Thorium Reader is made and published by Readium. AppBrain is an independent app data site and isn't affiliated with Readium. The app name, icon, screenshots and description belong to Readium and are shown as published on the App Store.
AppBrain's verdict
- Best rank
- #14
- Top Free, Finland
- Rating on App Store
- 3.54
- 13 ratings
- Last updated
- September 23, 2026
It doesn't have enough ratings yet to judge what users think. Its best ranking is #14 in Top Free, Books in Finland.
Rankings
App Store top charts- Highest rank
- #14
- Chart
- Top Free
- Books
- Country
- Finland
Releases
Updates seen on the App Store- Version
- 1.3.1
- Launched
- April 2026
No changelog data
User feedback
Ratings and reviews on the App StoreComments on Thorium Reader for iOS
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Price
- Free
- App size
- 46.3 MB
- Content rating
- High
Technologies used by Thorium Reader
About the app and developer
About Thorium Reader
Thorium Reader is a books app developed by Readium.
What is the rating of Thorium Reader?
Thorium Reader is rated 3.54 out of 5 stars, based on 13 ratings.
Is Thorium Reader free?
Thorium Reader is free. The app size is 46.33 MB. The latest version available is 1.3.1. The last update was on September 23, 2026.
What are the requirements for Thorium Reader?
The app has a content rating of High Maturity. The app has been available on the App Store since April 2026.
Developer information for Readium
Address:
Frequently asked questions about Thorium Reader
Is Thorium Reader free?
Yes. Thorium Reader is free on the App Store.
Is Thorium Reader still available?
Yes. Thorium Reader is on the App Store, and the last update we saw was on September 23, 2026.
How large is Thorium Reader?
Thorium Reader is 46.33 MB.
Is Thorium Reader suitable for children?
App Store gives Thorium Reader a high maturity rating. It is meant for adults.
How do people rate Thorium Reader?
Thorium Reader scores 3.54 out of 5 stars, from 13 ratings on the App Store.
Who made Thorium Reader?
Thorium Reader was developed by Readium. It is listed in the books category on the App Store.
Store listing
By Readium, from the App Store
Description by Readium Written by the developer, not by AppBrain. Click to read.
Read it your way
Everyone’s different, that’s why we want you to be fully in control:
• Adjust text size, switch between color schemes with themes and control spacing.
• 10+ fonts available, including specialized ones.
• You prefer audio? Listen to any ebook, whenever you want. We’ll remember your preference.
• Zoom into comics, manga and magazines.
• Add bookmarks with notes.
• Use the built-in iOS dictionary and translation features, even offline.
• Tweak your reading experience with reading options.
Bring your own books
A single bookshelf and reading application where you can bring all your content:
• Download free books, borrow from your library or buy from your favorite retailer.
• Support for ebooks, documents, comics and manga.
• Import EPUB, PDF and CBZ files.
• Support for Readium LCP, used by thousands of libraries and retailers.
Thorium Reader is built by EDRLab, a non-profit dedicated to open standards, reading and accessibility.