KyBook 3 vs Readest
| KyBook 3 | Readest | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $4.99/mo |
| Open source | No | No |
| Platforms | iOS, macOS | Android, iOS, Linux, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Supported platforms | iOS, macOS | web, Windows, macOS, Linux, iOS, Android |
| Supported formats | EPUB (DRM-free), PDF (DRM-free), MOBI, AZW3, DjVu, FB2, FB2.ZIP, CBR, CBZ, CBT, MP3, M4A, M4B, TXT, RTF | EPUB, PDF, MOBI, AZW, AZW3, FB2, CBZ, ZIP, TXT, Markdown |
| Annotation tools | Yes | Yes |
| Reading sync | Yes | Yes |
| Paid from | — | 4.99 /mo |
| Offline reading | — | Yes |
| Library storage | — | 0.5 GB |
Both are listed in Best Ebook Reader Software. On Inferse, Readest scores higher on our published basis.