The application of “Matn Ibn Ashir (called the designated guide to the essential sciences of religion)” by Abu Muhammad Abd al-Wahid Ibn Ashir is an important and useful reference for every Muslim seeking to understand the basics of Islamic religious sciences. This text addresses a group of jurisprudential and doctrinal issues in a simplified and accessible manner, which helps students and beginners learn in an organized manner. The application contains a set of useful features, including a list of contents that facilitates navigation to different sections or chapters, in addition to the bookmarks feature that enables the user to save important pages for later reference. There is also a text search option to facilitate quick access to the required information. Users can customize the text size to ensure reading comfort, and choose day or night mode depending on their preference. In addition, the app includes an audio text listening feature, providing an interactive learning experience for users. This application is an ideal tool for enhancing religious knowledge in a fun and accessible manner, making it a valuable companion on your learning journey.