The Hijri Calendar Pro app provides users with a dual calendar experience, displaying both Hijri and Gregorian dates simultaneously. It allows for easy conversion between the two calendar systems and includes detailed information on Islamic occasions and holidays. The application features a fully Arabic interface with support for Arabic numerals, along with educational content about Islamic history and the calculation of Hijri dates.

In addition to its core functionalities, Hijri Calendar Pro offers advanced features such as eight different calculation methods for the Hijri calendar, including the Umm al-Qura and Egyptian calendars, among others. Users can customize settings like the display style of numbers, weekend preferences, and even adjust the Hijri calendar by a couple of days. The app is lightweight, operates offline, consumes minimal battery, and receives regular updates to enhance user experience.