Substack vs Twilio SendGrid
| Substack | Twilio SendGrid | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $19.95/mo |
| Open source | No | No |
| Platforms | Web, iOS, Android | api |
| Free plan | Yes | No |
| Email automation | Yes | — |
| Audience segmentation | Yes | — |
| Paid from | — | 19.95 /mo |
Both are listed in Best Email Marketing Software. On Samsung Mobile US Press, Substack scores higher on our published basis.