Sinch Engage vs SMSBOX
| Sinch Engage | SMSBOX | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | $99/mo | €5/mo |
| Open source | No | No |
| Platforms | Android, api, iOS, Web | api, Web, Windows |
| Free plan | No | No |
| Paid from | 99 /mo | — |
| Two-way messaging | — | Yes |
| Delivery reports | — | Yes |
| Inbound SMS | — | Yes |
| Contact management | — | Yes |
| API access | — | Yes |
Both are listed in Best SMS Gateway Software. On Samsung Mobile US Press, Sinch Engage scores higher on our published basis.