DuoBook.co
DuoBook.co is made and published by Emin Onur Karakaslar. AppBrain is an independent app data site and isn't affiliated with Emin Onur Karakaslar. The app name, icon, screenshots and description belong to Emin Onur Karakaslar and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 26, 2026
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Releases
Updates seen on the App Store- Version
- 1.2.0
- Launched
- May 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 34.4 MB
- Content rating
- High
Technologies used by DuoBook.co
About the app and developer
About DuoBook.co
DuoBook.co is an education app developed by Emin Onur Karakaslar.
What is the rating of DuoBook.co?
DuoBook.co has no ratings yet.
Is DuoBook.co free?
DuoBook.co is free. The app size is 34.42 MB. The latest version available is 1.2.0. The last update was on October 26, 2026.
What are the requirements for DuoBook.co?
The app has a content rating of High Maturity. The app has been available on the App Store since May 2026.
Developer information for Emin Onur Karakaslar
Address:
Store listing
By Emin Onur Karakaslar, from the App Store
Description by Emin Onur Karakaslar Written by the developer, not by AppBrain. Click to read.
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