Byzantine Ison is a multimedia application designed specifically for iPhone users, providing a unique experience in listening to Byzantine ison (isokratema) with natural vocals. This app stands out as the only one of its kind, allowing users to explore the rich tradition of Byzantine music in an accessible format.

The application is available for free and falls under the music and radio category. It serves as a valuable resource for those interested in Byzantine chants, offering high-quality vocal recordings that enhance the listening experience. Byzantine Ison is ideal for both enthusiasts and newcomers seeking to immerse themselves in this distinct musical heritage.