Quillstone vs Squibler
| Quillstone | Squibler | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $29.99/mo |
| Open source | No | No |
| Platforms | macOS | Web |
| Free plan | Yes | Yes |
| Book outlining | Yes | — |
| Continuity tools | Yes | — |
| Rewrite controls | Yes | — |
| Export formats | EPUB, PDF, M4B | — |
Both are listed in Best AI Book Writing Software. On Samsung Mobile US Press, Squibler scores higher on our published basis.