زاد المعاد في هدي خير العباد is an Android application featuring a significant and useful book for all Muslims in the field of Sufism, asceticism, and religious sciences. Authored by Ibn Qayyim Al-Jawziyya in five volumes, the book covers jurisprudence, its fundamentals, biography, history, and details the Prophet's ﷺ biography in his expeditions, life, lifestyle guidance, worship practices, and interactions with companions and adversaries. Despite writing it while traveling without sources, Ibn Qayyim included authentic Prophetic traditions from various sources, meticulously referenced in the book.

This book has seen numerous editions, some critically edited and annotated by scholars like Shuayb and Abdul Qadir Al-Arna'ut. One of the recent editions is by Dar Al-Fawaid, which rectified printing errors from previous editions.