SyncBooks!
Sync Legacy: Voice & Trans
Free · Designed for iPad. Not verified for macOS.
Currently in prototype. We are regularly adding new titles and improving features. Stay tuned for more classic books and enhanced AI translations!
SyncBooks! is a multilingual ebook reader that unlocks the “depth” of classic literature with cutting-edge technology. It’s more than just reading – it’s listening, comparing, and learning. Experience public domain masterpieces in a more profound way.
【Key Features】
・Sentence-by-Sentence Audio Sync
Synchronizes text and audio on a sentence-by-sentence basis. The current reading location is highlighted in real-time, allowing you to follow along with both your eyes and ears.
・Multilingual Parallel Display
Equipped with high-quality translations powered by LLM. Freely switch between the main and sub languages for a display tailored to your learning style.
・Two Reading Modes
Read-Along Mode: An active reading experience synchronized with audio.
Novel Mode: A focused reading experience with minimal distractions.
・Audio System
Includes recorded narration for original English texts, and utilizes device’s text-to-speech for translated versions, ensuring seamless listening.
・Dictionary Integration
Simply tap a word to display the iOS standard dictionary. Check meanings without interrupting your reading flow.
・Public Domain Works
Features a curated collection of classic literature with a design optimized for comfortable reading.
【About the Translation】
The translation for this app was generated by AI (LLM). It may contain inaccuracies or unnatural phrasing depending on the context. Please use it as an aid to understanding the original text.
【Recommended for】
・Those who want to learn a language through literature.
・Those who want to efficiently engage in extensive and intensive reading.
・Those who want to deepen their understanding by comparing original texts and translations.
・Those who want to build a collection of classic works.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, koji ozono, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- koji ozono
- Size
- 17.1 MB
- Category
- Books
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- ©2026 Koji Ozono