# DigiCert Private CA vs Smallstep Device Identity Platform: side-by-side comparison (2026)

[DigiCert Private CA](https://cybersectools.com/tools/digicert-private-ca) is a commercial [certificate lifecycle management](https://cybersectools.com/categories/clm) solution by [DigiCert](https://cybersectools.com/companies/digicert). [Smallstep Device Identity Platform](https://cybersectools.com/tools/smallstep-device-identity-platform) is a commercial [certificate lifecycle management](https://cybersectools.com/categories/clm) solution by [Smallstep](https://cybersectools.com/companies/smallstep). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | DigiCert Private CA | Smallstep Device Identity Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Certificate Lifecycle Management | Certificate Lifecycle Management |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | DigiCert | Smallstep |
| Headquarters | – | – |

### Use cases and capabilities

| | DigiCert Private CA | Smallstep Device Identity Platform |
|---|---|---|
| IoT Security | Yes | – |
| ZTNA | – | Yes |

### Core features

**DigiCert Private CA**

9 features listed. Sign in on the page to see them.

**Smallstep Device Identity Platform**

6 features listed. Sign in on the page to see them.

### Integrations

**DigiCert Private CA**

1 integration listed. Sign in on the page to see them.

**Smallstep Device Identity Platform**

7 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [DigiCert Private CA](https://cybersectools.com/tools/digicert-private-ca) fits if you need both cloud and on-premises options.
- [Smallstep Device Identity Platform](https://cybersectools.com/tools/smallstep-device-identity-platform) fits if you want a cloud product and you are a small business.

## DigiCert Private CA vs Smallstep Device Identity Platform FAQ

Common questions when comparing DigiCert Private CA vs Smallstep Device Identity Platform for certificate lifecycle management.

### What is the difference between DigiCert Private CA and Smallstep Device Identity Platform?

**DigiCert Private CA**: Managed private PKI for certificate issuance across users, devices & workloads. Built by DigiCert.

**Smallstep Device Identity Platform**: Hardware-backed device identity platform for Zero Trust endpoint access control. Built by Smallstep.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes DigiCert Private CA and Smallstep Device Identity Platform?

**DigiCert Private CA** is made by DigiCert. **Smallstep Device Identity Platform** is made by Smallstep. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DigiCert Private CA a good alternative to Smallstep Device Identity Platform?

Often, yes. DigiCert Private CA and Smallstep Device Identity Platform are both Certificate Lifecycle Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DigiCert Private CA vs SAESOL Tech S2X CMS](https://cybersectools.com/compare/digicert-private-ca-vs-saesol-tech-s2x-cms)
- [DigiCert Private CA vs SecureW2 JOINNOW DYNAMIC PKI](https://cybersectools.com/compare/digicert-private-ca-vs-securew2-joinnow-dynamic-pki)
- [DigiCert Private CA vs SEALSQ INeS Managed PKI for IoT](https://cybersectools.com/compare/digicert-private-ca-vs-sealsq-ines-managed-pki-for-iot)
- [Smallstep Device Identity Platform vs SAESOL Tech S2X CMS](https://cybersectools.com/compare/saesol-tech-s2x-cms-vs-smallstep-device-identity-platform)
- [Smallstep Device Identity Platform vs SecureW2 JOINNOW DYNAMIC PKI](https://cybersectools.com/compare/securew2-joinnow-dynamic-pki-vs-smallstep-device-identity-platform)
- [Smallstep Device Identity Platform vs SEALSQ INeS Managed PKI for IoT](https://cybersectools.com/compare/sealsq-ines-managed-pki-for-iot-vs-smallstep-device-identity-platform)

## Alternatives to each

- [See all DigiCert Private CA alternatives](https://cybersectools.com/alternatives/digicert-private-ca)
- [See all Smallstep Device Identity Platform alternatives](https://cybersectools.com/alternatives/smallstep-device-identity-platform)

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Source: https://cybersectools.com/compare/digicert-private-ca-vs-smallstep-device-identity-platform

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/digicert-private-ca.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on DigiCert Private CA and Smallstep Device Identity Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md