# Auth0 Single Sign On vs Duo Single Sign-On (SSO): side-by-side comparison (2026)

[Auth0 Single Sign On](https://cybersectools.com/tools/auth0-single-sign-on) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Auth0](https://cybersectools.com/companies/auth0). [Duo Single Sign-On (SSO)](https://cybersectools.com/tools/duo-single-sign-on-sso) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Duo Security](https://cybersectools.com/companies/duo-security). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Auth0 Single Sign On](https://cybersectools.com/tools/auth0-single-sign-on)

Best for: Product teams adding login to customer-facing apps

Auth0 fits customer identity and startup-to-enterprise product teams better than it fits internal workforce access. Teams choosing it for employee SSO should compare the workforce-specific products above first.

From [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

Need the answer fast? [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions) picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more.

## Side-by-side comparison

| | Auth0 Single Sign On | Duo Single Sign-On (SSO) |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Access Management | Access Management |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Auth0 | Duo Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Auth0 Single Sign On | Duo Single Sign-On (SSO) |
|---|---|---|
| Single Sign On | Yes | Yes |
| Authentication | Yes | Yes |
| MFA | Yes | Yes |
| Authorization | Yes | – |
| SSO | – | Yes |

### Core features

**Auth0 Single Sign On**

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

**Duo Single Sign-On (SSO)**

10 features 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.

- [Auth0 Single Sign On](https://cybersectools.com/tools/auth0-single-sign-on) fits if you want a cloud product.
- [Duo Single Sign-On (SSO)](https://cybersectools.com/tools/duo-single-sign-on-sso) fits if you need both cloud and on-premises options.

## Auth0 Single Sign On vs Duo Single Sign-On (SSO) FAQ

Common questions when comparing Auth0 Single Sign On vs Duo Single Sign-On (SSO) for access management.

### What is the difference between Auth0 Single Sign On and Duo Single Sign-On (SSO)?

**Auth0 Single Sign On**: SSO platform enabling users to authenticate once across multiple applications. Built by Auth0.

**Duo Single Sign-On (SSO)**: SSO solution with MFA integration for cloud and on-premises applications. Built by Duo Security.

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

### Who makes Auth0 Single Sign On and Duo Single Sign-On (SSO)?

**Auth0 Single Sign On** is made by Auth0. **Duo Single Sign-On (SSO)** is made by Duo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Auth0 Single Sign On a good alternative to Duo Single Sign-On (SSO)?

Often, yes. Auth0 Single Sign On and Duo Single Sign-On (SSO) are both Access Management products, and both cover Single Sign On, MFA, Authentication. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Auth0 Single Sign On vs Microsoft Entra ID](https://cybersectools.com/compare/auth0-single-sign-on-vs-microsoft-entra-id)
- [Auth0 Single Sign On vs SecurEnvoy Access Management](https://cybersectools.com/compare/auth0-single-sign-on-vs-securenvoy-access-management)
- [Auth0 Single Sign On vs Soffid Access Management](https://cybersectools.com/compare/auth0-single-sign-on-vs-soffid-access-management)
- [Duo Single Sign-On (SSO) vs Microsoft Entra ID](https://cybersectools.com/compare/duo-single-sign-on-sso-vs-microsoft-entra-id)
- [Duo Single Sign-On (SSO) vs SecurEnvoy Access Management](https://cybersectools.com/compare/duo-single-sign-on-sso-vs-securenvoy-access-management)
- [Duo Single Sign-On (SSO) vs Soffid Access Management](https://cybersectools.com/compare/duo-single-sign-on-sso-vs-soffid-access-management)

## Alternatives to each

- [See all Auth0 Single Sign On alternatives](https://cybersectools.com/alternatives/auth0-single-sign-on)
- [See all Duo Single Sign-On (SSO) alternatives](https://cybersectools.com/alternatives/duo-single-sign-on-sso)

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Source: https://cybersectools.com/compare/auth0-single-sign-on-vs-duo-single-sign-on-sso

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/auth0-single-sign-on.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Auth0 Single Sign On and Duo Single Sign-On (SSO): 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