First Book ai vs Kosmos
| First Book ai | Kosmos | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Platforms | Web | Web |
| Free plan | No | No |
| Book outlining | Yes | Yes |
| Chapter workspace | Yes | Yes |
| Rewrite controls | Yes | No |
| Export formats | Word (.docx), EPUB, Markdown, PDF | Markdown |
| Continuity tools | Yes |
Listed together in Best AI Book Writing Software