Siyerüs Sahabe (Sahabe Hayatları) is an Android application developed by Siyerüs-Sahâbe. This free app falls under the Education & Reference category and is a comprehensive book on the lives of Companions. The app provides detailed information on the Companions of the Prophet Muhammad (PBUH) in an easy-to-understand format.

The developer has put in 20 years of hard work to create this project. Each page of the app contains a summary of the information available on the Companion, along with their life story, from their birth or childhood, to their conversion to Islam, marriages, and family members. The app also includes anecdotes and examples from the life of the Companions, making it a valuable resource for Muslims who want to learn more about the Companions of the Prophet Muhammad (PBUH).

It is worth noting that the app has been translated into Turkish, and the developer has made sure to avoid any spelling mistakes or pronunciation errors that could alter the meaning of the Companion's name in Turkish. The app is a great resource for anyone interested in learning more about the Companions of the Prophet Muhammad (PBUH).