Fortress of The Muslim (Hisn Almuslim) - The book contains the remembrances of the Prophet Muhammad, may God’s prayers and peace be upon him, in various places of daily life, and it is one of the most popular Islamic books for the ease of his style and his commitment to the correct of hadiths. * Hisn Almuslim is a free application. Application features: • A perfect application to memorize Islamic remembrances for daily uses. • Search suggestions to help find what you need to read. • Bookmarks