Hristiyan Ses is an iPhone app developed by HeartCry Missionary Society Apps, available for free in the Education & Reference category under Books. This app offers a wide range of Christian audiobooks in Turkish, aiming to educate users about Christianity, its history, and the Christian way of life.

Users of Hristiyan Ses can explore topics such as the teachings of the Bible, Christian life, and church history through the collection of audiobooks available. The app allows users to not only listen to audiobooks but also read accompanying PDFs, download content for offline listening, build a personal library, and track listening progress.