Best Apps For Reading Books Online

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated October 2026

Looking for free apps for reading books online? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Apps For Reading Books Online (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Barnes & Noble NOOKBarnes & Noble NOOKFree4.7★ (119K)YesNoNov 2026
2Amazon Kindle: Reading AppAmazon Kindle: Reading AppFree4.9★ (5.9M)NoNoNov 2026
3Apple BooksApple BooksFree4.6★ (135K)NoNoNov 2026
4CloudLibraryCloudLibraryFree4.8★ (264K)NoNoNov 2026
5WebiRead - Make reading simpleWebiRead - Make reading simpleFree2.9★ (18)YesYesOct 2026
6Now ChapterNow ChapterFree—YesYesOct 2026
7Kobo Books & AudiobooksKobo Books & AudiobooksFree4.5★ (28K)NoNoNov 2026
8BookSpriteBookSpriteFree—NoYesOct 2026

Top Picks for Apps For Reading Books Online

Barnes & Noble NOOK#1

Barnes & Noble NOOK by Barnes & Noble

eBooks, audiobooks, and more
Editor's Choice
📚 Books
4.7😐(119K ratings)
FreeAds
#44in Books
Barnes & Noble NOOK screenshot 1
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Access a vast digital library of millions of eBooks, graphic novels, comics, manga, magazines, and audiobooks. Enjoy personalized recommendations, customize your reading and listening experience, and sync content across all your devices. Share your favorite reads with friends and discover free titles.

What We Love

  • 📚 Great for reading books and magazines
  • 🔍 Convenient search and discovery features
  • 🌈 Customizable reading experience
  • 📱 Seamless experience across devices

Room to Improve

  • 🐛 Bugs and crashes with large files
  • 📥 Difficulty downloading and accessing purchased books
  • 🔍 Inconsistent search and organization features
  • 🔌 Drains device battery quickly
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 a vast library of eBooks, magazines, and comics on your mobile device. Customize your reading experience with adjustable text, brightness, and page-turning options. Look up words, track progress, and sync across devices.

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
Apple Books#3

Apple Books by Apple Inc.

Read, listen, discover.
Worth Considering
📚 Books
4.6😐(135K ratings)
Free
Apple Books screenshot 1
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Apple Books screenshot 5

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

  • 🚀 Seamless integration across devices
  • 📚 Vast library of books available
  • 👍 User-friendly interface
  • 🎧 Exceptional audiobook experience

Room to Improve

  • 🐛 Books get deleted from local storage
  • 🐛 Unreliable syncing between devices
  • 🔒 Lack of audio closed captions
  • 🤔 Pricing concerns for some books
  • 🤔 Frustrating UI changes in recent updates

More Apps For Reading Books Online apps to explore

FAQ about Apps For Reading Books Online

What are the best apps for reading books online for iPhone?
Barnes & Noble NOOK tops our apps for reading books online ranking as of October 2026, with a 4.7-star average from 119K App Store ratings, and it's free to download.
Yes — 20 of the top apps for reading books online we rank are free to download, including Barnes & Noble NOOK and Amazon Kindle: Reading App.
Barnes & Noble NOOK shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ apps for reading books online on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.