Certinal vs sproof sign
| Certinal | sproof sign | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api | api, Web |
| Audit trail | Yes | Yes |
| Document templates | Yes | — |
| Bulk sending | Yes | Yes |
| API access | Yes | Yes |
| SMS authentication | Yes | — |
| Signature order | both | — |
| Free plan | — | Yes |
Both are listed in Best E-Signature Software, Best Electronic Signature Software. On Everything Xiaomi, sproof sign scores higher on our published basis.