Microsoft Cloud PKI vs OpenCA PKI

Microsoft Cloud PKI plans

• Microsoft Cloud PKI$2 a month

OpenCA PKI plans

• OpenCA PKIFree

Pick Microsoft Cloud PKI if…

Microsoft Cloud PKI suits organizations managing mTLS certificates across Android, iOS, macOS, and Windows. It is intended for teams that need automated issuance, deployment, renewal, and revocation workflows.

Pick OpenCA PKI if…

It suits organizations that need to run their own certificate authority and PKI on Linux, macOS, or a self-hosted web setup. Teams should be prepared to install its named prerequisites and work with limited, partly outdated documentation.