Learn languages with videos, music & audiobooks

Tap any word for an instant translation. Save vocabulary as flashcards. Turn the content you love into your personal language classroom.

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Fluency app home screen showing video feed

Watch videos with interactive subtitles

Browse thousands of videos — from kids' shows to news and sports. Every word in the subtitles is tappable, so you can look up translations and save vocabulary without leaving the video.

Video player with interactive subtitles

Listen to songs while reading along

Music is one of the fastest ways to internalize a language. Follow along with synchronized lyrics, tap words you don't know, and let the rhythm carry you to fluency.

Music player with synchronized lyrics

Immerse yourself in audiobooks

Choose from a growing library of audiobooks with tap-to-translate, chapter navigation, and word saving. Stories are available at every level — from beginner to advanced.

Audiobook reader with tap-to-translate

Discover stories you'll love

Browse a curated library of picture books, chapter books, and more — all designed for language learners. Each story comes with audio narration and built-in translations.

Books library with featured stories

Bilingual children's books

Perfect for kids and beginners. Read beautifully illustrated picture books with side-by-side translations. Audio narration helps with pronunciation, and every page is a new adventure.

Bilingual picture book reader

Review with spaced repetition

Every word you save becomes a flashcard. Fluency's spaced repetition system brings words back at the optimal time so they stick in your long-term memory.

Flashcard review screen

Track your progress, build a habit

See your active days on a calendar, build streaks, and celebrate your consistency. Miss a day? No worries — just pick right back up. Learning should be fun, not stressful.

Activity tracking with streak calendar
Luna the Fluency mascot

Meet Luna

Your friendly learning companion. Luna is here to support you on your language journey — celebrating your milestones, cheering you on, and making the experience feel a little more personal.

Don't worry, she's friendly. 🐾

Supported languages

Choose your language and start learning with content you actually enjoy.

🇬🇧English
🇪🇸Spanish
🇫🇷French

Start learning for free today

No subscriptions, no ads. Just real content in multiple languages, right at your fingertips.

Download on the App StoreGet it on Google Play