In the name of Allah, the Most Merciful, the Most Compassionate

When ye have performed the act of worship, remember Allah, standing, sitting and reclining. And when ye are in safety, observe proper worship. Worship at fixed hours hath been enjoined on the believers.
4:103

Islamic Prayer Times is an application for calculating Muslim prayer times all over the world.
The application calculate your prayer times with a high accuracy based on your current location and your device time zone settings.

With Islamic Prayer Times you can locate the Qibla direction with high precision.
Islamic Prayer Times has a variety of settings regarding Azan notification and sound, you can select between Mecca Azan and short Azan sounds.

Islamic Prayer Times gives you the chance to change the Azan settings for each prayer individually without affecting the other prayers Azan settings.

Islamic Prayer Times offers you different methods for calculating prayer times: Umm al-Qura, Makkah, University of Islamic Sciences, Karachi, Muslim World League (MWL), Islamic Society of North America (ISNA) and Egyptian General Authority of Survey.
Also you have two methods for Asr prayer Shafie and Hanifi.

Use Islamic Prayer Times and keep on your prayer times.