Best Free PDF Books Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated November 2026

The best free pdf books apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Free PDF Books Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1eBook Search - download bookseBook Search - download booksFree4.5★ (3.5K)YesNoNov 2026
2Amazon Kindle: Reading AppAmazon Kindle: Reading AppFree4.9★ (5.9M)NoNoNov 2026
3PocketBook ReaderPocketBook ReaderFree4.5★ (10K)NoYesNov 2026
4PDF Editor ,PDF Book Reader ®PDF Editor ,PDF Book Reader ®Free4.3★ (22K)NoYesNov 2026
5SimplePDF Reader & ViewerSimplePDF Reader & ViewerFree—YesNoJul 2026
6PDF to BooksPDF to BooksFree4.3★ (3)NoNoNov 2026
7Apple BooksApple BooksFree4.6★ (149K)NoNoNov 2026
8Bookview PDF ReaderBookview PDF ReaderFree—NoNoMay 2026

Top Picks for Free PDF Books

eBook Search - download books#1

eBook Search - download books by Inkstone Software, Inc.

Paper free book library
Editor's Choice
📚 Books
4.5😊(3.5K ratings)
FreeAds
eBook Search - download books screenshot 1
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Access a vast digital library of over 2 million free eBooks across all genres. Instantly download titles directly to your preferred reading device, including Kindle, Nook, and iBooks, without needing a library card. Discover classics, thrillers, and more, all available at your fingertips.

What We Love

  • 💻 Easy to use
  • 📚 Great selection of books
  • 🆓 Many free books available
  • 🔍 Helpful search functionality
  • 📱 Seamless integration with other reading apps

Room to Improve

  • 🔍 Difficult to browse and discover books
  • ⚠️ Some books unavailable or require payment
  • 📄 Blank or incomplete book downloads
  • 🌐 Redirects to other apps for book access
  • 💤 Slow or unresponsive at times
Amazon Kindle: Reading App#2

Amazon Kindle: Reading App by AMZN Mobile LLC

Read books. Millions of ebooks
Strong Contender
📚 Books
4.9😊(5.9M ratings)
Free
#4in Books
Amazon Kindle: Reading App screenshot 1
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Access and read millions of ebooks, magazines, and comics on your device. Customize your reading experience with adjustable text, brightness, and layout. Sync your progress, notes, and highlights across all your devices seamlessly.

What We Love

  • 📚 Huge library of books
  • 📱 Portable and convenient
  • 🔍 Useful features like dictionary lookup and highlighting
  • 🌙 Adjustable reading settings (font, brightness, etc.)
  • 🔁 Seamless syncing across devices
  • 💰 Affordable books and Kindle Unlimited subscription

Room to Improve

  • 🛒 Cannot purchase books directly in the app
  • 🗂️ Difficulty organizing and managing large book libraries
  • 🔍 Inconsistent behavior when highlighting/taking notes
  • 🔄 Unreliable syncing between devices
  • 🔌 Drains device battery quickly
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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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 Free PDF Books apps to explore

FAQ about Free PDF Books

What are the best free pdf books apps for iPhone?
eBook Search - download books tops our free pdf books apps ranking as of November 2026, with a 4.5-star average from 3.5K App Store ratings, and it's free to download.
eBook Search - download books shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ free pdf books apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.