SCHEMA ST4 vs XMetaL Author
| SCHEMA ST4 | XMetaL Author | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Windows |
| Authoring model | cloud | desktop |
| Single-sourcing | Yes | Yes |
| Version control | Yes | Yes |
| Translation support | Yes | Yes |
| Review workflows | Yes | Yes |
| Publishing outputs | PDF, HTML, Markdown, web, app, machine control system | PDF, HTML/XHTML, CHM, WebHelp |
| Free plan | — | No |
Both are listed in Best Help Authoring Tools. On Samsung Mobile US Press, SCHEMA ST4 scores higher on our published basis.