Imagine that special educational services such as online observation of the sky and online microscope along with more than 900 diverse skill courses in 49 branches of skill training and lessons, lessons and school experiments, online classes and webinars from beginner to expert level are available in one place on the application. be you And all this is available to you unlimitedly with just one "free" monthly subscription. This is Master App. In Master App, you can use the free or subscription courses and events of the app. Then, if you wish, get unlimited access to all educational content and various services of Ostad App with a "free" subscription.

- Ostad App offers the first online sky observation program, online microscopic observation and online laboratory.
- Ostad App covers more than 900 different skills and courses from beginner to expert level.
- In 49 educational categories, including school and entrance exam, management and business, information technology, programming and computer, astronomy and basic science, robotics, art, music and crafts, English language, startups, psychology, family and child. Cooking, audio books and sports.
- Master App offers lessons and main tests and tests for the first to twelfth grades.
- Ostad App has daily trainings, webinars, radio and television programs.
- In Master App, you use the free or subscription courses of the app.
- Then, if you wish, get unlimited access to all educational services of Ostad App with a very cheap subscription.
- Internet use of Ostad App is half price.
- The possibility of issuing educational certificates is considered for selected courses.