Learn a language from the books you read

Vefna weaves words from the language you're learning into any book you add, a few at a time, and brings in more as you learn them.

It was a dark and stormy ; the fell in torrents.

Tap a woven word to see the original.

How it works

Add a book
Add an EPUB, PDF or plain-text book, or start with a public-domain classic from the built-in library.
Read
Each page is woven around the words you already know. Those words keep appearing in the new language, and new ones are introduced gradually.
Tap to learn
Tap any woven word to see the original and mark how well you know it.

In the app

Your library
French words woven into English
Tap a word to see the original
Japanese, with readings

Languages

Russian
French
Spanish
German
Mandarin
Japanese
English

Availability

Vefna is in testing on Android. Users must be at least 18 years of age. This is only to comply with the requirements of the AI services Vefna uses.