4. Sınıf Test Çöz Tüm Dersler is an Android application designed for elementary students that offers online tests, notes, and instructional videos for Math, Turkish, Science, Social Studies, English, and Religious Culture courses. The tests are prepared unit by unit and topic by topic, and after solving them, students can view their statistics to identify their weak areas and work on them.

The application offers a "pen" icon on the test screen to perform operations on questions. Moreover, after completing the test, the app displays the number of correct and incorrect answers, the score, and the time taken to finish the test. The "My Statistics" button on the main menu provides information on the user's success status in each course, and the colors of the subjects indicate whether the student scored above or below 70 points. The app does not collect personal data and is free to use without registration. The student can remove the ads and view the results of previous tests.