Quillstone vs Scriptorium
| Quillstone | Scriptorium | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS | Windows |
| Free plan | Yes | Yes |
| Book outlining | Yes | Yes |
| Continuity tools | Yes | Yes |
| Rewrite controls | Yes | — |
| Export formats | EPUB, PDF, M4B | EPUB, PDF |
| Chapter workspace | — | Yes |
Both are listed in Best AI Book Writing Software. On Samsung Mobile US Press, Scriptorium scores higher on our published basis.