A full version app for Android, by Who Is On My WiFi Network.
Digital Tasbeeh Counter is a free app for Android devices that lets you count your prayers and the days that you have done them. You can also listen to the Quran, and read the text with the help of a voice reader. The app can also count the days that you have left to live.
The app is also a good source of information for the Muslims who are in the situation of needing to know the prayer times and the days that they have been done.
The application is very easy to use and allows you to select the type of prayer that you are doing.