Alert21 vs SMSPortal
| Alert21 | SMSPortal | |
|---|---|---|
| Free plan | Yes | |
| Paid from | $0.08/mo | |
| Platforms | Web | api, Web |
| Pay-as-you-go | Yes | |
| SMS API | Yes | |
| Delivery status | Yes | |
| Webhooks | Yes | |
| Free plan | Yes | |
| Workflow automation | Yes | |
| Audience segmentation | Yes | |
| MMS support | No | |
| Inbound messaging | Yes | |
| Compliance tools | Yes |
Listed together in Best Transactional SMS Software