Al-TasseeS Al-Saleem is an interactive educational app designed to teach students reading, writing, Arabic, English, French, and math in a fun and engaging way. This app is like a complete course for students to learn the Arabic and English alphabet, writing, and numbers, as well as the French language from scratch to mastery. It's also an excellent tool for preschoolers and elementary school students to learn the basics before going to school. The app consists of six sections, including learning Arabic and English letters and writing, learning Arabic and English numbers, learning French, memorizing Quran, and learning math (addition, subtraction, multiplication, and division). In addition to these, the app provides animal names and sounds, English and French vocabulary, and tests to measure the student's language proficiency. Al-TasseeS Al-Saleem is a free app that does not require an internet connection, making it accessible to everyone, everywhere.