Best EPUB Reader Apps for Every Device in 2026 (Free)

Looking for the best EPUB reader for your device? Here's a curated list of the best free EPUB readers for Windows, Mac, Android, iPhone, iPad, and Chromebook — plus when converting to PDF is the smarter option.

Best EPUB Readers for Windows

1. Calibre (Best Overall)

Calibre is the most powerful free ebook manager for Windows. It reads EPUB, MOBI, AZW, PDF, and dozens of other formats. Beyond reading, it offers library management, metadata editing, and format conversion. It's the go-to tool for serious ebook users on Windows.

• Formats: EPUB, MOBI, AZW, PDF, TXT, HTML, and more
• Features: Library management, format conversion, metadata editing
• Price: Free and open-source

2. Sumatra PDF

Sumatra PDF is a lightweight, fast reader for Windows that supports EPUB, PDF, MOBI, and other formats. It's perfect if you just want to read without the complexity of a full library manager.

3. Microsoft Edge

The built-in Microsoft Edge browser on Windows 10 and 11 can open EPUB files directly. Just drag an EPUB file into an Edge window. The reading experience is basic but functional.

Best EPUB Readers for Mac

1. Apple Books (Best for Mac)

Apple Books comes pre-installed on every Mac. It has native EPUB support with a beautiful reading interface, bookmarks, highlights, and iCloud sync across your Apple devices.

2. Calibre for Mac

Same features as the Windows version. Excellent if you need library management alongside reading.

Best EPUB Readers for Android

1. ReadEra (Best for Android)

ReadEra is a free, ad-free ebook reader that supports EPUB, PDF, MOBI, DOC, and more. It has a clean interface, customizable fonts, and no account required. It's the best free EPUB reader on Android.

2. Google Play Books

Google Play Books comes pre-installed on most Android devices. You can upload your own EPUB files to your Google Books library and read them for free. It also syncs reading progress across devices.

3. Moon+ Reader

Moon+ Reader is a popular Android reader with a highly customizable reading experience — themes, gestures, auto-scrolling, and OPDS catalog support.

Best EPUB Readers for iPhone and iPad

1. Apple Books (Best for iOS)

Apple Books is pre-installed on every iPhone and iPad. It handles EPUB natively with excellent typography, night mode, and seamless iCloud sync. For most iOS users, this is all you need.

2. KyBook 3

KyBook 3 is a free alternative with more advanced features like OPDS catalog browsing, multiple format support, and customizable reading settings.

Best EPUB Readers for Chromebook

Chromebooks don't have a built-in EPUB reader, but you can:

• Google Play Books — Available through the Play Store on most Chromebooks.
• ReadEra — Available as an Android app on Chromebook.
• Convert to PDF — Use CheersPDF in Chrome to convert EPUB to PDF and read it in the browser.

Alternative: Just Convert EPUB to PDF

If you don't want to install any reader app, the simplest solution is to convert your EPUB to PDF. PDF is supported natively on every device and every browser. With CheersPDF, you can convert EPUB to PDF for free, instantly, right in your browser — no app download, no file upload, no account needed.

This is especially useful when you need to print an ebook, share it with someone, or annotate it for study.

Editorial Contributor

Written by Salma Tariq

Salma leverages neuro-ophthalmology data to optimize backlight compensation protocols, heavily influencing dark-mode CSS architectures in converted books.