# Narwal Flow 2 vs Roborock Qrevo 2 Pro

As of Oct 31, 2026, the Narwal Flow 2 costs $1,300 and the Roborock Qrevo 2 Pro costs $550, so the Roborock Qrevo 2 Pro is $750 cheaper. The Roborock Qrevo 2 Pro scores higher in our ranking (7.0 vs 6.3 out of 10). Pick the Narwal Flow 2 for pet homes with mostly hard floors. Pick the Roborock Qrevo 2 Pro for hard floor homes on a midrange budget.

Prices checked Oct 31, 2026. HTML version: https://robotsforthat.com/vs/narwal-flow-2-vs-roborock-qrevo-2-pro/

## Side by side

| | Narwal Flow 2 | Roborock Qrevo 2 Pro |
|---|---|---|
| Price | $1,300 | $550 |
| 3 year cost | $1,300 | $550 |
| Our score | 6.3/10 | 7.0/10 |
| Rank in Floors | #31 | #18 |
| Status | on sale | on sale |
| Warranty | 1 year limited (Narwal warranty policy for purchases outside the EU and Switzerland) | 1 year (Roborock US store) |
| Suction | 31,000 Pa (brand claim); Vacuum Wars measured 1.92 kPa and 18 CFM, above average | 20,000 Pa (Roborock store page); Tom's Guide listed 25,000 Pa in its review specs |
| Navigation | Laser based 3D mapping with dual 1080p RGB cameras and a 10 TOPS AI chip | PreciSense LiDAR on top of the robot (Roborock); Tom's Guide mapped four rooms in about 10 minutes |
| Obstacle avoidance | TwinAI Dodge with dual cameras; Vacuum Wars scored 20 of 24 objects avoided | Structured light Reactive Tech, no camera (Roborock); Gizmodo saw it swallow micro USB cables and a sock, TechRadar saw it avoid a shoe and sock but snag a USB cable |
| Mopping | Yes, self refreshing track roller mop with 12 N pressure and 140°F water, lifts 10 mm on carpet | Dual spinning mops with FlexiArm edge reach, auto mop removal for carpet, 0.591 in mop lift (Roborock); Tom's Guide saw soy sauce, mayonnaise and mud cleared in two passes |
| Self empty | Yes, into a 2.5 L disposable bag; Narwal says a bag lasts up to 120 days without pets or 90 days with pets | Yes, self sealing dust bag, up to 65 days (Roborock); Tom's Guide lists a 2.7 L dock bag |
| Dock features | Washes the mop at 212°F, dries it at 104°F, doses detergent; Narwal also sells a version with auto refill and drainage | Mop wash up to 149°F, 113°F warm air drying, 4 L clean water refill, removable base (Roborock); Tom's Guide cited 167°F wash |
| Runtime | 7,000 mAh battery; Vacuum Wars measured 38 min in a studio vacuum and mop run, while 9to5Google cleaned about 1,300 sq ft without a recharge | Tom's Guide lists 253 min and a 6,400 mAh battery; Gizmodo cleaned 750 sq ft in just under two hours with a little over 50% left |
| Dustbin | 300 mL onboard bin (Vacuum Wars) | 11.8 fl oz robot bin (Tom's Guide) |
| Height | 3.74 in (95 mm) per Narwal | 3.80 in (Roborock) |
| Pet hair | Vacuum Wars measured 88% flattened pet hair pickup and 0% hair wrap | Tom's Guide measured 60% of hair picked up on hardwood and 48% on carpet |
| App | Narwal app with Siri, Alexa and Google Assistant; Vacuum Wars lists Matter support, but Narwal's product page does not | Roborock app with SmartPlan 3.0; works with Alexa, Siri, Google Home and Matter (Roborock); TechRadar found custom room names unreliable by voice |
| Threshold | Up to 1.57 in (40 mm) per Narwal; Vacuum Wars cleared 32 mm easily and 38 mm on a second try | Not listed by Roborock; TechRadar says it handles regular doorways but not high thresholds |
| Noise | n/a | TechRadar measured about 60 dB on carpet and 69 dB peak during dock emptying; Roborock lists 45 dB drying noise |
| Best for | pet homes with mostly hard floors | hard floor homes on a midrange budget |
| Skip if | you need a robot under 3.5 in tall | you have cluttered floors or lots of carpet hair |

## What reviewers found

### Narwal Flow 2

- Vacuum Wars (3.88/5): Lab tests found 84% sand removal from carpet, 88% flattened pet hair pickup, 0% hair wrap and 20 of 24 obstacles avoided; a retest after a firmware update put mopping well above average, but the studio vacuum and mop run lasted only 38 minutes. [Source](https://vacuumwars.com/narwal-flow-2-review/)
- Tom's Guide: Picked up 100% of kitty litter on both floors, 100% of pet hair on hardwood and 80% on carpet, but only 30% and 20% of cereal; reviewer said edges and corners need manual cleaning and it does not live up to its price. [Source](https://www.tomsguide.com/home/the-narwal-flow-2-looks-slick-but-its-performance-misses-the-mark-for-a-usd1-500-robot-vacuum)
- 9to5Google: Cleaned about 1,300 sq ft with back to back vacuum and mop passes without stopping to recharge; reviewer rated it roughly equal to the Roborock Saros 20 but noted the taller body. [Source](https://9to5google.com/2026/06/24/narwal-flow-2-review/)

### Roborock Qrevo 2 Pro

- Tom's Guide: Picked up 92.5% of cereal and 60% of hair on hardwood, but only 76.5% of cereal, 51% of flaxseed and 48% of hair on carpet. Mopping cleared soy sauce, mayonnaise and mud in two passes. It bumped furniture with some force. [Source](https://www.tomsguide.com/home/roborock-qrevo-2-pro-review)
- TechRadar: About 60 dB on carpet and 69 dB peak when emptying. Mopping was excellent on max settings, it avoided a shoe and sock but got caught on a USB cable. Subscores: Value 5/5, Design 4/5, Performance 4.5/5, App 5/5. [Source](https://www.techradar.com/home/robot-vacuums/roborock-qrevo-2-pro-review)
- Gizmodo (3.5/5): Cleaned a 750 sq ft apartment in just under two hours with over 50% battery left. It swept up micro USB cables and a child's sock, and the test unit needed a fix for a loose part under the brush. [Source](https://gizmodo.com/roborock-qrevo-2-pro-a-midrange-robovac-that-will-eat-your-cables-2000802293)

## Questions buyers ask

### Which is better, the Narwal Flow 2 or the Roborock Qrevo 2 Pro?

The Roborock Qrevo 2 Pro scores higher in our ranking (7.0 vs 6.3 out of 10). Pick the Narwal Flow 2 for pet homes with mostly hard floors. Pick the Roborock Qrevo 2 Pro for hard floor homes on a midrange budget.

### Which is cheaper?

The Roborock Qrevo 2 Pro at $550, versus $1,300 for the Narwal Flow 2, checked Oct 31, 2026. Over 3 years with running costs: $1,300 vs $550.

### What is the difference between the Flow 2 and the Qrevo 2 Pro?

Suction: 31,000 Pa (brand claim); Vacuum Wars measured 1.92 kPa and 18 CFM, above average on the Flow 2, 20,000 Pa (Roborock store page); Tom's Guide listed 25,000 Pa in its review specs on the Qrevo 2 Pro. Navigation: Laser based 3D mapping with dual 1080p RGB cameras and a 10 TOPS AI chip on the Flow 2, PreciSense LiDAR on top of the robot (Roborock); Tom's Guide mapped four rooms in about… on the Qrevo 2 Pro. Obstacle avoidance: TwinAI Dodge with dual cameras; Vacuum Wars scored 20 of 24 objects avoided on the Flow 2, Structured light Reactive Tech, no camera (Roborock); Gizmodo saw it swallow micro USB… on the Qrevo 2 Pro.

Full reviews: [Narwal Flow 2](https://robotsforthat.com/robot/narwal-flow-2/index.md), [Roborock Qrevo 2 Pro](https://robotsforthat.com/robot/roborock-qrevo-2-pro/index.md)