Calliope vs Quillhollow
| Calliope | Quillhollow | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | €8.25/mo | $49.99/mo |
| Open source | No | No |
| Platforms | Web | Windows, Android |
| Free plan | Yes | Yes |
| Publishing tools | — | Yes |
| Real-time collaboration | — | No |
| Version history | — | Yes |
| Offline mode | — | Yes |
| Mobile apps | — | Yes |
| Export formats | — | basic |
Both are listed in Best Writing Apps. On Samsung Mobile US Press, Quillhollow scores higher on our published basis.