Коды домофонов is an offline guide for opening intercoms of various manufacturers with the help of special codes. It includes well-known intercoms such as Cyfral, Метаком, Vizit, Eltis, DomoGuard, T-Guard, Факториал, Барьер, Rainmann, Импульс, Форвард, КС-домофон, Камсан, Строй Мастер, Keyman, Pro, and Аркадес. The app offers a voice assistant feature that enables users to open any intercom with the help of current codes or specially prepared phrases such as doctor, newspaper delivery, courier, cable TV worker, postman, pizza and sushi delivery, plumber, guest to neighbors, electrician, and carpenter. Additionally, the app has phrases with apartment numbers designed to answer the question, "Which apartment are you in?" All phrases are available in male and female versions. The Pro version of the app includes photos of all intercom models for more detailed viewing and an integrated flashlight for more comfortable use.