Duoreader - Bilingual Reading5.2.2 - App Store
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Publisher Description
Duoreader makes it easy to read bilingual texts by aligning translations sentence-by-sentence. You can enjoy the beauty of the originals while improving your language skills naturally.
Read anything you want
Free, with no ads. Duoreader translates what you read as you go. Whether the text has a human translation or not, you always read it side by side in two languages.
Word-by-word alignment
Tap a sentence to line up both versions word by word and see exactly which phrase maps to which.
AI dictionary
Tap any word for a definition that fits the sentence you are reading.
Text-to-speech (TTS) and read aloud
Listen with natural voices and adjustable speed, and follow along as the text highlights.
78 classic books, in 11 languages
Translations into Chinese, English, French, German, Spanish, Italian, Arabic, Japanese, Russian, Korean and Polish. Austen, Dickens, Orwell, Hemingway and more - read them as they were translated, or let Duoreader translate for you.
1,400+ websites, 24 languages
Browse by topic - news, science, tech, health, culture, history, travel, food, sport, finance and more - and read any article in your own language, even where no translation exists yet. Prefer a site of your own? Paste the URL.
Import your own books
Import your own ePUB and PDF files and read them the same way, with bilingual reading, dictionary and TTS.
Library and bookmarks
Filter by level and language, and save a bookmark on any paragraph to come back to it later. Your progress and bookmarks sync across devices when you sign in.
Duoreader supports many languages including Chinese, English, French, Spanish, Italian, Japanese, Arabic, and Russian, with more to come. Bring your favorite books, read something new every day, and learn languages naturally - all within Duoreader.
Version History What's new in 5.2.2
• Book covers on the home screen no longer flicker
• The home header now clears the status bar when it sticks to the top
• The Discover tab no longer shows two category bars at once
• Smoother scrolling 5.2.2 4d ago What's new in 5.0
• A redesigned welcome screen: choose your two languages on a cleaner first-run page
• Word alignment now underlines only the sentence pairs that exist in both languages — no stray highlights
• Reader typography tuned up: better paragraph rhythm, and the action bar stays within the text
• Web imports now translate the article headline, not just the paragraphs
• Every book cover gets its own colour, so titles are easier to tell apart at a glance
• The community shelf now lays out in columns on tablets and desktops 5.0 Oct 4 What's new in 4.7
• New interface languages: the app now speaks French, Spanish, Arabic (right-to-left), Italian, and German — it follows your native language
• The book details page is now fully translated — level, Lexile score, available languages, and buttons follow your app language
• Dark mode readability in the reader: bottom toolbar, chapter title, table of contents, and bookmarks are now legible
• Cleaner spacing between language and visibility badges on book cards 4.7 Sep 10 • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020
About Duoreader - Bilingual Reading
The company that develops Duoreader - Bilingual Reading is Xing Chen. The latest version released by its developer is 5.2.2.
To install Duoreader - Bilingual Reading on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Duoreader - Bilingual Reading as malware if the download link is broken.
How to install Duoreader - Bilingual Reading on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Duoreader - Bilingual Reading is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Duoreader - Bilingual Reading is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 5.2.2
posted on 2026-10-13
Version History What's new in 5.2.2
• Book covers on the home screen no longer flicker
• The home header now clears the status bar when it sticks to the top
• The Discover tab no longer shows two category bars at once
• Smoother scrolling 5.2.2 4d ago What's new in 5.0
• A redesigned welcome screen: choose your two languages on a cleaner first-run page
• Word alignment now underlines only the sentence pairs that exist in both languages — no stray highlights
• Reader typography tuned up: better paragraph rhythm, and the action bar stays within the text
• Web imports now translate the article headline, not just the paragraphs
• Every book cover gets its own colour, so titles are easier to tell apart at a glance
• The community shelf now lays out in columns on tablets and desktops 5.0 Oct 4 What's new in 4.7
• New interface languages: the app now speaks French, Spanish, Arabic (right-to-left), Italian, and German — it follows your native language
• The book details page is now fully translated — level, Lexile score, available languages, and buttons follow your app language
• Dark mode readability in the reader: bottom toolbar, chapter title, table of contents, and bookmarks are now legible
• Cleaner spacing between language and visibility badges on book cards 4.7 Sep 10 • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020
version 5.0
posted on 2026-10-06
Version History What's new in 5.0
• A redesigned welcome screen: choose your two languages on a cleaner first-run page
• Word alignment now underlines only the sentence pairs that exist in both languages — no stray highlights
• Reader typography tuned up: better paragraph rhythm, and the action bar stays within the text
• Web imports now translate the article headline, not just the paragraphs
• Every book cover gets its own colour, so titles are easier to tell apart at a glance
• The community shelf now lays out in columns on tablets and desktops 5.0 1d ago What's new in 4.7
• New interface languages: the app now speaks French, Spanish, Arabic (right-to-left), Italian, and German — it follows your native language
• The book details page is now fully translated — level, Lexile score, available languages, and buttons follow your app language
• Dark mode readability in the reader: bottom toolbar, chapter title, table of contents, and bookmarks are now legible
• Cleaner spacing between language and visibility badges on book cards 4.7 Sep 10 • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020
version 4.7
posted on 2026-10-02
Version History What's new in 4.7
• New interface languages: the app now speaks French, Spanish, Arabic (right-to-left), Italian, and German — it follows your native language
• The book details page is now fully translated — level, Lexile score, available languages, and buttons follow your app language
• Dark mode readability in the reader: bottom toolbar, chapter title, table of contents, and bookmarks are now legible
• Cleaner spacing between language and visibility badges on book cards 4.7 Sep 10 • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020 1.0.8 10/04/2020
version 4.7
posted on 2026-09-11
Version History What's new in 4.7
• New interface languages: the app now speaks French, Spanish, Arabic (right-to-left), Italian, and German — it follows your native language
• The book details page is now fully translated — level, Lexile score, available languages, and buttons follow your app language
• Dark mode readability in the reader: bottom toolbar, chapter title, table of contents, and bookmarks are now legible
• Cleaner spacing between language and visibility badges on book cards 4.7 1h ago • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020 1.0.8 10/04/2020
version 4.6
posted on 2026-09-04
Version History • New Supertonic narration voices for English and other non-Chinese books — richer, more natural sound
• Smarter voice selection on iOS when switching between Chinese and other languages
• Improved Japanese text-to-speech language handling 4.6 Jul 7 What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020 1.0.8 10/04/2020 1.0.6 09/30/2020
version 4.3
posted on 2026-07-07
Version History What's new in 4.0.5
• Shelf layout improved on iPad and wide screens; clearer covers for imported books
• More reliable auto-read and tap-to-play, including premium voices
• Stop or double-tap a playing sentence without losing your place
• Dictionary lookups keep the current sentence highlighted while audio continues
• Loading indicator while voice audio is preparing
• In-reader help guide; retry when loading fails
• Bookmark sync, continue reading, and shelf polish 4.3 Jun 18 - Bookmarks and reading progress are improved and more reliable (supports signed-in sync across devices)
- New/updated Bookmarks page with “Continue reading” and better organization/search
- UI refresh across the reader and library (layout + styling polish) 4.0 Jun 4 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020 1.0.8 10/04/2020 1.0.6 09/30/2020 1.0.5 09/14/2020
version 3.0.3
posted on 2026-06-03
Version History 1. status bar update
2. remember the last read position 3.0.3 Feb 5 * Default to advanced TTS (to address the low quality TTS issue for iPhones).
* Added support for reading customized books (ePUB and PDF) supported for now;
* Improved dictionary (powered by ChatGPT)
* Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout, fixed several bugs 3.0 10/09/2025 * Adds LLM based live translation
* Added book filtering, and book info page
* Infinite scrolling
* Updated UI layout 2.0 10/01/2025 - Portrait screen support 1.5.2 06/24/2025 Improved support for notched screen devices 1.4.4 03/16/2025 * Dark mode fix 1.4.1 11/29/2023 * Updated icon
* Fixed UI issues 1.4.0 09/11/2023 * Improved homepage appearance 1.3.8 02/28/2023 * Cover photos for the home page. 1.3.6 05/27/2022 * Updated the UI details 1.3.4 11/02/2021 * Added German support, and added several books. 1.3.3 09/25/2021 * fixed bugs; dark mode 1.3.2 08/28/2021 1.3.1 08/17/2021 1.3.0 06/21/2021 1.2.8 06/06/2021 1.2.3 02/01/2021 1.2.2 01/13/2021 1.2.1 12/27/2020 1.1.0 11/15/2020 1.0.9 10/15/2020 1.0.8 10/04/2020 1.0.6 09/30/2020 1.0.5 09/14/2020 1.0 08/16/2020
version 3.0.3
posted on 2026-02-05
1. status bar update
2. remember the last read position
version 1.5.2
posted on 2025-06-24
Jun 24, 2025
Version 1.5.2
- Portrait screen support
version 1.4.4
posted on 2025-03-16
Mar 16, 2025
Version 1.4.4
Improved support for notched screen devices
Disclaimer
Official App Store Link
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