Letterbird vs Substack
| Letterbird | Substack | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Newsletter website | Yes | — |
| Custom domain | Yes | — |
| Paid subscriptions | Yes | — |
Both are listed in Best Newsletter Platforms. On Freedom251, Substack scores higher on our published basis.