DuoBook.co
Read anything, bilingually
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
DuoBook turns any topic, article, or idea into an interactive bilingual story — so you can read real content in your target language with your native language alongside it.
Read news, stories, and content from across the internet in two languages at once. Tap any word for instant translation and vocabulary tracking. Build your reading streak with daily challenges.
Free includes:
- 1–2 stories per day
- Short, medium, and long stories
- 5 instant translations per day
- Vocabulary tracking
- DuoSolve daily word puzzle
DuoBook Pro includes:
- Unlimited stories
- XL-length stories
- Unlimited instant translations
- PDF export for Kindle
- Advanced AI model
- Natural human-like voices in 30+ languages
- 2 streak freeze per month
Subscription automatically renews monthly unless canceled at least 24 hours before the end of the current billing period. Manage and cancel subscriptions anytime in your Apple Account Settings.
Privacy Policy:
https://duobook.co/privacy
Terms of Use:
https://duobook.co/terms
more Sign in more smoothly with clearer, more polished account screens. Sharing your progress is more rewarding, and we’ve made improvements across the learning experience.
1.1.17 1 day ago
Make your learning companion feel even more personal with refined outfit styling, colors, and unlock presentation. This update also improves achievement progress, practice feedback, and the overall learning experience.
1.1.16 2 days ago
Connect and learn with more polished profiles, friend activity, and leaderboard updates. This release also improves story sharing, progress insights, and the reliability of your learning experience.
1.1.14 6 days ago
Take on a more engaging practice experience with improved head-to-head challenges, expanded language and direction choices, and richer sound feedback. This update also refines story reading, recommendations, and overall app polish.
1.1.12 22 Aug
Discover a more polished learning experience with improved reading and practice flows, expanded language selection, and smoother navigation across the app. This update also brings clearer progress insights, refined story tools, and a fresh new challenge to enjoy.
1.1.11 14 Aug
Enjoy a refreshed reading experience with smoother full-screen navigation and clearer language support. Customize your learning companion with more outfits and unlocks, track reading progress with improved challenges and library insights, and enjoy a more polished experience across mobile and desktop.
1.1.10 4 Aug
Invite friends and follow progress with friend-focused leaderboard updates. This release also brings better learning prompts, more polished daily challenges and sharing, local-currency price hints, improved voice previews, and recommendations that stay in sync with your chosen languages.
1.1.9 3 Aug
Keep your momentum going with a fuller Daily Streak that recognizes more of your learning activity, plus new streak celebrations. This update also brings classroom assignments, clearer profiles and rankings, pull-to-refresh feedback, improved audio moments, refreshed onboarding, and expanded translations.
1.1.6 26 Jul
Keep your momentum going with a fuller Daily Streak that recognizes more of your learning activity, plus new streak celebrations. This update also brings classroom assignments, clearer profiles and rankings, pull-to-refresh feedback, improved audio moments, refreshed onboarding, and expanded translations.
1.1.5 24 Jul
Practice progress is now clearer on smaller screens, with an improved mobile summary layout.
Share to create is here: send an article, blog post, recipe, or page from Safari, News, or another app to DuoBook and turn it into a bilingual story at your level.
This update also improves reading and practice with auto-read controls, keyboard shortcuts, clearer reading settings, better vocabulary review prompts, league result updates, and smoother home recommendations.
Plus: performance, stability, and interface polish across stories, practice, and progress views.
1.1.4 22 Jul
Practice progress is now clearer on smaller screens, with an improved mobile summary layout.
Share to create is here: send an article, blog post, recipe, or page from Safari, News, or another app to DuoBook and turn it into a bilingual story at your level.
This update also improves reading and practice with auto-read controls, keyboard shortcuts, clearer reading settings, better vocabulary review prompts, league result updates, and smoother home recommendations.
Plus: performance, stability, and interface polish across stories, practice, and progress views.
1.1.3 20 Jul
Share to create is here: send an article, blog post, recipe, or page from Safari, News, or another app to DuoBook and turn it into a bilingual story at your level.
This update also improves reading and practice with auto-read controls, keyboard shortcuts, clearer reading settings, better vocabulary review prompts, league result updates, and smoother home recommendations.
Plus: performance, stability, and interface polish across stories, practice, and progress views.
1.1.2 15 Jul
Share to create is here: send an article, blog post, recipe, or page from Safari, News, or another app to DuoBook and turn it into a bilingual story at your level.
This update also improves reading and practice with auto-read controls, keyboard shortcuts, clearer reading settings, better vocabulary review prompts, league result updates, and smoother home recommendations.
Plus: performance, stability, and interface polish across stories, practice, and progress views.
1.1.1 3 Jul
Share to create — turn anything you read into a story!
- Found an article, blog post, or recipe in Safari, News, or any app? Just tap Share → DuoBook, and we'll turn that page into a bilingual story at your level. No more copy-paste.
- A new "For You" tip on the home screen shows you how to get started.
- Plus performance and stability improvements.
1.1.0 25 Jun
- Smarter DuoBook notifications: personalized, localized reminders for streaks, review words, and unfinished stories.
- A richer Practice Book with clearer chapter summaries, language labels, word mixes, and mastery progress.
- More reliable vocabulary progress saving, especially when practicing and reviewing words across sessions.
- DuoSolve feels smoother, with cleaner puzzle visuals and a more focused challenge flow.
- Reading and practice now connect better, helping you return to stories and review the words that matter.
1.0.7 22 Jun
- Smarter DuoBook notifications: personalized, localized reminders for streaks, review words, and unfinished stories.
- A richer Practice Book with clearer chapter summaries, language labels, word mixes, and mastery progress.
- More reliable vocabulary progress saving, especially when practicing and reviewing words across sessions.
- DuoSolve feels smoother, with cleaner puzzle visuals and a more focused challenge flow.
- Reading and practice now connect better, helping you return to stories and review the words that matter.
1.0.6 15 Jun
This update adds smoother iOS pull-to-refresh, reading memory tools for saving important sentences, and a clearer way to resume stories from your bookshelf. Daily flame streaks, achievements, progress views, and DuoSolve XP have been polished, while story generation now gives clearer limit feedback. Public story pages and school/homepage layouts also received smaller improvements.
1.0.5 12 Jun
This update improves the iOS reading experience with reliable word translation popups, a cleaner menu design, and better mobile spacing. Continue Reading now appears as a richer For You card with story details, and several footer, sharing, Daily Tasks, Duo Badges, and reader polish improvements are included.
1.0.4 4 Jun
Sharing now opens clean DuoBook links from the iOS app. Wikipedia topics are easier to reach, Latest News has a clearer refreshed look, and the reading experience includes additional source and accessibility improvements. DuoSolve also has a more engaging wait screen while your next puzzle is prepared.
1.0.2 1 Jun
Cheer-on streak notifications are here! Hit a milestone and we'll celebrate with you — gently, once a day at most. Your streaks now sync across devices too. Plus: public profiles, richer leaderboards with a reading heatmap, story & puzzle sharing, faster vocabulary practice, and a handful of fixes.
1.0.1 31 May
Sign in more smoothly with clearer, more polished account screens. Sharing your progress is more rewarding, and we’ve made improvements across the learning experience.
more Version 1.1.17 1 day ago
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