Read your way to fluency

Leo

Learn a language through reading

Turn the stories and documents you already want to read into personalized language lessons. Leo keeps translation, vocabulary, and practice together so you can stay immersed in the text.

Coming soon

Designed for active learning

Make every session practical

Leo is an all-in-one reading and language learning app, featuring tap-to-translate, flashcard saving, AI chat practice, and support for your own PDF, ePub, and text files.

Move between reading, reviewing, and conversation practice without losing the context that made a new word meaningful.

Tap to translate

Understand unfamiliar words and passages without leaving what you are reading.

Build useful flashcards

Save vocabulary in context and return to it for focused review.

Bring your own books

Upload PDF, ePub, or text files and turn them into interactive reading material.

Connected to Mamu Library

Discover new reading material and add it directly to your Leo library.

Use it your way

Built around real interests and goals

BooksArticlesStudy materialPersonal documents

Ready to explore Leo?

Leo is on the way. Learn more about the Mamu Labs ecosystem while you wait.