Sheyvash is a free multimedia app developed by Seyed Mohammad Najafi, designed to provide a collection of content related to "Ahl-beit-esmat." The app contains a variety of speeches and Maddahi, presented in the form of sound and video. The app is available on both iOS and Android platforms, and it supports Persian, Arabic, Turkish, and English languages.

The app is well-organized with easy-to-use features, and it offers a vast collection of content on Ahl-beit-esmat. The app provides an excellent user experience with its simple and intuitive interface. The app's content is classified into different categories, making it easy for users to find the content they are looking for. Moreover, the app allows users to create their playlists and save their favorite content for later listening.

Overall, Sheyvash is an excellent app for anyone interested in Ahl-beit-esmat content. The app provides a vast collection of content in different languages, making it accessible to a wide range of users. With its user-friendly interface and easy-to-use features, Sheyvash is an app worth checking out.