Adhan and Duaa is an Android application developed by dimach.cassiope, available for free in the Education & Reference category under SubCategory Books. The application is designed to teach and allow users to listen to the Adhan, the Islamic call to prayer, recited by different muezzins at prescribed times of the day.

The Adhan is divided into parts that can be listened to several times, and the application provides translations and transcriptions, which can be disabled in preferences. Additionally, the application also includes the Duaa, a supplication recited at the end of the Adhan. With Adhan and Duaa, users can learn and experience the beauty of the Islamic call to prayer.