Letterbird vs Sympa
| Letterbird | Sympa | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | |
| Paid from | Free | Free |
| Platforms | Web | api, Linux, macOS, self-hosted, Web |
| Free plan | Yes | |
| Newsletter website | Yes | Yes |
| Custom domain | Yes | Yes |
| Paid subscriptions | Yes | |
| API access | Yes |
Listed together in Best Newsletter Platforms