The latest update of the app was launched on Jul 18, 2015 and this application has been set up by over 50K users. Battery Saver displays ads. Samsung and LG users highly appreciate this application.
Get the .apk installer of Battery Saver 3.0 that is absolutely free and have a look at users' reviews on Droid Informer. This application setup package requires 4 MB to be successfully installed. The app is built for Android 4.0 and above.
As users see it, the advantage of the app is a best battery saver.