Root Checker is free light-weight app to verify if your Android device has proper root (superuser or su) access. This root checker app is extremely light-weight, fast and easy to use. No more going behind regular root checker apps that provide inaccurate info about root info about your android root. With this “Root Checker” app, you will find the most accurate root info for your device.

Demo: https://codecanyon.net/item/root-checker-and-busy-box-checker/19896694