It displays the light intensity based on the light sensor. Through the front camera it displays the measured area. It doesn't require special permissions, doesn't contain ads. The intensity of illumination in lux indicative EV
Get the free .apk file of Light meter 0.4 and have a look at users' reviews on Droid Informer. The installation package takes up 364 KB on disk and it runs on Android devices 2.3.3 and higher. The app was scanned for viruses and it was found 100% secure. Dlax is the creator of this application which belongs to the Tools category.
The most recent update was on Jul 25, 2013 and Light meter was downloaded and set up by over 50K users. People rated the app 3.9 on Google Play.