Lux Light Meter

Waldau Webdesign

Contains ads

About this app

Lux Light Meter is a simple light meter for measuring illuminances by using the light sensor of your device. The light intensity is shown in lux and fc.

Key Features of Lux Meter:
✓ 100% free
✓ no in-app purchases
✓ supports lux (lx) and foot-candles (fc)
✓ choose primary unit for the light intensity
✓ calibrate your device with the multiplier
✓ shows the minimum, maximum and average value of a light metering session
✓ hold button that paused your current light intensity metering
✓ multi language support
✓ reset the minimum, maximum and average light intensity value
✓ keep screen on option
✓ multi language support

The light intensity values shown in this application are indicative and depend on your device. Some devices does not have a light sensor or the accuracy varies and therefore neither guarantee nor assume responsibility for the accuracy of the information.


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Icons made by Flat Icons is licensed by CC 3.0 BY

Ratings and reviews

Best of many free light meter apps tried. Ads are a bit more intrusive (fullscreen at startup) than with some alternative apps (small banner). But layout is superior in many ways: showing mean & median values since reset as well as both lux & foot candles all readable at a glance. My Samsung reads similarly to a calibrated meter under some conditions, but is mostly useful only for relative comparisons not absolute measurements. Still very useful.

Appears to be either broken or spammy or malware. On startup it first showed four introductory screens, indicating that calibration with a reference device was necessary. Then it continued directly to an entire screen of what appeared to be animated adds. I never even tried out its functionality after that - too afraid that I'd "catch something".

it's ok but for some reason it measures a new data point only when the lux changes, not over a set unit of time. This makes it difficult to compare to active change in light over time.