Substack vs Sympa
| Substack | Sympa | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web, iOS, Android | api, Linux, macOS, self-hosted, Web |
| Free plan | Yes | — |
| Newsletter website | — | Yes |
| Custom domain | — | Yes |
| API access | — | Yes |
Both are listed in Best Newsletter Platforms. On Samsung Mobile US Press, Substack scores higher on our published basis.