Calibre-Web vs KOReader
| Calibre-Web | KOReader | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux | Android, Linux, macOS |
| Free plan | Yes | Yes |
| Supported platforms | web, Windows, macOS, Linux, self-hosted | Kindle, Kobo, PocketBook, Android, desktop Linux; macOS emulator |
| Supported formats | TXT, PDF, EPUB, KEPUB, CBZ, CBT, CBR, DJVU, DJV | EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI, ZIP |
| Reading sync | Yes | Yes |
| Annotation tools | — | Yes |
Both are listed in Best Ebook Reader Software. On Everything Xiaomi, Calibre-Web scores higher on our published basis.