
Tenth Word: Learn English
English inside Russian books
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In-App Purchases
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About
Open a Russian book and some of the words are already English.
How many is up to you: the ring turns from 0 to 100%.
At 10% every tenth word is English — hence the name. It still reads
like an ordinary book, but every paragraph hands you a new English
word in a context where the meaning is obvious without a dictionary.
Your brain fills in the rest — that is how vocabulary sticks.
If it does not, tap the word to see what it replaced.
Learned a word? Remove it, and the freed percent goes to the next one.
— For native Russian speakers: the books and the interface are in Russian
— Your own books: EPUB, FB2, TXT
— Fully offline: the dictionary lives inside the app
— Word order never reshuffles when you change the percentage
— Proper nouns and ambiguous words are never translated
— Themes, typefaces, size, line spacing
— No ads, no data collection
Three days free. Then ten pages a day free, or a one-time purchase —
not a subscription.
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What's New in Tenth Word
1.0.1
September 9, 2026
Page turns are animated now, and you can pick the direction — sideways or up and down — in Settings. Dictionary: a word is no longer replaced by its whole definition, and demonstrative pronouns no longer turn into Greek letters.
More1
Subscriptions & In-App Purchases
$4.99
Full access
Removes the ten-pages-a-day limit




