Islamic Calendar is an Android app developed by R Softs that provides daily Muslim prayer times along with a dual calendar (Hijri and Gregorian). The app also features Athan notifications whenever a wakth arrives. Users can add an app widget to their home screen to view the upcoming two prayer times. Additionally, the app offers several other useful features such as Qibla Direction, The Quran Recitation, Periodic events and event reminder, and Personal Income and Expenditure Manager.

The app's user interface is simple and easy to navigate, making it accessible for users of all ages. The prayer times are accurately calculated based on the user's location, and the app also allows users to choose their preferred calculation method. The Qibla Direction feature is also accurate and easy to use. The app's other features, such as the Quran Recitation and Personal Income and Expenditure Manager, are also well-implemented and useful.

Overall, Islamic Calendar is a great app for Muslims looking to keep track of their daily prayer times and stay connected with their faith. The app's additional features make it a versatile and useful tool for everyday use.