OpenEMM vs Substack
| OpenEMM | Substack | |
|---|---|---|
| Free plan | Yes | Yes |
| Paid from | Free | Free |
| Platforms | Web, Windows, macOS, Linux | Android, iOS, Web |
| Free plan | Yes | Yes |
| Email automation | Yes | Yes |
| Audience segmentation | Yes | Yes |
| Landing pages | Yes | |
| A/B testing | Yes |
Listed together in Best Email Marketing Software