Prayers time alarm is a free App for any Android device that developed by isbsoftsolution
It consists of simple interface with lot of features, first of all it will detect your location auto and calculate the prayers timing according to your area, you can also change it latter according to your needs.
Second main feature is an option of Asr Prayer Juristic Setting, there are two options, one is Hanfi (Recommitted) and second one is Shafi, there is a little bit difference of timing of Asr Prayer, so select the option which one is best for you.
By default Prayer is playing during prayers time, where user have an option to play any ring tune in their device and also play random ring tune.
Their is an option of acceding volume, which will play azan or ring tune initially with slow volume and increase volume slowly every ten second to gently wake you up.
In this App you have an option to choose time format, two options is there, one is 12hrs and second one is 24hrs.

App has an option of Ramzan Alarm, you can select the timing before Sahr or iftar to notify you with alarm. e.g before or after sahri or iftari 15 minutes, 30 minutes, 45 minutes or 1 hrs.

Use it and pray Namaz and don't forget to share with your friends.