--- title: "DuoBook.co - Reviews, Revenue and Downloads in Hong Kong SAR China | Apple App Store" description: "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 co" --- # DuoBook.co — Hong Kong SAR China ![DuoBook.co App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/4d/0e/be/4d0ebea1-e2b3-8c8f-a9c6-5a9ceac0de2f/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Emin Onur Karakaslar](https://apptail.io/developer/emin-onur-karakaslar-VmBiWb) **Category:** Education **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** co.duobook.app **Store:** Apple App Store **Country:** Hong Kong SAR China **Version:** 1.1.26 (released 2026-10-17) **Original Release:** 2026-05-30 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/hk/app/app/id6762019079) **AppTail Page:** [https://apptail.io/app/duobookco-cEXA/hong-kong](https://apptail.io/app/duobookco-cEXA/hong-kong) ## DuoBook.co Description 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: Terms of Use: ## DuoBook.co Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/93/18/ce/9318ce99-14a8-e8b6-b63c-5669506a1e21/Group_29.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/11/c5/1e/11c51e31-bdce-50b1-7fc2-927fa6d8d23c/Group_30.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/25/d9/cd/25d9cdb2-7c55-4477-5f8e-4079890f664a/Group_31.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e1/22/b3/e122b31d-a2d7-b907-1062-05849406413d/Group_18_U00281_U0029.png/1284x2778.png) ## DuoBook.co In-App Purchases | Item | Price | |------|-------| | DuoBook Pro | 58.00 H$ | ## Apps Similar to DuoBook.co - [English Mastery Club](https://apptail.io/app/english-mastery-club-RXux/hong-kong) - [Words Wisdom: Speak English](https://apptail.io/app/words-wisdom-speak-english-luWx/hong-kong) - [3000 Glyphs—Chinese Flashcards](https://apptail.io/app/3000-glyphs-chinese-flashcards-CiEy/hong-kong) - [Passage: Read Spanish Books](https://apptail.io/app/passage-read-spanish-books-FMXz/hong-kong) - [WordVia: Libros con Traducción](https://apptail.io/app/wordvia-libros-con-traduccion-scZz/hong-kong) - [Wisteria Reader](https://apptail.io/app/wisteria-reader-FNnA/hong-kong) - [Mirror Reader](https://apptail.io/app/mirror-reader-dCTA/hong-kong) ## DuoBook.co Available In - [Barbados](https://apptail.io/app/duobookco-cEXA/barbados) - [Bulgaria](https://apptail.io/app/duobookco-cEXA/bulgaria) - [Bermuda](https://apptail.io/app/duobookco-cEXA/bermuda) - [Belize](https://apptail.io/app/duobookco-cEXA/belize) - [Estonia](https://apptail.io/app/duobookco-cEXA/estonia) - [Hong Kong SAR China](https://apptail.io/app/duobookco-cEXA/hong-kong) - [Iceland](https://apptail.io/app/duobookco-cEXA/iceland) - [Kenya](https://apptail.io/app/duobookco-cEXA/kenya) - [Kuwait](https://apptail.io/app/duobookco-cEXA/kuwait) - [Cayman Islands](https://apptail.io/app/duobookco-cEXA/cayman-islands) - [Lithuania](https://apptail.io/app/duobookco-cEXA/lithuania) - [Latvia](https://apptail.io/app/duobookco-cEXA/latvia) - [Madagascar](https://apptail.io/app/duobookco-cEXA/madagascar) - [North Macedonia](https://apptail.io/app/duobookco-cEXA/north-macedonia) - [Mali](https://apptail.io/app/duobookco-cEXA/mali) - [Malta](https://apptail.io/app/duobookco-cEXA/malta) - [Namibia](https://apptail.io/app/duobookco-cEXA/namibia) - [Norway](https://apptail.io/app/duobookco-cEXA/norway) - [Oman](https://apptail.io/app/duobookco-cEXA/oman) - [Panama](https://apptail.io/app/duobookco-cEXA/panama) - [Paraguay](https://apptail.io/app/duobookco-cEXA/paraguay) - [Slovenia](https://apptail.io/app/duobookco-cEXA/slovenia) - [Senegal](https://apptail.io/app/duobookco-cEXA/senegal) - [Suriname](https://apptail.io/app/duobookco-cEXA/suriname) - [Ukraine](https://apptail.io/app/duobookco-cEXA/ukraine) - [United States](https://apptail.io/app/duobookco-cEXA/united-states) - [Uruguay](https://apptail.io/app/duobookco-cEXA/uruguay) - [Uzbekistan](https://apptail.io/app/duobookco-cEXA/uzbekistan) - [Venezuela](https://apptail.io/app/duobookco-cEXA/venezuela) - [Vietnam](https://apptail.io/app/duobookco-cEXA/vietnam) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*