Thorium Reader vs Yomu EBook Reader

Thorium Reader8.9Visit Yomu EBook Reader8.4Visit

Higher score Thorium Reader #4 in Ebook Reader Software 8.9/10 Free plan Free plan✓ 2 of 3 features Visit Thorium Reader

vs

Yomu EBook Reader #8 in Ebook Reader Software 8.4/10 Free plan Free plan✓ 3 of 3 features Visit Yomu

• Thorium Reader fits best

  Accessible desktop reading with DRM support

• Yomu EBook Reader fits best

  Apple readers who export annotations

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Side by side

Feature	Thorium Reader 8.9/10 Visit ↗	Yomu EBook Reader 8.4/10 Visit ↗
At a glance
Editor score	8.9	8.4
Ranking	#4 in Ebook Reader Software	#8 in Ebook Reader Software
Best for	Accessible desktop reading with DRM support	Apple readers who export annotations
Pricing model	Free	Free plan + paid
Starting price	Free plan	$7.99 one-time
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop, Mobile	Desktop, Mobile
Platforms	Windows, macOS, Linux, iOS	iOS, macOS
Support	Email, Tickets, Community, Docs	Docs
Integrations	4 integrations	8 integrations
Built for	Solo, Small business	Solo, Small business
Features Thorium Reader 2/3 · Yomu EBook Reader 3/3
Annotation tools	✓	✓
Reading sync	Not checked yet	✓ (best)
Offline reading	✓	✓
Specs
Supported platforms	Windows, macOS, Linux, iOS, iPadOS	iOS, macOS
Supported formats	EPUB 2/3, Fixed Layout EPUB, PDF, DAISY 2.02/3, Web Publications	EPUB, MOBI, Kindle AZW/AZW3/KF8, CBZ, CBR, PDF
Library storage	Not checked yet	Not checked yet
Our review
Pros	Supports EPUB, PDF, DAISY, and Web Publications Includes annotations, bookmarks, search, and offline reading Offers keyboard navigation and screen-reader support	Reads EPUB, MOBI, Kindle, comic, and PDF files Exports metadata and annotations in text, Markdown, or JSON Supports optional iCloud sync for library, annotations, and reading state
Cons	Offline reading applies to downloaded publications OPDS browsing depends on available catalogs Readium LCP support is limited to protected LCP publications	Free version is limited to 10 documents and includes ads iOS and macOS only PDF and comic support is primarily viewer-level
Our verdict	Thorium Reader is a free digital reading application and personal library for ebooks, audiobooks, comics, manga, and documents. It is suited to readers who need broad accessibility support, offline access, and compatibility with EPUB, PDF,… Read the review →	Yomu EBook Reader is a freemium ebook app for iPhone, iPad, and Mac, aimed at people reading DRM-free books. It imports EPUB, MOBI, Kindle, comic, and PDF files, while offering library organization through folders, tags, sorting, and… Read the review →

Strengths and trade-offs

• Thorium Reader — where it wins

  • Supports EPUB, PDF, DAISY, and Web Publications
  • Includes annotations, bookmarks, search, and offline reading
  • Offers keyboard navigation and screen-reader support

  Where it doesn't

  • Offline reading applies to downloaded publications
  • OPDS browsing depends on available catalogs
  • Readium LCP support is limited to protected LCP publications

• Yomu EBook Reader — where it wins

  • Reads EPUB, MOBI, Kindle, comic, and PDF files
  • Exports metadata and annotations in text, Markdown, or JSON
  • Supports optional iCloud sync for library, annotations, and reading state

  Where it doesn't

  • Free version is limited to 10 documents and includes ads
  • iOS and macOS only
  • PDF and comic support is primarily viewer-level

• Thorium Reader8.9/10 · Free plan

  A free, accessible reader for EPUB, PDF, DAISY, and Web Publications.

  Visit Thorium ReaderFull verdict →
• Yomu EBook Reader8.4/10 · Free plan

  A capable Apple-only reader for DRM-free books and exportable annotations.

  Visit YomuFull verdict →