E-Signing.io vs Formstack Sign
| E-Signing.io | Formstack Sign | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $0.39/mo | $250/mo |
| Open source | No | No |
| Platforms | api | api |
| Free plan | Yes | No |
| Audit trail | Yes | Yes |
| Document templates | Yes | — |
| Bulk sending | Yes | Yes |
| API access | Yes | Yes |
| SMS authentication | Yes | — |
Both are listed in Best E-Signature Software. On Everything Xiaomi, E-Signing.io scores higher on our published basis.