The free version of the Rude Practice Pad. This app will: Show notation of all 40 official rudiments, with name and order according to PAS. Visually indicate where you are in the pattern, synchronized with the built-in metronome. Keep the tempo using the most accurate metronome engine available on Android. Allow tempo adjustments between 20 and 240 BPM.
You can get the .apk installation package of Rude 0.8.0 for free and take a look at users' reviews on Droid Informer. This file size doesn't exceed 41 KB and the app can be launched flawlessly on Android 1.6 and higher. This application has been scanned for viruses and it has been found totally secure. Skrivarna Software is the official developer of the tool that can be found in the Music & Audio category.