Readest is a modern, open-source ebook reader for Windows, macOS, Linux, iOS, Android, and the web.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Flathub
- Flatpak




There are many alternatives to KOReader for Android if you are looking for a replacement. The best Android alternative is Readest, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to KOReader and many of them are available for Android so hopefully you can find a suitable replacement. Other interesting Android alternatives to KOReader are Librera Reader, PDFgear, Koodo Reader and MuPDF.
Readest is a modern, open-source ebook reader for Windows, macOS, Linux, iOS, Android, and the web.




Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.




Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.




Koodo Reader is a powerful ebook reader designed to provide a simple and easy-to-use reading experience.




MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.




The Kindle app puts millions of books, magazines, newspapers, comics, and manga at your fingertips.




Material3 eBook reader - Book's Story. Built with Jetpack Compose. Free & Open Source & Ad Free. 4 supported file formats (.txt, .pdf, .epub, .fb2), 2 supported languages. Lots of customization.






Openlib is an open source app to download and read books from shadow library (Anna’s Archive). The App Has Built In Reader to Read Books.








Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats. Supports chapters, bookmarks, page style. Saves the current reading position. Automatic detection and display of the list of all supported documents on your device.




Storyteller is a self-hosted platform for creating and reading ebooks with synced narration. It's made of three components: the API server, the web interface, and the mobile apps. Together, these components allow you to take audiobooks and ebooks that you already own and...




Better UI and cloud storage option .