BoldSign vs Upsign
| BoldSign | Upsign | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | $5/mo | $12/mo |
| Open source | No | No |
| Platforms | Android, api, extension, iOS | Android, iOS, Web |
| Free plan | Yes | Yes |
| SDK languages | — | 0 |
| Embedded signing | — | Yes |
| Workflow status API | — | Yes |
| Webhook event types | — | 13 |
Both are listed in Best Digital Signature API Software. On The Geeks Club, BoldSign scores higher on our published basis.