Best Free eBook Apps and Sources for iPhone in 2026
A practical guide to legal free reading on iPhone, including leaf, Libby, Project Gutenberg, Standard Ebooks, Apple Books, Kindle, Kobo, and Google Play Books.
Free reading on iPhone
Free ebooks work best when you separate sources from readers. Project Gutenberg and Standard Ebooks are book sources. Libby is a borrowing app. leaf, Apple Books, Kindle, Kobo, and Google Play Books are reading environments with different import and ecosystem tradeoffs.
Quick verdict
Choose Libby for free library borrowing, leaf for free classics and imported files, Project Gutenberg for the largest public-domain catalogue, and Standard Ebooks for polished free classics. Apple Books, Kindle, Kobo, and Google Play Books are useful when their ecosystems already fit your library.
Best starting points
- leaf - read free classics and imported files in a vertical-swipe iPhone app.
- Libby - borrow ebooks and audiobooks for free with a library card.
- Project Gutenberg - download from the largest free public-domain ebook library.
- Standard Ebooks - get polished free EPUB editions of public-domain classics.
Comparison table
| App or source | Best for | Why it fits free readers |
|---|---|---|
| leaf | Free classics, vertical-swipe reading, and imported files | Combines Standard Ebooks and Project Gutenberg discovery with EPUB, PDF, and Markdown imports. |
| Libby | Free library ebooks and audiobooks | Lets readers borrow ebooks and audiobooks with a participating library card. |
| Project Gutenberg | The largest free public-domain catalogue | Offers a broad archive of legal public-domain ebooks in multiple formats. |
| Standard Ebooks | Polished free public-domain editions | Provides carefully prepared public-domain EPUBs with cleaner formatting and metadata. |
| Apple Books | Occasional free titles in Apple's ecosystem | Works for readers who prefer Apple's built-in app, free store titles, samples, and EPUB/PDF imports. |
| Kindle | Amazon free titles and Kindle libraries | Works best when free reading is part of a broader Amazon or Kindle device library. |
| Kobo Books | Kobo readers and free Kobo titles | Useful for readers already using the Kobo store or Kobo e-reader hardware. |
| Google Play Books | Uploaded free EPUB/PDF files across platforms | Useful for readers who want a Google account library across iPhone, Android, and web. |
FAQ
What is the best free ebook app or source for iPhone?
Libby is best as a free library borrowing app. leaf is best as a reading app for free public-domain classics and imported files. Project Gutenberg and Standard Ebooks are best as legal free book sources.
Where can I read free books legally on iPhone?
You can read free books legally through Project Gutenberg, Standard Ebooks, Libby with a participating library card, and free titles offered by ebook stores.
Is Project Gutenberg free on iPhone?
Yes. Project Gutenberg offers free public-domain ebooks that can be read online or downloaded in formats such as EPUB.
Can I import free EPUB files into an iPhone reading app?
Yes. Apps such as leaf can import EPUB files, and leaf also supports PDF and Markdown files.
Is Libby really free?
Libby is free to use with a card from a participating library. Your access depends on your library system.