The application of “Nizam al-Rawa’ al-Fiqhiyyah” by Sheikh Abdul Rahman bin Saadi provides an important reference for everyone who seeks to understand the rules of jurisprudence in a simple and accessible manner. The systems deal with a set of jurisprudential rules that help Muslims understand the legal rulings and apply them in their daily lives, which makes it easier for them to distinguish between the different rulings. The application provides many effective features that enhance the user experience, such as the text search feature that allows quick access to the required parts, in addition to the ability to customize the text size to ensure reading comfort. The application also contains day and night mode options, providing additional eye comfort in different lighting conditions. In addition, the application provides the feature of listening to audio text, providing an interactive learning experience that makes the content easy to understand. This application is an ideal tool for anyone who wants to enhance their knowledge of jurisprudential rules and their applications in an organized and enjoyable way.