The app is not affiliated with any government agency. The application includes: 1. Demo version of the Unified State Examination in the Russian language in 2025 with the ability to instantly check the results. 2. Training options for all tasks of the first part with the ability to instantly check the results. 3. A textbook with theory and practice on all topics of the Unified State Examination codifier in the Russian language. 4. Reference materials, including a spelling dictionary, a diction