Graded readers
Readers strictly calibrated by AI across CEFR levels A1–C2. Read with parallel bilingual translation, continuous word-by-word narration, and total Web↔Mobile progress sync.
AI-generated graded readers, strictly calibrated to your CEFR level. Word-by-word narrated audio, a synced vocabulary deck, and a personal tutor — across web and mobile.
Join 100+ readers learning with LibroLang
The old keeper noticed a subtle change in the evening wind. Far across the harbor, a single boat drifted through the silence of the ancient sea, and he heard the waves whisper against the stones below.
Delicate, elusive; not obvious or loud.
Seamless cross-platform synchronization that goes with you anywhere.
Readers strictly calibrated by AI across CEFR levels A1–C2. Read with parallel bilingual translation, continuous word-by-word narration, and total Web↔Mobile progress sync.
Read the same story in your native language, then in your target language. The proven parallel reading method — now digital.
Generate entirely new readings on any subject you love — from science fiction to history — with difficulty and vocabulary tailored precisely to your level.
A single tap on any word reveals its definition, phonetic pronunciation, lemmas and audio. Add it to your study deck in a second.
Complete a book to unlock the interactive comprehension quiz. The AI tutor scores your answers in detail and returns personalized feedback to accelerate fluency.
Android and iOS apps, 100% optimized for portability. History, saved words and statistics sync seamlessly.








Shuffle your deck (Fisher–Yates), flip cards to review lemmas, mark words as mastered.
Premium word-by-word narration, engineered to work perfectly online and off.
Full reading quizzes, natively integrated with the AI tutor engine on your phone.
Continue reviews and sessions without relying on a network connection.
iOS App is live. Android app is in final certification.
Four steps to transform how you learn a language.
Pick a book matched to your CEFR level and the topics you care about.
Immerse yourself. Premium AI audio narrates, synced word-by-word.
Tap unfamiliar words to reveal definitions and save them to your deck.
Take comprehension quizzes and review flashcards to lock in memory.
Join LibroLang and unlock a world of personalized language learning across Web, Android & iOS.
LibroLang for Teachers — manage classes, assign books, track student progress.