Comparison

PDF Reader vs EonBook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Reader

This app helps you track your reading progress for PDF documents. It allows you to sync your PDFs and reading status across multiple devices for a seamless experience. Customize your reading environment for optimal comfort.

Highlights
  • Track reading progress
  • Sync PDFs and progress across devices
  • Configurable reading experience
  • Document reader functionality
Features
Read full description

Track your reading progress of your PDFs. Sync the pdfs and your progress between devices. Configurable reading experience. EULA: http://www.apple.com/legal/itunes/appstore/dev/stdeula Privacy: https://privacy.logicalmagic.tech/

About

EonBook

Features
Read full description

EonBook is a minimalist ebook reader built for focused, comfortable, and distraction-free reading. Designed for readers who prefer a clean interface and complete control over their reading experience, EonBook keeps the focus on your books—not on ads, feeds, or unnecessary features. Key features: • Support for EPUB, MOBI, AZW3, and PDF • Smooth page turning and scrolling modes • Two-page layout for landscape reading on iPad • Customizable fonts, text size, line spacing, paragraph spacing, margins, and alignment • Adjustable reading themes and backgrounds • Highlight, bookmark, search, and manage important passages • Organize your library with folders, tags, and custom metadata • Reading progress and detailed reading statistics • Bilingual reading support for multilingual ebooks • Local file management for a private, independent library • Optimized reading experience for both iPhone and iPad EonBook Pro unlocks additional customization, organization, and reading statistics features with a one-time purchase. Whether you read literature, history, essays, or personal documents, EonBook is designed to help you slow down, stay focused, and enjoy every page.

Screenshots

PDF Reader4 screens
EonBook4 screens

Verdict

The call

The clearest difference is ads: EonBook at none against PDF Reader's shown. EonBook also leads on update cadence (every 3 days vs monthly) and iOS requirement (15.1 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $2.99 per month and EonBook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Reader ships an update monthly, EonBook every 3 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 6 level
PDF Reader versus EonBook: the parameters behind the verdict, then further details
ParameterPDF ReaderEonBook
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.215.1 — better
Further details — not scored
Size8 MB58 MB
Age rating4+4+
DeveloperLogical Magic Inc海声 池

In-app purchases

3 purchases

PDF Reader

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly$24.991 Year
One-time1
  • Lifetime Pro$49.99
1 purchases

EonBook

One-time1
  • Unlock Pro$5.99

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is EonBook free?
EonBook is free to download, with in-app purchases available.
Do PDF Reader or EonBook have ads?
PDF Reader shows ads; EonBook does not.
Which is updated more often, PDF Reader or EonBook?
PDF Reader ships an update monthly, and EonBook every 3 days. Most recently, PDF Reader was updated on October 15, 2026 and EonBook on October 13, 2026.

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