2. Sınıf 3. Sınıf 4. Sınıf Tüm is a free educational app that provides video lessons and online tests for all classes. It is developed by Tüm Dersler Testler and is available on the Android platform. The app is a great way to prepare for school exams and quizzes. The tests are interactive and provide a feature to make notes while solving them. You can also share your completed tests with your friends.

The app contains video lessons and tests for all subjects of 2nd, 3rd, and 4th grade. The subjects include Mathematics, Turkish, Science, Social Studies, English, Life Skills, and Religious Studies. The video lessons are informative and provide a comprehensive understanding of the topics. The tests are designed to improve your knowledge and problem-solving skills.