# DuoBook.co — Read anything, bilingually

> Read anything, bilingually (iPhone/iPad app by Emin Onur Karakaslar.)

- Source: https://appshunter.io/ios/app/duobookco/id6762019079 (this page in markdown: same URL + `.md`)
- Developer: [Emin Onur Karakaslar](https://appshunter.io/developer/1891281160)
- Category: Education, Entertainment
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 16.0 · 32 MB
- Languages: American English
- Released: 2026-05-30
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/duobookco/id6762019079/reviews.md

## What is DuoBook.co?

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| DuoBook Pro | $7.99 | per month |



## Version history (last 5 releases)

### 1.1.12 — 2026-08-22

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.

### 1.1.11 — 2026-08-14

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.

### 1.1.10 — 2026-08-04

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.

### 1.1.9 — 2026-08-03

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.

### 1.1.6 — 2026-07-26

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.

## More apps by Emin Onur Karakaslar

- [VBeta](https://appshunter.io/ios/app/vbeta/id6761753556)

All apps by Emin Onur Karakaslar: https://appshunter.io/developer/1891281160

## Related topics

[duobooks](https://appshunter.io/ios/topics/duobooks)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*