Retainful vs Substack
| Retainful | Substack | |
|---|---|---|
| Free plan | Yes | Yes |
| Paid from | $14/mo | Free |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Paid from | 14 /mo | |
| Subscriber limit | 1,000 contacts | |
| Monthly send limit | 10,000 emails/mo | |
| Email automation | Yes | Yes |
| Audience segmentation | Yes | Yes |
| A/B testing | Yes |
Listed together in Best Email Marketing Software