Zenzu
AI-powered language learning

Learn languages from real content you love

Import YouTube videos, podcasts, and articles. Tap any word to translate. Build flashcards with AI-powered spaced repetition.

🇬🇧 🇩🇪 English · German | 🇫🇷 🇪🇸 🇵🇹 French · Spanish · Portuguese — coming soon

Everything you need to learn

One app for all your language learning content. Import what you love, learn what matters.

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YouTube Videos

Watch with synced subtitles. Tap any word to see translation instantly. Add to your deck with one tap.

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Podcasts

AI-transcribed episodes with word-level highlighting. Follow along as you listen and learn.

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AI Courses

Personalized grammar and vocabulary lessons generated by AI. Exercises adapt to your level.

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FSRS-5 Spaced Repetition

Science-backed algorithm schedules reviews at the optimal time. Remember words forever.

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Native Pronunciation

Cloud TTS for every word and sentence. Hear how it sounds from day one.

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Import from Anywhere

Text, photos, articles — paste or snap anything. AI extracts vocabulary matched to your level.

Three steps to fluency

No textbooks. No boring drills. Just content you actually want to consume.

01

Import content you enjoy

Paste a YouTube link, search for a podcast, or snap a photo of text. Zenzu handles the rest.

02

Tap words to learn

See instant translations. AI shows you context, examples, and pronunciation. Add words to your deck in one tap.

03

Review with spaced repetition

FSRS-5 algorithm schedules perfect review timing. 5 minutes a day keeps your vocabulary growing.

Start learning from content you love

Free to start. No credit card required. Import your first video or podcast in seconds.

Get started for free