# UserLock vs ZITADEL: side-by-side comparison (2026)

[UserLock](https://cybersectools.com/tools/userlock) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [IS Decisions](https://cybersectools.com/companies/is-decisions). [ZITADEL](https://cybersectools.com/tools/zitadel) is a commercial [CIAM](https://cybersectools.com/categories/ciam) solution by [ZITADEL](https://cybersectools.com/companies/zitadel). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions) picks Okta Adaptive MFA, Duo Security Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | UserLock | ZITADEL |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | CIAM |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | IS Decisions | ZITADEL |
| Headquarters | – | – |

### Use cases and capabilities

| | UserLock | ZITADEL |
|---|---|---|
| Active Directory | Yes | – |
| MFA | Yes | Yes |
| Single Sign On | Yes | Yes |
| Authentication | Yes | Yes |
| Multi Tenancy | Yes | Yes |
| Authorization | – | Yes |
| SSO | – | Yes |
| RBAC | – | Yes |
| Open Source | – | Yes |
| Passwords | – | Yes |
| REST API | – | Yes |

### Core features

**UserLock**

No features listed.

**ZITADEL**

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

### Integrations

**UserLock**

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

**ZITADEL**

3 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.

- [ZITADEL](https://cybersectools.com/tools/zitadel) fits if you are a startup.

## UserLock vs ZITADEL FAQ

Common questions when comparing UserLock vs ZITADEL for MFA & passwordless.

### What is the difference between UserLock and ZITADEL?

**UserLock**: IAM solution for Active Directory with MFA, SSO, and context-based access controls, built by IS Decisions.

**ZITADEL**: Open-source, multi-tenant identity platform for authn, authz, and SSO, built by ZITADEL.

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

### Who makes UserLock and ZITADEL?

**UserLock** is made by IS Decisions. **ZITADEL** is made by ZITADEL. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is UserLock a good alternative to ZITADEL?

In part. UserLock and ZITADEL are not in the same category on CybersecTools. Both cover Authentication, MFA, Multi Tenancy. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [UserLock vs Privakey SSO & IdS](https://cybersectools.com/compare/privakey-sso-and-ids-vs-userlock)
- [UserLock vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-userlock)
- [UserLock vs digitronic SmartLogon™](https://cybersectools.com/compare/digitronic-smartlogontm-vs-userlock)
- [ZITADEL vs Privakey SSO & IdS](https://cybersectools.com/compare/privakey-sso-and-ids-vs-zitadel)
- [ZITADEL vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-zitadel)
- [ZITADEL vs digitronic SmartLogon™](https://cybersectools.com/compare/digitronic-smartlogontm-vs-zitadel)

## Alternatives to each

- [See all UserLock alternatives](https://cybersectools.com/alternatives/userlock)
- [See all ZITADEL alternatives](https://cybersectools.com/alternatives/zitadel)

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Source: https://cybersectools.com/compare/userlock-vs-zitadel

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

More on UserLock and ZITADEL: 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