# Narwal Flow 2 vs Roborock Qrevo Edge 2

As of Oct 31, 2026, the Narwal Flow 2 costs $1,300 and the Roborock Qrevo Edge 2 costs $1,100, so the Roborock Qrevo Edge 2 is $200 cheaper. The Narwal Flow 2 has a published review score and ranks #31 in our robot vacuums ranking; the Roborock Qrevo Edge 2 is not scored yet. Pick the Narwal Flow 2 for pet homes with mostly hard floors. Pick the Roborock Qrevo Edge 2 for pet homes with low furniture.

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

## Side by side

| | Narwal Flow 2 | Roborock Qrevo Edge 2 |
|---|---|---|
| Price | $1,300 | $1,100 |
| 3 year cost | $1,300 | $1,177 |
| Our score | 6.3/10 | Not scored yet |
| Rank in Floors | #31 | #75 |
| 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 | 25,000 Pa (Roborock); Vacuum Wars measured 94% carpet deep clean against a 78% average |
| Navigation | Laser based 3D mapping with dual 1080p RGB cameras and a 10 TOPS AI chip | Retractable LiDAR (RetractSense) with dToF clearance sensor and 100° vision module (Roborock, PCWorld) |
| Obstacle avoidance | TwinAI Dodge with dual cameras; Vacuum Wars scored 20 of 24 objects avoided | Reactive AI with structured light and RGB camera, 280+ object types (Roborock); Vacuum Wars saw 14 of 24 obstacles avoided against a 16 average |
| Mopping | Yes, self refreshing track roller mop with 12 N pressure and 140°F water, lifts 10 mm on carpet | Dual spinning mops at 200 rpm and 8 N with a swivel module for edges, 12 mm carpet lift (PCWorld, Vacuum Wars); Vacuum Wars combined mopping score 40.8 against a 20.3 average |
| 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, 2.7 L dock bag, up to 65 days (Roborock, PCWorld) |
| 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 176°F, 131°F warm air drying, warm water refill; 4 L clean and 3.5 L dirty tanks; no detergent tank (Roborock, PCWorld) |
| 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 | Up to 295 min in quiet mode, 5,200 mAh (Roborock via PCWorld); Vacuum Wars estimated about 1,208 sq ft per charge |
| Dustbin | 300 mL onboard bin (Vacuum Wars) | 240 ml robot bin (Vacuum Wars, PCWorld) |
| Height | 3.74 in (95 mm) per Narwal | 3.14 in (Roborock); PCWorld lists 3.1 in |
| Pet hair | Vacuum Wars measured 88% flattened pet hair pickup and 0% hair wrap | Vacuum Wars measured 89.5% pet hair pickup against an 82.2% average, with 0% long hair wrap |
| 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; Hello Rocky voice assistant; works with Alexa, Siri, Google Home and Matter (Roborock) |
| Threshold | Up to 1.57 in (40 mm) per Narwal; Vacuum Wars cleared 32 mm easily and 38 mm on a second try | About 20 mm (0.8 in) per Vacuum Wars and PCWorld; PCWorld saw it fail a threshold just over that |
| Noise | n/a | PCWorld measured 63 dB in balanced mode |
| Best for | pet homes with mostly hard floors | pet homes with low furniture |
| Skip if | you need a robot under 3.5 in tall | you have thresholds over 0.8 in |

## 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 Edge 2

- Vacuum Wars (3.67 Vacuum Wars stars): 94% carpet deep clean, 89.5% pet hair pickup and 0% hair wrap, with a 40.8 combined mopping score. It avoided 14 of 24 obstacles and covered about 1,208 sq ft per charge. [Source](https://vacuumwars.com/roborock-qrevo-edge-2-review/)
- PCWorld: Measured 63 dB in balanced mode. Edge and corner cleaning was good, but it failed a threshold just over 0.8 in and needed several passes for dried stains. [Source](https://www.pcworld.com/article/3217594/roborock-qrevo-edge-2-review.html)

## Questions buyers ask

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

The Narwal Flow 2 has a published review score and ranks #31 in our robot vacuums ranking; the Roborock Qrevo Edge 2 is not scored yet. Pick the Narwal Flow 2 for pet homes with mostly hard floors. Pick the Roborock Qrevo Edge 2 for pet homes with low furniture.

### Which is cheaper?

The Roborock Qrevo Edge 2 at $1,100, versus $1,300 for the Narwal Flow 2, checked Oct 31, 2026. Over 3 years with running costs: $1,300 vs $1,177.

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

Suction: 31,000 Pa (brand claim); Vacuum Wars measured 1.92 kPa and 18 CFM, above average on the Flow 2, 25,000 Pa (Roborock); Vacuum Wars measured 94% carpet deep clean against a 78% average on the Qrevo Edge 2. Navigation: Laser based 3D mapping with dual 1080p RGB cameras and a 10 TOPS AI chip on the Flow 2, Retractable LiDAR (RetractSense) with dToF clearance sensor and 100° vision module… on the Qrevo Edge 2. Obstacle avoidance: TwinAI Dodge with dual cameras; Vacuum Wars scored 20 of 24 objects avoided on the Flow 2, Reactive AI with structured light and RGB camera, 280+ object types (Roborock); Vacuum… on the Qrevo Edge 2.

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