Read books in any language

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Reading

📒 When you click on any word you will see a short list of its translations. It can be spoken or added to the built-in dictionary for repetition or export to Anki, reWord, Smart Dictionary and other applications.

🗣 The app allows you to speak any paragraph. You can customise the playback buttons, scrolling or voice packs. In the pronunciation settings you can activate the possibility of interpreting the whole book.

👌 The bookmark is placed automatically when you interact with the translation of words and paragraphs. In the settings it is possible to enable automatic bookmarking without your intervention.

📈 Statistics of your daily usage, calculation of time left to finish a book, difficulty of books in the original, ratings for comparison between other users.

Translation Services

🧠 The application supports Google, Microsoft, Yandex, DeepL, Reverso Context, Oxford Dictionaries, LingvaNex, Nlp Translation, Deep Translation

👩 Translators gives you the chance to see different word translations from different services.

👀 You can switch between translations from different services with a single tap to find the best option.

Artificial Intelligence

🤖 The app provides access to various AI features such as Translation in context, Usage explanation, Word etymology, Grammar analysis of selected text and many more.

👾 You can create your own AI commands and assign them to word tap or translation of selected text and paragraph.

🦾 The app allows you to use any existing AI services by connecting your own API key.

Translation

🏫 With Oxford Dictionaries you can hear the pronunciation of words from native speakers.

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

Books

📖 An ever-expanding internal library is available. A list of books to suit all tastes. Interesting books themselves will help you learn languages.

📚 In the app you can open any of your books in any language in fb2, epub or txt formats. You can download books from any website and read them in Smart Book.

📖 You can download any book in these formats from any website on the internet and import it into the app.

🎥 The app allows you to load any subtitles in srt format and read them just like books.

📕 You can select text in any app and with a few taps in the context menu start reading it in Smart Book.

Learn languages by reading with parallel translation

Smart Book is a bilingual ebook reader that shows the original text and its translation side by side, so you learn languages by reading the books and stories you love. Long-tap any word, sentence, paragraph or whole chapter for an instant, context-aware translation while reading — and switch between Google Translate, DeepL, Reverso Context, ChatGPT, Claude, Gemini and Yandex in a single tap.

Read from a free built-in library of bilingual stories, or load your own FB2, EPUB and TXT books, and even import .SRT subtitles as parallel text. Save unfamiliar words together with their context to a personal dictionary for spaced-repetition review, and export them to Anki or ReWord. Listen to native-speaker and AI pronunciation, or turn a whole chapter into audio.

Smart Book is free to use, supports around 100 languages, and is available on iOS and Android. Optional PRO (one-time) and MAX (subscription) plans unlock contextual AI translation and custom AI actions, and you can always bring your own API key.

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