Comparison

PDF Library eBook Reader vs EPUB Reader

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

Head to head
About

PDF Library eBook Reader

Effortlessly read, organize, and sync your PDF eBooks across devices. Features include flexible display options, dark mode, auto-save reading progress, and customizable collections. An optional Pro version unlocks advanced organization tools.

Highlights
  • Organize PDF collection
  • Sync across devices
  • Flexible display options
  • Dark mode reading
  • Auto-save reading progress
  • Customizable collections (Pro)
Features
Read full description

Read, Organize, and Sync Your PDF eBooks Effortlessly PDF Library is the ultimate solution for reading long-form PDF documents and eBooks. Seamlessly manage, organize, and sync your PDF collection across all your devices, ensuring you have easy access wherever you are. Key Features: - Flexible Display Options: View your documents as customizable cards or a streamlined list in your Library. - Pin Your Favorites: Keep important PDFs at the top of your Library for quick access. - Dark Mode: Enjoy comfortable reading with less eye strain, day or night. - Custom App Icons: Personalize your home screen with unique app icons. - iCloud Sync: Securely sync your entire PDF Library across iPhone, iPad and Mac. - Home Screen Widgets: Instantly access recent PDFs right from your home screen. PDF Reader Features: - Auto-Save Reading Progress: Your place is saved automatically, so you’ll never lose track of where you left off. - Flexible Reading Modes: Read in Single-Page or Continuous mode, with both horizontal and vertical scrolling options. - Sepia Reading Mode: Reduce eye strain with a warm, soft color filter that provides a gentler reading experience. - Easy Navigation: Use the built-in Table of Contents for quick jumps to sections within any document. Organize Your PDF Library: - Track Reading Status: Mark PDFs as "Read Next", "Finished", or add them to your Favourites list for easy access. - Archive Documents: Clear up your Library by moving completed or inactive PDFs to the Archive. PDF Library Pro – Unlock Advanced Features: Enjoy PDF Library free with no limits on the number of PDFs you can store. Upgrade to PDF Library Pro with a one-time purchase to enhance your reading experience and support independent app development. Pro Features Include: - Organize into Collections: Create personalized Collections to group and sort your PDFs. - Edit Titles & Authors: Customize your Library’s display by editing document titles and authors. - Change Cover Art: Update the cover images of your PDFs for better organization and visual appeal. PDF Library Pro supports Family Sharing – so you can share these advanced features with your family members at no extra cost! PDF Library is perfect for students, researchers, and professionals. Whether you're at uni, working on university papers, or diving into educational ebooks and scientific research, PDF Library makes reading and managing your documents effortless. With features designed to streamline your workflow, it's ideal for organizing class notes, research papers, and ebooks for study or work. Privacy Policy: https://verbia.com/privacy Terms of Use: https://verbia.com/terms

About

EPUB Reader

Customize your reading experience with extensive font and layout options. Effortlessly manage your library, track reading habits, and enjoy eye-care features. Sync your books across devices via cloud storage without proprietary lock-in.

Highlights
  • 200+ built-in fonts and custom font import
  • Adjustable text and layout settings
  • Smart dark mode with intelligent image inversion
  • 20-20-20 eye health reminders
  • Library management for 5,000+ books
  • Cloud sync via iCloud, Dropbox, Google Drive, OneDrive
  • Highlighting, notes, and bookmarking
  • Reading progress tracking and goal setting
Features
Read full description

EPUB, PDF, comics, and audiobooks in one native iOS reader. Fast, deeply customizable, and built to disappear so you can simply read. FOUR FORMATS, ONE SHELF Read EPUB 3 and PDF. Read CBZ and CBR comics and manga, with two-page spreads, double-tap zoom, and a reading direction you set per book. Listen to audiobooks with chapters, a sleep timer, Car Mode, and CarPlay. Or follow along with EPUB 3 narration, where the text highlights in time with the voice. READ ALOUD Any book can be read to you, by any Apple voice on your device or by natural neural voices in 31 languages that you download once and then run offline. The sentence highlights as it is spoken and the pages turn on their own, with speed presets, sentence skips, a sleep timer, and Lock Screen controls. Prepare a book in advance and keep listening with the screen off. TYPOGRAPHY YOU CONTROL 200+ fonts, or import your own. Tune size, weight, line and paragraph spacing, alignment, hyphenation, and separate margins for portrait and landscape. Save settings per book so a novel, a textbook, and poetry each look right. Build your own color themes and let them switch at sunset. Choose which buttons the reader toolbar shows and where a tap opens it, and give links their own color and style. Smart dark mode keeps images natural, and in-reader brightness, Line Focus, and eye-care break reminders protect your eyes. NO LOCK-IN, EVER Your books stay ordinary files in an ordinary folder, never a proprietary database. Point justread at any folder: on device, iCloud Drive, or one your cloud app syncs through Files. Import from a Calibre server or any OPDS catalog. Email a book to your Kindle or PocketBook. IN SYNC WITH YOUR E-READER Your reading position follows you to any e-reader running KOReader, a Kobo included, in both directions. Connect a self-hosted Grimmory server to browse and download its books, send books to it, and keep status, ratings, highlights, notes, and bookmarks in step both ways. A LIBRARY THAT SCALES Thousands of books with no lag, and a book opens in about a second. Instant search by title, author, or series. Automatic metadata and series detection, 11 sort modes, saved filters, collections, and tags. Edit any book's details by hand, description included. Spotlight opens any book from your home screen. HIGHLIGHTS, NOTES, BOOKMARKS Highlight, underline, and attach a note. Browse every highlight across your whole library in one place, share a quote as a card, or export to Markdown, PDF, or Readwise. YOUR READING, IN NUMBERS Daily goals, a yearly books goal, streaks, and milestone badges. An hourly heatmap shows when you read best. Monthly and yearly recaps, plus a story-style Reading Wrap that turns your year into cards worth sharing. AND THE REST Home screen and lock screen widgets. Dictionary and translation. Full-text search and a nested table of contents. iCloud sync, so you resume on the exact line on any device. Right-to-left and Japanese vertical text. A page curl, if you want one. Free for 14 days, then a subscription or a lifetime purchase, both with Family Sharing. Available in 18 languages. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://justread.app/en/privacy_policy

Screenshots

PDF Library eBook Reader4 screens
EPUB Reader4 screens

Verdict

The call

The clearest difference is rating: EPUB Reader at 4.7 against PDF Library eBook Reader's 4.3. EPUB Reader also leads on update cadence (every 5 days vs monthly) and review sentiment (83% vs 60%). On price, ads, in-app purchases and monetization model 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 Library eBook Reader sells 1 one-off in-app purchase and EPUB Reader sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

EPUB Reader holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 12 and 48 respectively. Written reviews point the same way: 60% of PDF Library eBook Reader's written reviews are positive against 83% of EPUB Reader's.

UpkeepUpdate frequency

PDF Library eBook Reader ships an update monthly, EPUB Reader every 5 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Library eBook Reader versus EPUB Reader: the parameters behind the verdict, then further details
ParameterPDF Library eBook ReaderEPUB Reader
PriceFreeFree
Rating4.3 (12 ratings)4.7 (48 ratings) — better
Positive reviews60.0% of reviews82.5% of reviews — better
Number of ratings1248 — better
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.0 — better18.1
Further details — not scored
Size8 MB202 MB
Age rating4+4+
DeveloperVerbia SystemsPETR JAHODA

Customer experience

PDF Library eBook Reader

All ratings12 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive60.0%
Neutral40.0%
Negative0.0%

EPUB Reader

All ratings48 ratings
Positive89.6%
Neutral6.3%
Negative4.2%
Written reviews40 reviews
Positive82.5%
Neutral10.0%
Negative7.5%

In-app purchases

1 purchases

PDF Library eBook Reader

One-time1
  • PDF Library Pro$19.99
7 purchases

EPUB Reader

Subscriptions5
  • Monthly Premium14 Days trial$2.991 Month
  • Monthly: Read Aloud Offline$4.991 Month
  • Yearly – Launch Price7 Days trial$12.491 Year
Show 2 more
  • Yearly Premium14 Days trial$24.991 Year
  • Yearly: Highlights & Notes$29.991 Year
One-time2
  • Lifetime – Launch Price$29.99
  • Lifetime: Library & Kindle$79.99

Questions

Is PDF Library eBook Reader free?
PDF Library eBook Reader is free to download, with in-app purchases available.
Is EPUB Reader free?
EPUB Reader is free to download, with in-app purchases available.
Which has better reviews, PDF Library eBook Reader or EPUB Reader?
EPUB Reader is rated higher. PDF Library eBook Reader averages 4.3 out of 5 from 12 ratings, while EPUB Reader averages 4.7 from 48 ratings.
Do PDF Library eBook Reader or EPUB Reader have ads?
Neither PDF Library eBook Reader nor EPUB Reader shows ads.
Which is updated more often, PDF Library eBook Reader or EPUB Reader?
PDF Library eBook Reader ships an update monthly, and EPUB Reader every 5 days. Most recently, PDF Library eBook Reader was updated on October 10, 2026 and EPUB Reader on October 15, 2026.

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