How Keyfactor and DigiCert differ on deployment, pricing, openness and what each is actually built for.
| Keyfactor | DigiCert | |
|---|---|---|
| Type | CLM + private CA | Public CA + CLM |
| Deployment | SaaS + self-hosted | SaaS |
| How it works | Keyfactor Command handles discovery, automation and policy; EJBCA provides the CA itself; SignServer covers code and document signing. The open-source community editions let you evaluate the engine before buying the management layer. | Issues publicly trusted TLS, code-signing, S/MIME and document-signing certificates from its own roots. DigiCert ONE adds discovery, automation and policy enforcement across the estate, with ACME and REST APIs for issuance. |
| Pricing* | Enterprise quote | From $218/yr (Basic OV) |
| Free tier | Yes | No |
| Open source | EJBCA Community (LGPL) | — |
| Compliance | FIPS 140-2, Common Criteria (EJBCA) | WebTrust, CA/B Forum, FIPS 140-2 (HSM-backed) |
| Best for | Teams wanting private PKI they can self-host | Enterprises needing public trust plus governance |
Choose Keyfactor for teams wanting private pki they can self-host. Choose DigiCert for enterprises needing public trust plus governance.
* Indicative list pricing (vendor documentation and public pricing pages, August 2026).