Thorium Reader
Read it your way
About
Organize all your ebooks, comics, and manga in a single app. Customize your reading experience with adjustable text, fonts, and themes. Listen to audiobooks and zoom into visual content with ease.
What's New in Thorium Reader
1.1
May 12, 2026
For this first post-release build, we're focusing on improving PDF support. • New: Support for search in PDF • New: Now translated in Danish • Update: Improved performances when opening up large PDF files • Fix: We got rid of a bug related to Apple Intelligence when using PDF files
MoreFAQ
What types of digital content can Thorium Reader handle?
Thorium Reader supports a wide range of digital content, including ebooks, documents, comics, and manga. You can import files in EPUB, PDF, and CBZ formats.
Can I customize the reading experience in Thorium Reader?
Yes, Thorium Reader offers extensive customization options. You can adjust text size, choose from over 10 fonts, switch between color schemes with themes, and control spacing to suit your preferences.
Does Thorium Reader offer text-to-speech functionality?
Yes, Thorium Reader allows you to listen to any ebook. The app remembers your preference for audio playback, making it convenient to switch between reading and listening.
Is Thorium Reader available on multiple devices?
Thorium Reader is designed for iOS devices, specifically supporting iPhones and iPads. This allows for a consistent reading experience across your Apple mobile devices.
Does Thorium Reader have ads?
No, Thorium Reader is ad-free. As a non-profit dedicated to open standards and literacy, the app focuses on providing an uninterrupted reading experience without advertisements.
Can I use the dictionary and translation features offline in Thorium Reader?
Yes, Thorium Reader includes built-in iOS dictionary and translation features that can be used even when you are offline. This is particularly useful for reading on the go without an internet connection.
How often is Thorium Reader updated?
Thorium Reader was last updated on May 12, 2026, with version 1.1. The developer, EDRLab, is dedicated to open standards, suggesting a commitment to ongoing improvements and support.
What is the age rating for Thorium Reader?
Thorium Reader has an age rating of 4+. This indicates that the app is suitable for children aged 4 and above, with no mature content restrictions.