Learn Through Reading
Import EPUB and TXT books. Tap any word to instantly translate it and add it to your personal dictionary. Learn vocabulary in real context.
Read real books, practice with AI-powered exercises, and retain everything with smart repetition. LangYOU turns your curiosity into fluency.

// 01 · feature.matrix
LangYOU combines reading, AI, and science-backed learning techniques in one beautiful app.
Import EPUB and TXT books. Tap any word to instantly translate it and add it to your personal dictionary. Learn vocabulary in real context.
On-device AI generates contextual sentences, personalizes exercises, and acts as your private language tutor.
The SM-2 algorithm schedules reviews at the perfect moment. You'll remember words long-term, not just for the next test.
Flashcards, Word Sprint, Mastery Sprint, matching, sentence builder, listening, spelling, context guessing, and AI Compose.
Track your level from A1 to C2 with the Common European Framework. See exactly where you stand and what to learn next.
Apple Watch companion app, home screen widgets, and full offline support. Your vocabulary is always with you.
// 02 · onboarding.flow
Three simple steps to start your language journey.

Select your native language and the language you want to learn. Choose from 13 supported languages.

Import your favorite books or start with built-in vocabulary lists. Tap unknown words to translate and save them.

Review with flashcards, complete exercises, and chat with AI tutor. Smart repetition ensures lasting memory.
// 03 · practice.modes
Every exercise targets a different skill — from recognition to production.
Swipe-based review with SM-2 spaced repetition
Multiple-choice translation against the clock
Multi-stage drills that lock in your hardest words
Connect words with their translations on a board
Tap words to assemble the correct sentence
Hear a word, type what you heard
Type the correct spelling from memory
Fill the missing word in a real sentence
Write your own sentence, AI checks grammar and gives a score
// 04 · supported.locales
Learn any of these languages from any of these languages. Any combination works.
// 05 · ship.it
Join thousands of learners who chose the smarter way to master a new language.
Free to start. No account required.