Жития святых на каждый день is an iPhone app developed by Russian Language Center Limited. This free app falls under the Education & Reference category and specifically the Books subcategory.

The app serves as a calendar and contains brief biographies of over 1500 Christian saints. It also includes descriptions of the twelve major holidays and revered icons of the Virgin Mary. Many of the narrations are accompanied by icons.

One of the key features of the app is the ability to search for a saint by name. Users can also save icons and copy text from the biographies. The app functions offline, allowing users to access the content without an internet connection.

Overall, Жития святых на каждый день provides a convenient way for users to learn about Christian saints and their lives. With its comprehensive collection of biographies and offline functionality, it is a useful tool for those interested in exploring the lives of saints.