MOVA E40 Ultra
MOVA’s cheapest self-cleaning dock robot, for small hard-floor homes that want hands-off mopping on a tight budget.
MOVA $359$359
The MOVA E40 Ultra is the better robot vacuum overall, rated 4.5 to 4.1. The Roborock Qrevo Curv wins on navigation.
Roborock Qrevo Curv
For mixed-floor pet homes that can find one in stock; the Qrevo CurvX is the easier-to-buy alternative.
AmazonPrices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Roborock Qrevo Curv for navigation (LiDAR + camera vs LiDAR + 3D light).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | MOVA E40 Ultra | Roborock Qrevo Curv |
|---|---|---|
| Overall rating | 4.5/5 | 4.1/5 |
| Cleaning 30% | 73 not yet tested; estimated from 5 tested MOVA robots and the median of the 70 tested robots | 69 measured 85% of sand from carpet, 86% of pet hair, no hair tangled |
| Value 25% | 98 $359 | 50 no current price (neutral score used) |
| Dock 20% | 88 Self-empties the bin, washes the mop, hot-air mop drying | 95 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, optional water hookup |
| Navigation 15% | 85 LiDAR + 3D light | 100 LiDAR + camera |
| Mopping 10% | 76 Dual spinning pads, lifts 10.5 mm, extends to edges | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Independent tests
MOVA E40 Ultra
No independent test published yet.
Roborock Qrevo Curv
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 85% | 86% | 0 | 1,624 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| MOVA E40 Ultra | Roborock Qrevo Curv | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 19,000 Pa | 18,500 Pa |
| Main brush | Rubber brush (CleanChop TriCut brush optional) | DuoDivide anti-tangle brush |
| Dustbin | 300 mL | 325 mL |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.5 mm, extends to edges | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | 10.5 mm | 10 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 80 mL | 80 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | No | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | No |
| Water hookup option | - | Yes |
| Clean water tank | 4.5 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | Line laser | Structured light and RGB camera |
| Climbs thresholds | 22 mm | 40 mm |
| Matter | - | Yes |
| Voice assistants | - | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 3.8 in (97 mm) | 4.1 in (103 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 6,400 mAh |
| Run time | - | Up to 4 h |
| Weight | - | 8.6 lb (3.9 kg) |
| Warranty | - | 1 year |
| Released | 2025-10 | 2024-10 |