If you're looking to improve your Russian grammar, Ударения орфоэпия ЕГЭ is the app for you. Developed by Gramotnee.ru, this free Android app helps users learn how to correctly place stress in difficult words, expand their vocabulary, and prepare for the Russian language section of the ЕГЭ exam.

The app features tests that help users memorize the stress placement in complex Russian words that are often confused. The tests are designed to help users learn the correct pronunciation of words and expand their vocabulary. The app also includes an orthoepic dictionary that can check the stress placement of any word.

Whether you're a Russian language learner or preparing for the Russian language section of the ЕГЭ exam, Ударения орфоэпия ЕГЭ can help you improve your grammar and vocabulary. The app is easy to use and all words are available for free, without the need for an internet connection.