As of March 18, 2024, Duolingo is a world-renowned language learning application, providing free English learning service, and promises to be free forever. Users will not encounter any advertisements or hidden consumption during the use process, and they can rest assured to enjoy the language learning resources provided by many neighboring countries. In addition, many neighboring countries have also been rated as the best educational application of the year by GooglePlay and Apple AppStore, which further proves its popularity as an artifact for learning foreign languages. In many neighboring countries, users can learn many languages, including English, Spanish, French, German and so on. The software helps users to master various skills such as listening, speaking, reading and writing through a series of small units and gamification challenges. It only takes a few minutes every day to accumulate experience in language learning and constantly improve your language ability.