Онлайн автошкола Час (Online Driving School "Chas") is an educational mobile application designed to help users prepare and improve their driving skills. It offers video lessons on traffic rules with modern 3D graphics, online training tests, and an option to take exams and get certified by the Ministry of Internal Affairs. The app has over 192 video lessons covering various topics such as road safety, medical assistance in case of accidents, and practical driving tips. It also provides more than 2000 questions on traffic rules and a detailed analysis of errors made during the tests. Users can track their progress and readiness level for the theoretical exam with the app's statistics feature. The app is available for free and has a referral program that rewards users with cashback for sharing the app with friends.