زاد المعاد - ابن قيم الجوزية is a free Android application developed by marqoom.org. This app falls under the Education & Reference category and is a book subcategory. The program is called "زاد المعاد في هدي خير العباد" and was written by Muhammad ibn Abi Bakr ibn Qayyim al-Jawziyya. The book is a unique collection of the Prophet Muhammad's sayings, actions, and reports. It covers his life in its entirety and offers a comprehensive guide to Islamic jurisprudence, manners, and beliefs. The author's methodology is clear and straightforward, and he has used the approach of scholars in correcting and weakening narrations. The book is an exceptional resource for anyone looking to learn more about the Prophet Muhammad and Islamic teachings.