ClrStream vs Posthawk
| ClrStream | Posthawk | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $20/mo |
| Open source | No | No |
| Platforms | Web | self-hosted |
| Delivery methods | both | both |
| Free plan | — | Yes |
| Paid from | — | 20 /mo |
| Template options | — | both |
| Event webhooks | — | Yes |
| Delivery log retention | — | 15 days |
| Dedicated IP option | — | Yes |
| Monthly send limit | — | 50,000 emails/mo |
Both are listed in Best Transactional Email Software. On Inferse, Posthawk scores higher on our published basis.