duoBooks: Language Learning7.2 - App Store

Read any book in any language with instant translation into your native language.

We offer short stories designed specifically for beginner language learners. Alternatively, you can add any book from your device and read with translation whatever you want.

Break any sentence into clear pieces and see every word explained in context. Instantly understand how the sentence works, what each word means, and how it fits into the full translation.

In our app, you will also have your personal dictionary where you can keep your vocabulary in one place and easily review it whenever you want.

Mastering correct pronunciation is key to language acquisition. In our app, you can listen to audio voiceovers of every sentence or word to hear it pronounced accurately. Immerse yourself in language learning with ease.

To learn words, we provide a Spaced Repetition tool. With it you can review words at increasing intervals, ensuring long-term retention and mastery. Swipe through word flashcards effortlessly to build a robust vocabulary and make memorizing words a seamless part of your daily routine. Build your English vocabulary.

Many people who are not native English speakers use our app as epub reader to read scientific materials or programming books in English. As long as you have an EPUB file for what you want to read, our app is the best choice.

Our bilingual book reader is designed to enhance your language proficiency one page at a time. Practice and study foreign languages by reading parallel texts where every sentence is translated into your native language.

Reading books with translation is a proven method for language learners to improve their reading comprehension, expand their vocabulary, and gain a deeper understanding of grammar structures.

Read with translation any EPUB ebook from your device, or choose from our library with 3000+ books and short stories.

Reading enhances your creativity, imagination, and empathy. Moreover, reading has been shown to reduce stress, improve mental health, and increase our overall well-being. Dive into a world of dual-language storytelling.

Don't just take our word for it - hear what our users have to say: "This app has revolutionized my language study! I use it with my own EPUB files in a language I am studying. The interface is intuitive. It's also very fast to use and provides a smooth experience during long reading sessions."

Read in English, German, French, Spanish, Italian, or any other language, build your vocabulary, and improve your grammar skills. With our cross-language ebook reader, translate books on the fly and listen to voiceovers of any sentence or word in your book. Best bilingual reading app available.

With duoBooks you will:
- Take control of your language learning journey and achieve your goals faster and easier than ever before.
- Improve speaking by listening to how words and phrases are pronounced correctly.
- Easily incorporate reading into your daily routine and reap the numerous benefits of this powerful skill, all while you learn English (or other languages).
- Read English books with translation (or Spanish, French, etc.) easily even if it's not your native language.
- Study words with scientifically proven technique (Spaced repetition). Swipe word cards and enjoy the process. Smart Interval system is as effective for memorizing words as English lessons.

duoBooks offers short stories specifically created for beginners. They use simple vocabulary, repetitive words, simple dialogues, and uncomplicated sentences.

Alternatively, we have a vast selection of classic literature. From the works of Edgar Allan Poe to the novels of Jane Austen. With over 3000+ classic ebooks available and the ability to import your own files, you'll never run out of options to practice your language skills. Whether you're a beginner or an advanced learner, duoBooks is your app for language learning success. Start your journey today with our free language learning app!

Version History - Search inside the book you're reading
- More reading fonts, matched to the language of each book
- New Explanation button in the word popup: why a word is used here and its other meanings
- Choose the text size of word and sentence translations
- More accurate word and sentence translations 7.2 1d ago - Your can now choose between fonts in the settings. We planted the foundation and will add more fonts in future releases
- RTL interface layout support and RTL books support
- Better word breaks at the end of a line for 29 languages 7.1 Sep 14 - 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 7.0 Aug 25 - Voice settings
- Gesture customization settings
- Subscription synchronization across platforms 6.9 Jul 24 - Save selected words, phrases, or sentences straight to your dictionary — then filter it to see just your saved quotes or words
- Other minor improvements 6.8 Jul 16 We've made improvements to enhance your experience. This update includes bug fixes and performance improvements. Thank you for using DuoBooks! 6.7 Jun 10 Improved audio quality
Minor improvements and maintenance 6.6 May 12 - Percentage reading progress
- Improved contextual sentence translations
- Turn pages with volume buttons (enable in Reading Settings) 6.5 May 5 In this release, we’ve introduced a new Reading Statistics system to help you track your reading habits. We’ve also expanded our text-to-speech support to include more languages and implemented several minor improvements to enhance your overall experience. 6.4 Apr 6 Introducing New Personal Dictionary!
We’ve completely reimagined the dictionary experience in duoBooks from the ground up. 6.3 Mar 28 -Books now load fast after they have been opened once
-Open reading menu with swipe
-Other minor fixes and improvement 6.2 Mar 11 -Reader Themes (change styling of your reader)
-New looks of Reading Menu
-Support of FB2 format. You can now import .fb2 files into application
-Japanese and Korean interface localization 6.1 Mar 6 -Improved "Learn Words" card swiper experience
-Stability and performance related updates 6.0 Feb 28 -Improved source language detection
-Fixed slider issues throughout the app
-Fixed wrong initial page bug
-Improved word translation 5.9 Feb 25 Major upgrade: Context-aware word translations 5.8 Feb 22 We added a new analysis feature that splits sentences into easy-to-read parts. See the translation and meaning of every word within those parts to understand the grammar better. 5.7 Feb 13 Liquid Glass support 5.6 Feb 10 In this update we fixed some minor issues to make your experience better 5.5 12/15/2024 Fixed images in epub books 5.4 11/14/2024 Now you can receive notifications when it is time to review the words you learn 5.3 11/03/2024 Space repetition cards improvements. 5.2 10/14/2024 Spaced repetition flashcards improvement and fixes! Expand your vocabulary with scientifically proven word learning method. 5.01 10/08/2024 Spaced repetition flashcards have been introduced in this update! Expand your vocabulary with scientifically proven word learning method. 5.0 10/06/2024 Stability update 4.93 08/14/2024 Option to skip book intro 4.92 04/24/2024