Google Play Books is a digital distribution service for e-books and audiobooks developed by Google. Users can purchase and download eBooks and...
Free with in-app purchases
Best KOReader Alternatives ranked by AI · updated Aug 2026
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KOReader is a free, open-source reading application for ebooks, PDFs, and comic formats. It is aimed at users who prioritize format support, advanced document controls, and local-file ownership on supported e-readers and mobile platforms.
Top 6 KOReader alternatives
Calibre is a free and open-source e-book management tool that allows users to organize, edit, and read e-books in various formats.
3
BookWorm is a digital library management software for organizing and tracking books.
Free version available, premium plans starting at $5/month
Libby is an app that allows users to borrow ebooks and audiobooks from their local library for free.
Librera Reader is a versatile e-book reader with a modern interface and support for various file formats.
Free with in-app purchases
Foliate is a simple and modern eBook viewer for Linux desktops. It supports EPUB, MOBI, and AZW formats, and offers a clean...
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