Parallel translation of books

Contains adsIn-app purchases
20.8K reviews
Content rating
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

👆 In the Smart Book app, any word in your book can be translated with just one click. You can download a book in any language in fb2, epub or txt formats and read it without switching to the app with a translator.

💁‍♂️ The app gives you the ability to see the translation of any paragraph. Parallel texts are easy to read and translate. You can highlight any section of a text with a long or a double tap and translate it with a translation service that suits you.

🤖 The app supports translation from ChatGPT artificial intelligence.

🧠 The app supports DeepL, Microsoft, Yandex, Reverso Context, Oxford Dictionaries, LingvaNex, Nlp Translation, Deep Translation, Papago translation services. You can compare translations of an extract from different translation services in one click.

🎯 Google Translate allows you to see the translation, synonyms, initial forms and examples of usage in different contexts.

👀 Reverso Context provides examples of sentences with a word you clicked on.

👨‍🎓 Oxford Dictionaries help you to listen to words spoken in British and American English by native speakers.

🗣 The app allows you to voice any word or paragraph. You can choose a suitable voice for synthesis from the list of Google Speech Services or use a third-party synthesizer app, which you can download from Play Market.

📄 You can easily build up your vocabulary. Words can be saved along with the context. You can add any unknown word to the dictionary for further repetition and export.

🧑‍🏫 The app can automatically sync your saved words with Anki and ReWord.

👌 Bookmarks, font changes, sizes, colors and other settings are available for easy reading.

📈 Statistics of your daily reading time, calculation of time left to finish a book, level of difficulty of a book, ratings of active readers to compare yourself with other users.

📖 An ever-expanding internal free library is available. Education at home and free of charge. Interesting books will help you learn languages on your own.

👨‍👨‍👧‍👧 Russian, English, Belarusian, Czech, Danish, German, Greek, Spanish, Estonian, Finnish, French, Italian, Lithuanian, Latvian, Norwegian, Polish, Portuguese, Turkish, Ukrainian and around 100 more languages are supported.

👀 You can find parallel books in English, German, French, Polish, Portuguese, Spanish, Italian, Turkish in the app.

🎓 The app has fb2 and epub readers. A fb2 reader can open any text book, whereas epub reader can even open picture books.
Updated on
Dec 2, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Financial info and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

19.6K reviews
Arseny Sher
October 9, 2023
Awesome app. Single tap word translate, single tap paragraph translate, single tap tts is what you want while learning. Bear in mind though that built in set of books with literary (human) translation is quite limited; but app author also created a program from making them. You can also just find bilingual books seeing two texts always and still have easy machine translation options.
4 people found this review helpful
Did you find this helpful?
October 10, 2023
☺️ Tell your friends about the app so that as many people as possible know about it. 🚀 Sign up for a trial subscription on the shop screen to try out all the features of the app for free.💡 If you have any questions or suggestions, please contact
David Sylverthorne
June 5, 2022
Every language learner should get this app. The only thing I would change about it would be to allow users to choose how to organize their books (e.g. alphabetically, by author, by language, etc.). Being able to create folders or "shelves" in the library would be another option. Everything else about it is wonderful. Being able to upload your own books is great. The translation functions work really well, and I love having multiple translators in case one is having trouble with a word/phrase.
45 people found this review helpful
Did you find this helpful?
June 5, 2022
Share app with friends ☺️
Jordan Alpha
November 11, 2022
I'm currently learning Russian, and the app is great in most aspects except that when I try to play the audio for a paragraph translated into Russian, it still plays the English audio. I've changed all the settings to allow everything to be translated through Google speech services, so I'm not sure why it won't play the Russian audio. Otherwise, a great app.
21 people found this review helpful
Did you find this helpful?
November 12, 2022
Write on

What's new

- Offline translation of paragraphs
- Added Chat GPT-4 support
- Added search in books
- Added the ability to filter learned words to the word statistics screen
- Added option to automatically pronounce translations in the narrator mode