Thorium Reader
Thorium Reader is #190 in Books Free in France and charting in 1 of 30 countries we track.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperReadium
CategoryBooks
PriceFree
Released
Rating★ 5.0 (1)
Version1.3.1
Age rating17+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)1k+ worldwide
Rating
5.0 ★
1 ratings
Measured
Best rank now
#190
Books FreeMeasured
Thorium Reader on the App Store
App details
App ID
6745025189
Publisher
European Digital Reading Lab
On the store since
Apr 2026
Under a year
Minimum OS
iOS 26.1+
iPhone 11 and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
1 content note below
Languages
11
DA EN ET FI FR IT LT PL SL ES SV
Size
49 MB
Also listed in
Books, Education
Content notesUnrestricted Web Access
Thorium Reader downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| France | BooksFree | #190 |
Apps near Thorium Reader on the chart
Books Free, around #190.
Ratings
App Store, worldwide.
Rating
5.0 ★
1 ratings
Measured
Ratings
1
Measured
About Thorium Reader
Looking for an app where you can bring all your ebooks, comics and manga in one place? That’s what we built Thorium Reader for.
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.
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.
Latest updates
1.3.1
• New: Tap to zoom on images
• New: Translated in Slovenian
• Update: Improved support for full-bleed images in EPUB
• Update: Various bug fixes and improvements related to iOS/iPadOS 27