The Android app which has gone free next as myAppFree app of the day is Root Checker Pro. This application will allow the user to confirm they have proper root ( superuser ) access and a proper BusyBox installation.
It is very fast , simple and easy to use. This app provides you a simple method to check your device for root (administrator, superuser, or su) access.
With Pro version, you can even check if Super User apps are working properly. And you know what? Today , pro features are FREE thanks to myAppFree!!
[appbox googleplay com.joeykrim.rootcheckp&hl=en]