Lengu
A fun way to learn a language
Learn vocabulary with flashcards, speaking, writing and quick-match exercises. Track your progress and learn offline across 16 languages.
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Features
Everything you need to master new vocabulary and reach your language goals
Core Features
Vocabulary by Category
Browse thousands of words organized into categories — greetings, food, travel, business, and more — so you always learn what matters most to you.
6 Exercise Types
Reinforce every word with reading, flashcards, definition, speak (speech recognition), write, and quick-match exercises for deep retention.
Custom Decks
Build your own word lists and decks for specific topics, exams, or goals — and practice them with all six exercise types.
Daily Streaks & Goals
Build a learning habit that sticks. Hit your daily XP goal, keep your streak alive, and get a gentle daily reminder so you never break the chain.
Smart Spaced Repetition
Words you struggle with come back exactly when you're about to forget them. Our SM-2 review engine schedules each word for maximum long-term retention.
Additional Features
Levels, Badges & Leaderboard
Earn XP and level up with every session, unlock achievement badges, and climb the weekly leaderboard against learners around the world.
Progress Tracking & Statistics
See your daily streaks, mastery levels, and detailed statistics so you always know exactly how far you've come.
16 Languages
Learn Spanish, French, German, Italian, Portuguese, Japanese, Korean, Chinese, Arabic, Russian, Dutch, Polish, Turkish, Swedish, Norwegian, and Greek.
Learn Offline
Download your decks and practice anywhere — on a plane, subway, or anywhere without internet. Your progress syncs when you're back online.
What our learners say about Lengu
"Lengu made learning Spanish vocabulary actually fun. The quick-match and speaking exercises keep me coming back every day!"
Alex Johnson
Spanish Learner
"I love that I can create my own decks for business vocabulary and practice with all six exercise types. It's the best vocab app I've tried."
Maria Rodriguez
Language Enthusiast
"The offline mode is a game changer. I practice French on the subway and my progress syncs automatically when I get home."
David Lee
Commuter Learner
Frequently Asked Questions
Start Learning Today!
Download Lengu and start building your vocabulary in minutes. Flashcards, speaking, writing, and quick-match exercises — all in one app.