DI-class is a language learning app available on Android. It offers courses in English, French, Italian, and Russian based on the programs of the Derzhavin Institute. Before starting a course, you can take a test to determine your language proficiency level. The app features exercises and tests to help you learn and improve your language skills.

DI-class is a free app that does not include in-app purchases or ads. It is a great way to learn languages online without any hidden payments. The Derzhavin Institute, founded in 2003, is a leading educational institution in St. Petersburg for teaching foreign languages. In 2014, the institute's high teaching standards were confirmed by the international association of foreign language schools, EAQUALS.

The app offers language exercises that match your proficiency level, making it easy to learn and improve your language skills. You can use the app to learn languages while waiting in line, commuting, or during any other free time. The app supports the European language proficiency levels of A1, A2, B1, B2, and C1, with sub-levels within each stage corresponding to the program adopted by the Derzhavin Institute.

Download DI-class today and start your language learning journey with confidence!