Product
Notes from building TortoLingua itself — launches, experiments, rough edges we're sanding down.
How to Import EPUB, MOBI, or TXT for Language Learning
Check TortoLingua file support, 10 MB and 10-book limits, privacy, exact import steps, and fixes for unsupported or protected files.
Read Books in a Foreign Language With Translation and Vocabulary Help
Import an authorized TXT, EPUB, or MOBI book and read privately with contextual translations, saved vocabulary, and resume position.
Is Slow Audio Bad for Language Learning?
Slow audio can help you decode words, but it should not replace original-speed listening. Here is how TortoLingua uses both.
How to Use TortoLingua for Reading Practice
A practical walkthrough for one TortoLingua reading session: choose a language, read for meaning, mark hard words, use audio, and know what to add next.
TortoLingua vs Duolingo: A Reading-Based Alternative
Honest comparison of TortoLingua and Duolingo. What Duolingo does well, where it falls short, and why a reading-based approach may work better for serious learners.
TortoLingua app
Read in the browser or install the mobile app.
The app page links to the web app, the official iOS App Store listing, and Google Play for Android.