كتاب تهذيب اللسان is an Android application designed to teach the proper pronunciation of Arabic letters. Created by مراكز العلم والعرفان الخزنوي لتعليم القرآن الكريم, this free educational app is aimed at helping learners of all ages and backgrounds acquire essential language skills. The app follows a scientific methodology that includes detailed explanations of how to produce each letter sound, accompanied by examples. With كتاب تهذيب اللسان, students can easily learn the correct mouth and tongue positions for each letter, which is a fundamental step towards reading the Holy Quran fluently.

The app is compatible with Android 9.0, making it accessible to a wide range of users. Whether you are a beginner or an advanced learner, كتاب تهذيب اللسان is an excellent tool for mastering Arabic pronunciation.