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Jolii AI

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Language-learning app that teaches through Netflix, YouTube and music with dual subtitles and AI practice.

What it does

Jolii AI is a video-based language learning app that layers dual subtitles, real-time translation, and AI-driven exercises over content from Netflix, YouTube, movies, and music. It adapts lessons to the learner's level and includes an AI chatbot for speaking and pronunciation practice.

Core features

Dual subtitles and real-time translation on video
AI-personalized exercises by level and goals
24/7 AI chatbot for conversation practice
Pronunciation feedback
Vocabulary from song lyrics with phonetics
Multiple languages (English, Spanish, French, German, etc.)

Best for

Learn a language while watching Netflix or YouTube
Practice speaking with an AI tutor
Improve pronunciation through music
Build vocabulary in context
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