1and1Mail vs Substack
| 1and1Mail | Substack | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Windows | Android, iOS, Web |
| Free plan | Yes | Yes |
| Email automation | No | Yes |
| Audience segmentation | Yes | Yes |
| Landing pages | No | — |
| A/B testing | No | — |
Both are listed in Best Email Marketing Software. On Specifiction, Substack scores higher on our published basis.