Adobe Digital Editions
- Used to read EPUB and PDF formats with DRM protection
- Suitable for library downloads and commercial e-books
- Offers bookmarks, highlights, and multi-device sync
- Supports both online and offline reading
- Works on Windows, macOS, Android, and iOS
Amazon Kindle App
- Required for reading AZW, MOBI, and Kindle-formatted books
- Available for desktops, smartphones, and Kindle devices
- Syncs last read position and notes across devices
- Offers dictionary, translation, and text-size control
- Integrated with Amazon’s e-book store
Google Play Books
- Reads EPUB and PDF files, both purchased and uploaded
- Allows cloud syncing and offline reading
- Integrated with Google Drive and Gmail for direct access
- Offers font customization and night mode
- Available on Android, iOS, and web browsers
Apple Books (formerly iBooks)
- Native app for reading EPUB and IBA formats on Apple devices
- Supports highlighting, note-taking, and audio playback
- Offers a store for buying and downloading books
- Only available on iOS and macOS platforms
- Ideal for users in the Apple ecosystem
Calibre E-book Reader
- Open-source software for reading and managing various e-book formats
- Supports EPUB, MOBI, PDF, AZW, and more
- Allows format conversion, metadata editing, and library management
- Suitable for offline reading and e-book collection organization
- Available on Windows, macOS, and Linux platforms