حساب المعدل (Grade Calculator) is a free Android application developed by Abdulrahman Al-Ghamdi. It is an essential tool for university students that helps them calculate their grades accurately. The app is available in both Arabic and English, depending on the device's language. It is also equipped with a night mode feature that can be enabled through the app's settings.

The app's features include calculating the semester and cumulative GPA, as well as an unlimited number of courses. The interface is user-friendly, with easy-to-use tools that allow students to input their grades and credit hours. In case of any issues or support, the app has a built-in email support system.