Use APKPure App
Get Rex Light Meter old version APK for Android
Rex Light Meter can measure incident-light, help you improve photography skills
Rex Light Meter is a very easy to use, very touch friendly incident-light meter application
You just need put the light sensor on your phone towards the light source, and press the "Measue" button, we can caculate the Lux(Luminance), EV(Exposure value) and show you the exposure settings
The accuracy of measurement depends on the sensor of your device
NOTE:
The permission for Internet Access is for anonymous usage tracking, you can disable it in settings page