage and Streak Prevention
We also measure water usage and apply penalties for excessive water output to prevent streaking. Interestingly, the Curv 2 Flow left behind just 0.2 grams of water in our water penalty test. The average across robots is 1.04 grams, and the CurvX left 2.2 grams.
While lower water usage can reduce streaking, it may also explain the weak stain removal performance. It appears the Curv 2 Flow may have overcorrected from earlier Curv models, which were known for high water output.
User feedback on Reddit and Amazon has also mentioned uneven roller wetting, suggesting potential water distribution inconsistencies. Firmware updates can likely improve this, but as tested, the combined mopping score for the Curv 2 Flow was just 13.7. That places it among the lowest-scoring mopping robots we have evaluated. The CurvX, by comparison, scored 21.25, and the average combined mopping score is 22.75.
Obstacle Avoidance and Battery Efficiency
Roborock advertises expanded object recognition for its Reactive AI system, but our testing did not show meaningful improvement. The Curv 2 Flow avoided 16 out of 24 objects in our combined basic and torture tests. That matches the 16.6 average but falls well behind the CurvX’s 20-object score.
Battery efficiency measured at 1.44 minutes per 1% of battery, slightly below the 1.56 average and significantly behind the CurvX’s 1.95.
In practical terms, the Curv 2 Flow is estimated to cover less than 1,300 square feet per charge.
The robot also lacks advanced threshold climbing and is limited to standard 20mm crossings, whereas some newer Roborock models can handle up to 40mm.
At 4.7 inches (119mm) tall, it is also relatively tall by current standards, potentially limiting under-furniture access.
Final Thoughts: Is the Qrevo Curv 2 Flow Worth It?
The Roborock Qrevo Curv 2 Flow is a capable robot vacuum with excellent hair resistance, strong deep carpet cleaning performance, premium dock features, and efficient LiDAR navigation. As a vacuum, it performed above average in several key tests.
However, its roller mopping system—the model’s defining innovation—underperformed in our standardized stain testing. While it left minimal residual water and may reduce streaking, its stain removal scores were significantly below both the category average and previous Curv models.
In our overall rankings, the Curv 2 Flow earned a place in the Top 20 Robot Vacuums list, but lower than expected given its positioning and price. Based strictly on our current test results, earlier Curv models such as the CurvX (see at Amazon) delivered more balanced performance across both vacuuming and mopping.
For buyers prioritizing vacuum performance, navigation, and automation features, the Curv 2 Flow remains a competent option. For those who place greater emphasis on mopping performance, other models in this price tier currently perform better in our testing.
FAQ
What is the main difference between the Curv 2 Flow and the CurvX?
The primary difference is the mopping system. The Curv 2 Flow uses a roller mop with clean water application and dirty water extraction, while the CurvX uses spinning mop pads and achieved significantly stronger stain removal scores in our testing. The Curv 2 Flow also has a larger dustbin but lacks the CurvX’s extending side brush.
Is the Roborock Qrevo Curv 2 Flow a good robot vacuum?
Yes. In our testing, the Curv 2 Flow was a strong overall vacuum with above-average deep carpet cleaning and excellent hair resistance. It earned a perfect 0% score in our 7-inch hair tangle test and performed well in embedded sand removal.
How does the roller mopping system perform?
In our standardized stain tests, the roller mopping system underperformed compared to both the category average and previous Curv models. It struggled with dried-on stains even at maximum water settings, resulting in one of the lowest combined mopping scores we’ve recorded.
Is the Curv 2 Flow good for pet hair?
Yes. The DuoDivide rubber brush design prevented hair wrap entirely in our long-hair tangle test. This places it well above the overall average and makes it a strong option for homes with pets.
Does the Curv 2 Flow leave streaks when mopping?
It left very little residual water in our water usage test, which may reduce streaking. However, the low water output likely contributed to weaker stain removal performance, so the tradeoff is noticeable.
How is the navigation and obstacle avoidance?
Navigation performance was strong, with above-average coverage efficiency in our testing. Obstacle avoidance was average overall, successfully avoiding 16 out of 24 objects, but it did not outperform the CurvX in this category.
What features does the base station include?
The base station includes hot water mop washing, hot air drying, automatic dustbin emptying into a sealed bag, and intelligent dirt detection that can trigger additional mopping passes when needed.
Is the Qrevo Curv 2 Flow worth the price?
For the price, expectations are high. The Curv 2 Flow delivers solid vacuum performance, premium automation, and excellent hair resistance. However, its mopping performance was significantly below average in our tests, which may affect its overall value depending on your priorities.
Compare Curv 2 Flow, Curv X & Curv
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Roborock Qrevo Curv 2 Flow
