Duolingo is a world-renowned language learning application designed to help users learn different languages in a gamified way.

Key Features

• Fragmented learning: Duolingo's courses are designed to be short and concise, making it easy for users to learn in their spare time.
• Gamification experience: Through completing tasks, breaking through levels and upgrading and other gamification elements, the learning process becomes interesting and efficient.
• AI technology support: GPT-4 technology has been introduced to optimize the learning experience by providing functions such as AI role-playing and explanation of answers to questions.
• Personalized Courses: Using self-developed AI models to achieve course customization, providing personalized learning content according to the user's learning progress and ability.

Price（non-real-time）

• Free to use: Duolingo provides basic language learning courses that are free to use.
• Duolingo Plus subscription: $6.99 per month for more advanced features such as no ads, extra learning materials, etc.
• Duolingo Super subscription: priced at $12.99