Calamus Compile vs WriterDuet
| Calamus Compile | WriterDuet | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | |
| Paid from | $4.99/mo | Free |
| Platforms | iOS, macOS, Web | Web, Windows, macOS, Linux, iOS, Android |
| Free plan | No | Yes |
| Ebook export | Yes | |
| Print PDF export | Yes | |
| Layout model | both | |
| Publishing tools | Yes | |
| Real-time collaboration | Yes | |
| Version history | Yes | |
| Offline mode | Yes | |
| Mobile apps | Yes | |
| Export formats | extensive |
Listed together in Best Writing Apps