Watch any YouTube video or local video file, click on unfamiliar words in the subtitles, and build your vocabulary.

Watch anything. YouTube videos, TED Talks, series, hobby tutorials, or local video files with subtitles.
Click on any word in the dual subtitles (original + translation). Instantly get the translation, definition, and add the word to your personal vocabulary.

Example of the app interface: dual subtitles with clickable words
Level up both your language skills and your interests. The spaced repetition system and your personal word collection will help you remember everything you learned from your favorite videos.
Study a language through your interests. IT, cooking, gaming, science, travel — choose any topic. Your motivation will always stay high.
Not just English. Dozens of languages are supported. Learn Japanese through anime, Korean through dramas, or Spanish through series.
Words stick on their own. You see a word in a specific scene, hear the intonation. This creates strong neural connections that rote learning lacks.
YouTube and your files. Not tied to a single platform. Watch online content or upload your own videos with subtitles (SRT, VTT).
Curated collections of videos and playlists will help you find the perfect content for your level.
Click on any word to see an instant translation. Subtitles in the foreign language and your native language work together to accelerate your learning.
Learn English, Chinese, Spanish, French, German, or any other language.
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Full access to all features without restrictions