Best Thorium Reader Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Out of 250+ thorium reader apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Thorium Reader Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Thorium ReaderThorium ReaderFree3.4★ (12)NoNoNov 2026
2Epub Reader -read epub,chm,txtEpub Reader -read epub,chm,txtFree4.5★ (11K)YesYesNov 2026
3PocketBook ReaderPocketBook ReaderFree4.5★ (10K)NoYesNov 2026
4Grim ReaderGrim ReaderFree5.0★ (4)NoNoNov 2026
5eBookReader: FB2 & EPUB ReadereBookReader: FB2 & EPUB ReaderFree was $49.995.0★ (1)NoNoNov 2026
6ReadEra – book reader pdf epubReadEra – book reader pdf epubFree4.2★ (241)NoNoNov 2026
7Anchor ReaderAnchor ReaderFree—NoYesOct 2026
8EPUBadjunct - smart ePub readerEPUBadjunct - smart ePub readerFree3.0★ (1)NoYesOct 2026

Top Picks for Thorium Reader

Thorium Reader#1

Thorium Reader by Readium

Read it your way
Editor's Choice
📚 Books
3.4(12 ratings)
Free
Thorium Reader screenshot 1
Thorium Reader screenshot 2
Thorium Reader screenshot 3
Thorium Reader screenshot 4

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.

Epub Reader -read epub,chm,txt#2

Epub Reader -read epub,chm,txt by 俐 马

Ebook Reader for many formats
Strong Contender
📚 Books
4.5😐(11K ratings)
FreeAdsIn-App Purchases
#87in Books
Epub Reader -read epub,chm,txt screenshot 1
Epub Reader -read epub,chm,txt screenshot 2
Epub Reader -read epub,chm,txt screenshot 3
Epub Reader -read epub,chm,txt screenshot 4
Epub Reader -read epub,chm,txt screenshot 5

This app offers a seamless reading experience for various ebook formats including EPUB, PDF, and CHM. It supports multiple compression formats and provides features like table of contents, note-taking, and bookmarking. Customize your reading with adjustable font sizes.

What We Love

  • 👍 Easy to use
  • 🚀 Fast and responsive
  • 💡 Convenient file transfer via WiFi
  • 🤩 Great for casual reading

Room to Improve

  • 🐛 Loses bookmarks and reading progress
  • 🔍 Lacks search functionality
  • 🌗 No dark mode option
  • 📏 Limited customization options
  • 💤 Doesn't remember last read position
PocketBook Reader#3

PocketBook Reader by Pocketbook International SA

PDF, EPUB, FB2, Audiobooks
Worth Considering
📚 Books
4.5😐(10K ratings)
FreeIn-App Purchases
PocketBook Reader screenshot 1
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PocketBook Reader screenshot 3
PocketBook Reader screenshot 4
PocketBook Reader screenshot 5
PocketBook Reader screenshot 6

This app is a versatile reader supporting 26 book and audio formats, including EPUB, PDF, and audiobooks. It offers features like PDF reflow, text-to-speech, cloud synchronization, and extensive customization options for a comfortable reading experience.

What We Love

  • 👍 Convenient reading experience
  • 🚀 Smooth scrolling
  • 💡 Customizable settings (font, margin, etc.)
  • 🔒 Supports DRM-protected content
  • 👍 Intuitive user interface
  • 💡 Text-to-speech functionality

Room to Improve

  • 🐛 Crashes and freezes
  • 🐛 Unreliable cloud sync
  • 🐛 Inconsistent page rendering
  • 🐛 Buggy text highlighting and annotation
  • 🐛 Slow loading times
  • 🐛 Confusing navigation

More Thorium Reader apps to explore

FAQ about Thorium Reader

What are the best thorium reader apps for iPhone?
Thorium Reader tops our thorium reader apps ranking as of October 2026, with a 3.4-star average from 12 App Store ratings, and it's free to download.
Yes — 20 of the top thorium reader apps we rank are free to download, including Thorium Reader and Epub Reader -read epub,chm,txt.
Thorium Reader has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ thorium reader apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.