
Worx SteamStorm
Score: 74/100
Koutop Steam Cleaner
Score: 73/100Rankings

The Worx WX770L.9 offers industry-first cordless convenience with an 8-second heat-up and 220°F steam for quick sanitizing. Its drawbacks include a separate-sale battery, limited runtime, and a modest 260 W power output. Ideal for users who need portable, spot-cleaning power without a cord.

The Koutop handheld steamer heats up in 15 seconds, delivers 105 °C steam at about 3.45 bar pressure, and includes a 1400 ml tank plus 16 accessories for versatile cleaning. Limitations include missing power and warranty details and a relatively heavy build. Suited for occasional home and car cleaning where portability and quick start-up matter.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 8 secondsbest | 15 seconds |
121.25 ml | 1,400 mlbest | |
16 minutes | 45 minutesbest | |
104.44 °C | 105 °Cbest | |
— | 3.45 barbest | |
| ↓ lower better | 260 Wbest | — |
| ↓ lower better | 907.185 gbest | 2,268 g |
— | 1.5 mbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Heat‑Up Time (seconds) | 8 seconds | 15 seconds |
Continuous Steam Time (minutes) | 16 minutes | 45 minutes |
Power(1) | ||
Steam Temperature (°C) | 104.44 °C | 105 °C |
Accessories(1) | ||
Number of Accessories | 5 | 16 |
Design(1) | ||
Water Tank Capacity (ml) | 121.25 ml | 1400 ml |
General(2) | ||
Weight (g) | 907.185 g | 2268 g |
Overall Dimensions (L×W×H) | 7.6×19.1×19.1 cm | 14.48 x 15.98 x 19.99 cm |


Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors note that the WX770L.9 stands out as the first cordless handheld steam cleaner, emphasizing its rapid 8-second heat-up, lightweight construction, and 99.9 % germ-kill capability. While they praise its portability and chemical-free cleaning, they also point out the lower wattage and limited runtime compared with traditional corded models.
The Worx WX770L.9 is praised for its cordless design, rapid preheat, and effective germ-killing steam, though users note the battery must be purchased separately and the runtime is limited.

