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duoBooks: Language Learning

duoBooks: Language Learning

Learn Spanish by Reading Books

44 ratings
34 reviews
📚 Education
📚 Books
Free
In-App Purchases

Details

  • Released
  • Updated
  • November 8, 2020
  • August 25, 2026

Features

Developer

PlainProg LLC
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🧾$0.99
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About

Read any book in any language with instant translation and detailed word explanations. Build your vocabulary with a personal dictionary and spaced repetition tools. Improve pronunciation with audio voiceovers and master new languages through immersive bilingual reading.

✓Instant translation of any book
✓Personalized vocabulary dictionary
✓Spaced repetition for memorization
✓Audio voiceovers for pronunciation
✓Bilingual parallel text reading
✓EPUB reader for custom files
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What's New in duoBooks

7.0

August 25, 2026

- Bigger book catalog. Over 17,000 titles now available - Smarter filters. Browse by language complexity and category - Redesigned Library interface - Voice accent settings. Choose how you listen, like switching between British and American English

More

Subscription plans

Full Plan

Fully experience all the app capabilities

$2.991 Month
7 Days trial
How to cancel duoBooks subscription ⁉️
6

In-App Purchases

$0.99

War and Peace

Text for reading with words translation

User reviews

Most RecentHighest RatedLowest Rated

С

Я не могу понять почему на планшете он не грузит не показывает книги и вообще ничего нет а в телефоне получается
Ноза тттттНоза ттттт

Response from developer

Здравствуйте! Просим прощения за неудобства. По описанию трудно определить причину, но попробуйте включить автоматическую установку даты и времени на iPad (Настройки → Основные → Дата и время). Неправильное время может блокировать подключение к серверу.

супер

очень классное приложение, можно добавлять свои книги и хороший переводчик а так же оно бесплатное
изметнитеизметните

Response from developer

Thank you for the feedback!

Thanks letter

Thank you for your app it’s really helpful to me)
AzatfuryAzatfury

Response from developer

Thank you! Enjoy your reading!

Очень медленно

Все бы ничего, но почему ж так медленно грузится перевод? Выбираю предложение и жду по 20-30 секунд. В итоге я в Гугле перевод найду быстрее чем тут что-то загрузится
FeenixspzFeenixspz

Response from developer

Здравствуйте! Спасибо за отзыв. Перевод обычно загружается за 1–2 секунды, похоже на проблему в соединении на вашей стороне.

This app changed my life for real

I don't know who developed this, but I just wanted to say thank you.
Mohsen ShakibaMohsen Shakiba

Response from developer

Thank you so much for the feedback, enjoy your learning!

See 29 more reviews

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FAQ

What does duoBooks do?

duoBooks allows you to read any book in any language with instant translation into your native language. It provides detailed explanations for words and sentences, helping you understand grammar and vocabulary. The app also includes tools for vocabulary building and pronunciation practice.

What are the key features of duoBooks?

Key features include instant translation of any book, a personal dictionary to save new words, spaced repetition for effective memorization, audio voiceovers for accurate pronunciation, and the ability to read bilingual parallel texts. It also functions as an EPUB reader for your own files.

How much does duoBooks cost?

The app is free to download and use, offering a free experience with in-app purchases. This means you can access many features without paying, but certain premium features or content may require a purchase.

What languages does duoBooks support?

The app supports reading in a wide range of languages, including English, German, French, Spanish, and Italian, among others. You can translate books on the fly and listen to voiceovers in these supported languages.

Can I read my own books with duoBooks?

Yes, you can add any EPUB book from your device to the app and read it with translation. This feature is particularly useful for non-native English speakers who want to read scientific materials or programming books in English.