Interactive English Teaching and Learning Based on Mobile Application

English is a universal language used worldwide as the primary language. Learning English can open more opportunities for someone to get involved with the international world. In Indonesia, English is not the primary language, but English still occupies an important position in daily life. For some students, English is not something easy to learn, and they constantly face difficulties such as lack of self-confidence, hard to understand grammar, and hard memorize English vocabulary. The author developed an Android application to help high school students to learn English. This application contains theory for grammar, English vocabulary to memorize with a track record, and a chatbot to increase self-confidence to speak in English. Interactive English Learning Application has user’s status to track how far users have already learned English and helped with quizzes. This application was developed using flutter as its front-end, MySQL as its database, and PHP as the backend.