Best Free Ebook Reader Apps for iPhone in 2026: Top 10 Picks

Reading on iPhone has never been better. With high-resolution OLED displays on the iPhone 15 and 16 series, your iPhone is a capable ebook reader—especially with the right app. Here are the 10 best free ebook reader apps for iPhone in 2026, covering everything from Kindle compatibility to open-source EPUB readers.

1. Kindle (Amazon)

The most popular ebook reader app for iPhone. Access your entire Amazon library, adjust fonts and brightness, sync across devices, and use X-Ray to look up characters or places. The free Kindle app works with any Amazon account—no Kindle device needed. Best for Amazon purchasers.

Free | Download Kindle →

2. Apple Books

Built into every iPhone, Apple Books offers a clean reading experience, iCloud sync across Apple devices, and a built-in store with millions of titles. Many classics are free. The auto-night-mode and custom fonts work well. Best for users already in the Apple ecosystem.

Free (pre-installed)

3. Google Play Books

Google's free reader works with EPUB and PDF uploads as well as Google Play Store purchases. The "Snap to page" feature and adjustable text spacing make it comfortable for long sessions. Syncs with Android for cross-device reading.

Free | Download Google Play Books →

4. Libby (OverDrive)

Libby lets you borrow ebooks and audiobooks from your public library for free—no purchase needed, just a library card. Supports thousands of public libraries worldwide. Arguably the best free reading value available on iPhone in 2026.

Free (requires library card) | Download Libby →

5. Kobo by Rakuten

Kobo is Amazon's main competitor in ebooks. The iPhone app syncs with Kobo's store and e-reader devices. Supports Adobe DRM, night mode, and custom fonts. Good alternative if you want to shop outside Amazon's ecosystem.

Free | Download Kobo →

6. Bookmate

Subscription-based reading service with a large catalog. Free tier gives limited access; premium is around $9.99/month. Best for heavy readers who consume multiple books per month.

Free (limited) / $9.99/month | Download Bookmate →

7. Marvin 3

The power-user's EPUB reader for iPhone. Supports extensive metadata editing, custom CSS injection, reading goals, and Goodreads sync. No built-in store—bring your own EPUB files. Best for serious readers with personal ebook collections.

Free (core) / $3.99 premium | Download Marvin 3 →

8. Bookviser Reader

Clean EPUB/FB2/PDF reader with a metro-style interface. Supports custom fonts, background colors, and page-turn animations. Good for reading DRM-free EPUB files on iPhone.

Free | Available on App Store

9. Moon+ Reader (via Alreader for iOS)

Moon+ Reader is the gold standard on Android; iOS users can get similar functionality with Alreader or EPUB File Reader. Supports EPUB, FB2, HTML, and PDF. Highly customizable with scrolling modes and font options.

Free

10. Scribd

Scribd is a subscription reading service ($11.99/month) that includes ebooks, audiobooks, magazines, and documents. The free trial gives full access for 30 days. Best for readers who want a Netflix-style all-you-can-read service.

$11.99/month (30-day free trial) | Download Scribd →

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