Geographygrades is an educational atlas for Android, developed by Oleksandr Avoyants and available for free. The app consists of 52 maps divided into several sections, covering various aspects of geography such as political and physical maps of the world, world population, interaction between society and nature, world economy, global problems, and economic maps of different countries.

Each section of the app contains detailed information about the topic, along with relevant photos, summaries of the training material, and tests. However, it is important to note that the captions on the images are only available in Ukrainian. The app is designed for students in gradesand provides a comprehensive overview of the subject matter.

Overall, Geographygrades is an excellent resource for students who want to learn about geography in an interactive and engaging way. The app is easy to use and provides accurate and relevant information on various topics.