8. Sınıf Test Çöz Tüm Dersler is an Android application developed by TMD Apps that provides online tests, notes, and instructional videos for 8th grade students. The app includes tests from various subjects, including Mathematics, Turkish, Science, History, English, and Religious Culture. The tests are divided into units and topics, and statistics can be viewed after completing each test. This feature allows students to identify their weak subjects and work on them more.

The application also includes a feature that enables students to perform operations on questions by clicking on the "pen" icon. After completing the test, the app displays the results, including the number of correct and incorrect answers, the score, and the time taken to complete the test. The "Statistics" button on the main menu shows the user's success rates in each subject and unit. Moreover, the app does not require any personal information to be provided, and it is suitable for children.