Learn languages from real content you love
Import YouTube videos, podcasts, and articles. Select any word or phrase to save it as a card. Chat with Lisa — your AI language coach — in your own language.
For those who take language seriously
Learning a language is one of the most demanding — and most rewarding — things you can do. Zenzu is built for people who understand that.
Zenzu is for you if…
- You believe real fluency comes from engaging with authentic content
- You're committed to daily review, even on hard days
- You have ambitious goals: reading a novel, working, or living in another language
- You want tools that respect your memory, not just your screen time
It's not for you if…
- You're looking for a game with streaks and virtual trophies
- You expect to speak fluently after a few casual sessions
- You need gamification to stay motivated
Everything you need to learn
One app for all your language learning content. Import what you love, learn what matters.
Lisa — Your AI Coach
Ask Lisa for study plans, word explanations, or daily reviews. She replies in your language — English, Ukrainian, German, Spanish, French, or Portuguese.
YouTube Videos
Watch with a live transcript. Tap a word or select a phrase — Zenzu saves it as a card with full sentence context and native pronunciation.
Podcasts
AI-transcribed episodes you can read while you listen. Select any phrase to capture it as a card with pronunciation on every word.
Starter Decks
18 hand-curated decks from A1 to C1 — everyday essentials, business, academic, science, idioms, and more. Deck names adapt to your interface language.
Interface in 6 Languages
Use the app in English, Ukrainian, German, Spanish, French, or Portuguese. Learn from your native tongue, not through English.
AI Courses
Personalized grammar and vocabulary lessons for English, German, French, and Spanish — A1 to C1. Exercises adapt to your level.
FSRS-5 Spaced Repetition
Science-backed algorithm schedules reviews at the optimal time. Remember words forever.
Native Pronunciation
Cloud TTS for every word and sentence. Hear how it sounds from day one.
Import from Anywhere
Text, photos, articles — paste or snap anything. AI extracts vocabulary matched to your level.
Three steps to fluency
Real content. Science-backed repetition. Vocabulary that actually sticks.
Import content you enjoy
Paste a YouTube link, search for a podcast, or snap a photo of text. Zenzu handles the rest.
Tap words or select phrases
See instant translations. Lisa shows context, examples, and pronunciation. Phrases save with automatic cloze deletion.
Review with spaced repetition
FSRS-5 algorithm schedules your reviews at the optimal moment — so every minute you invest counts.
Words from those who knew
To have another language is to possess a second soul.
— Charlemagne
The limits of my language mean the limits of my world.
— Ludwig Wittgenstein
One language sets you in a corridor for life. Two languages open every door along the way.
— Frank Smith
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