Best Mobile Book Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated October 2026

Out of 250+ mobile book 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 Mobile Book Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CloudLibraryCloudLibraryFree4.8β˜… (264K)NoNoNov 2026
2Amazon Kindle: Reading AppAmazon Kindle: Reading AppFree4.9β˜… (5.9M)NoNoNov 2026
3Apple BooksApple BooksFree4.6β˜… (136K)NoNoNov 2026
4Goodreads: Book Tracker & MoreGoodreads: Book Tracker & MoreFree4.8β˜… (762K)NoNoNov 2026
5Barnes & Noble NOOKBarnes & Noble NOOKFree4.7β˜… (119K)YesNoNov 2026
6CRDL MobileCRDL MobileFreeβ€”NoNoAug 2026
7NVDPL Mobile LibraryNVDPL Mobile LibraryFreeβ€”NoNoAug 2026
8Bellaire City Library MobileBellaire City Library MobileFreeβ€”NoNoJul 2026

Top Picks for Mobile Book

CloudLibrary#1

CloudLibrary by OCLC

browse, borrow and enjoy
Editor's Choice
πŸ“š Books
4.8😐(264K ratings)
Free
#32in Books
CloudLibrary screenshot 1
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CloudLibrary screenshot 6

Manage your library account and discover new content. Borrow physical items, access eBooks and audiobooks, and receive helpful reminders. Personalize your reading experience and stay organized with this intuitive library companion.

What We Love

  • πŸš€ Easy to use
  • πŸš€ Convenient access to library books
  • πŸš€ Wide selection of books
  • πŸ‘ Great resource during the pandemic
  • πŸ‘ Ability to read/listen on multiple devices

Room to Improve

  • πŸ› Frequent crashes and bugs
  • πŸ› Unreliable page/progress tracking
  • πŸ› Inconsistent user experience
  • πŸ› Slow performance and loading times
  • πŸ› Confusing navigation and interface
Amazon Kindle: Reading App#2

Amazon Kindle: Reading App by AMZN Mobile LLC

Read books. Millions of ebooks
Strong Contender
πŸ“š 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

  • πŸ“š Huge library of books
  • πŸ“± Portable and convenient
  • πŸ” Useful features like dictionary lookup and highlighting
  • πŸŒ™ Adjustable reading settings (font, brightness, etc.)
  • πŸ” Seamless syncing across devices
  • πŸ’° Affordable books and Kindle Unlimited subscription

Room to Improve

  • πŸ›’ Cannot purchase books directly in the app
  • πŸ—‚οΈ Difficulty organizing and managing large book libraries
  • πŸ” Inconsistent behavior when highlighting/taking notes
  • πŸ”„ Unreliable syncing between devices
  • πŸ”Œ Drains device battery quickly
Apple Books#3

Apple Books by Apple

Read, listen, discover.
Worth Considering
πŸ“š Books
4.6😐(136K ratings)
Free
Apple Books screenshot 1
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Discover, read, and listen to millions of books and audiobooks. Browse curated collections, personalized recommendations, and bestsellers. Customize your reading experience with various themes and settings, and set reading goals to build a habit. Share your library with family.

What We Love

  • πŸš€ Seamless integration across devices
  • πŸ“š Vast library of books available
  • πŸ‘ User-friendly interface
  • 🎧 Exceptional audiobook experience

Room to Improve

  • πŸ› Books get deleted from local storage
  • πŸ› Unreliable syncing between devices
  • πŸ”’ Lack of audio closed captions
  • πŸ€” Pricing concerns for some books
  • πŸ€” Frustrating UI changes in recent updates

More Mobile Book apps to explore

FAQ about Mobile Book

What are the best mobile book apps for iPhone?
CloudLibrary tops our mobile book apps ranking as of October 2026, with a 4.8-star average from 264K App Store ratings, and it's free to download.
Yes β€” 20 of the top mobile book apps we rank are free to download, including CloudLibrary and Amazon Kindle: Reading App.
CloudLibrary has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ mobile book apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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