Esup-Signature vs Formstack Sign
| Esup-Signature | Formstack Sign | |
|---|---|---|
| Free plan | Yes | No |
| Paid from | Free | $250/mo |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Android, api, iOS, Web |
| Audit trail | Yes | Yes |
| Document templates | Yes | |
| Bulk sending | Yes | Yes |
| API access | Yes | Yes |
| SMS authentication | Yes | |
| Signature order | both | |
| Free plan | No | |
| Signing order | sequential |
Listed together in Best E-Signature Software