OneSpan Sign
5.7#19 in e-signature apis softwareFrom $22 a monthAPI
VisitOneSpan Sign vs OpenSign
What both publish
| Fact | OneSpan Sign | OpenSign |
|---|---|---|
| API access | Yes | Yes |
| Audit trail | Yes | Yes |
| Bulk sending | Yes | Yes |
| Document templates | Yes | Yes |
| Free plan | No | Yes |
OneSpan Sign plans
- Professional$22 a month
- Enterprise—
OpenSign plans
- FreeFree
- Professional$9.99 a month
- Teams$19.99 a month
- EnterprisePriced on request
Pick OneSpan Sign if…
It suits organizations building signing workflows through an API and needing audit trails, templates, authentication, or notarization. Enterprise buyers may value embeddable signing, white labeling, and SSO.
Pick OpenSign if…
OpenSign may suit individuals and businesses that need PDF signing, reusable templates, or API-based signing workflows. It also offers self-hosting instructions for those who want to run it on Linux, macOS, or Windows.