The application of the Khaqani system by Imam Abu Muzahim Musa bin Ubaidullah bin Khaqan presents one of the prominent works in the science of Tajweed. This system is considered one of the first works that organized the rules of Tajweed in a poetic style that is easy to memorize and comprehend, which made it an essential reference for specialists and students in studying the provisions of recitation of the Holy Qur’an. The application contains multiple features that contribute to improving the reading and learning experience, such as the zoom in and out feature that allows the user to adjust the text size to suit his needs, in addition to the dark and light mode feature that gives the user the freedom to choose the most appropriate lighting mode for the comfort of his eyes while reading. This application is considered a practical and useful tool for anyone who wants to learn and teach the science of Tajweed in an organized and easy-to-use manner.