Mobile app · iOS & Android coming soon

Read real books in two languages — and actually remember the words.

Osmosa shows the original and the translation side by side, then builds a real model of your vocabulary as you read.

App StoreSOON Google PlaySOON

No account needed to try. Use it in your browser today; the native apps land next.

Osmosa reader: tap a word in an English book to see its meaning and the sentence translated

How it works

1

Read side by side

2

The model learns you

3

Everything tunes to your level

What makes it different

Pricing

Free
$0
Pro
from $1.99 / mo
Get started