Arabic Calendar is a free Android application developed by Mutho Soft that offers a dual calendar of Hijri and Gregorian (English) dates. It also features daily Muslim prayer times and a range of tools to assist Muslims in their religious activities.

Users can adjust the prayer times based on their location and method, while also being able to adjust the Hijri date. The app also provides an Athan reminder for every Wakth, a daily Salat Tracker, and the ability to listen to Quran recitation.

In addition to these features, Arabic Calendar also offers Ramadan times, a Tasbeeh, and a comprehensive list of the 99 names of Allah and their meanings. The app includes a widget to display upcoming two prayer times, highlighted important Islamic dates, and the option to set event reminders for birthdays, anniversaries, pubic hair-shave, and more.

Overall, Arabic Calendar is a useful and comprehensive tool for Muslims looking to keep track of their religious activities and important dates.