Head-to-head · Public Key Infrastructure Software
DigiCert Private CA vs AWS Private Certificate Authority
DigiCert Private CA leads on 0 checks, AWS Private Certificate Authority on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreDigiCert Private CA · 9.2/10
- Free trialonly AWS Private Certificate Authority
- Most featuresDigiCert Private CA · 5 of 5
DigiCert Private CA scores higher on our rubric for public key infrastructure software: 9.2 against 8.7 out of 10; our editors rank them #2 and #7.
On deployment model, DigiCert Private CA gives you Hybrid where AWS Private Certificate Authority offers Cloud.
DigiCert Private CA is the better fit for enterprise hybrid and air-gapped PKI. AWS Private Certificate Authority is the better fit for AWS-centric managed private CA.
- DigiCert Private CA fits best
Enterprise hybrid and air-gapped PKI
- AWS Private Certificate Authority fits best
AWS-centric managed private CA
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Side by side
| Feature | DigiCert Private CA 9.2/10 Visit ↗ | AWS Private Certificate Authority 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.7 |
| Ranking | #2 in Public Key Infrastructure Software | #7 in Public Key Infrastructure Software |
| Best for | Enterprise hybrid and air-gapped PKI | AWS-centric managed private CA |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | $0.06/unit/mo |
| Free plan | Not checked yet | — |
| Free trial | — | 30 days |
| Deployment | Cloud, Self-hosted | Cloud |
| Platforms | Web, Linux | Web |
| Support | Docs | Docs |
| Compliance | SSO/SAML | SOC 2, PCI DSS, HIPAA |
| Integrations | 5 integrations | 6 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features DigiCert Private CA 5/5 · AWS Private Certificate Authority 3/5 | ||
| ACME support | ✓ (best) | Not checked yet |
| SCEP support | ✓ | ✓ |
| EST support | ✓ (best) | Not checked yet |
| HSM integration | ✓ | ✓ |
| Certificate profiles | ✓ | ✓ |
| Specs | ||
| Deployment model | Hybrid | Cloud |
| Our review | ||
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| Our verdict | DigiCert Private CA is a private certificate authority service for organizations securing internal users, devices, applications, servers, and digital assets. It supports private PKI across DigiCert-hosted cloud environments and… Read the review → |
AWS Private Certificate Authority is a hosted cloud service for creating root and subordinate private certificate authorities and issuing private X.509 certificates. It is designed for organizations managing certificates for internal… Read the review → |
Strengths and trade-offs
DigiCert Private CA — where it wins
- Supports ACME, SCEP, and EST certificate enrollment automation
- Integrates FIPS 140-2 Level 3 HSMs and existing PKI infrastructure
- Deploys in cloud, on premises, hybrid, or air-gapped environments
Where it doesn't
- Subscription pricing requires contact with a DigiCert account representative
- Its broad CA and lifecycle configuration may exceed smaller PKI needs
- It is proprietary rather than open source
AWS Private Certificate Authority — where it wins
- Root and subordinate CAs with CRL and OCSP revocation
- HSM-backed CA keys and certificate templates
- Connectors for Kubernetes, Active Directory, and SCEP
Where it doesn't
- No free plan
- Usage charges make total costs more complex
- Best fit depends on the AWS ecosystem
- DigiCert Private CA9.2/10 · Pricing on request
A flexible private CA for enterprises managing certificates across hybrid and air-gapped environments.
Visit DigiCertFull verdict → - AWS Private Certificate Authority8.7/10 · 30-day trial
A broad AWS-managed PKI service with clear CA pricing and usage-based certificate costs.
Visit AWS Private CAFull verdict →
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All public key infrastructure software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update