İDDEF is a social and communication app available on Android platform. Developed by İnsana Değer Veren Dernekler Federasyonu, it is a free app that aims to spread the message of the İsmailağa Cemaati and its teachings. In addition, the app provides information about the medrese system and various humanitarian aid activities carried out by the organization.

The app has a user-friendly interface and is compatible with Android 9.0. It provides access to a wide range of content related to the İsmailağa Cemaati, including sermons, lectures, and other religious teachings. Users can also access information about the various social and humanitarian activities carried out by the organization.

Overall, İDDEF is a useful app for those interested in the teachings of the İsmailağa Cemaati and its humanitarian activities. It provides a wealth of information in a user-friendly interface and is a valuable resource for anyone interested in the work of İnsana Değer Veren Dernekler Federasyonu.