# Fortytwo Labs I-AM Passwordless Authentication vs ZITADEL: side-by-side comparison (2026)

[Fortytwo Labs I-AM Passwordless Authentication](https://cybersectools.com/tools/fortytwo-labs-i-am-passwordless-authentication) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [Fortytwo Labs](https://cybersectools.com/companies/fortytwo-labs). [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

| | Fortytwo Labs I-AM Passwordless Authentication | ZITADEL |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | CIAM |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Fortytwo Labs | ZITADEL |
| Headquarters | – | – |

### Use cases and capabilities

| | Fortytwo Labs I-AM Passwordless Authentication | ZITADEL |
|---|---|---|
| Authentication | Yes | Yes |
| Quantum Safe | Yes | – |
| Encryption | Yes | – |
| MFA | Yes | Yes |
| Passwords | Yes | Yes |
| REST API | Yes | Yes |
| Verification | Yes | – |
| Single Sign On | Yes | Yes |
| Authorization | – | Yes |
| SSO | – | Yes |
| RBAC | – | Yes |
| Multi Tenancy | – | Yes |
| Open Source | – | Yes |

### Core features

**Fortytwo Labs I-AM Passwordless Authentication**

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

**ZITADEL**

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

### Integrations

**Fortytwo Labs I-AM Passwordless Authentication**

No integrations listed.

**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.

- [Fortytwo Labs I-AM Passwordless Authentication](https://cybersectools.com/tools/fortytwo-labs-i-am-passwordless-authentication) fits if you want a cloud product.
- [ZITADEL](https://cybersectools.com/tools/zitadel) fits if you need both cloud and on-premises options.

## Fortytwo Labs I-AM Passwordless Authentication vs ZITADEL FAQ

Common questions when comparing Fortytwo Labs I-AM Passwordless Authentication vs ZITADEL for MFA & passwordless.

### What is the difference between Fortytwo Labs I-AM Passwordless Authentication and ZITADEL?

**Fortytwo Labs I-AM Passwordless Authentication**: Passwordless login using mobile push approval and quantum-safe cryptographic identity, built by Fortytwo Labs.

**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 Fortytwo Labs I-AM Passwordless Authentication and ZITADEL?

**Fortytwo Labs I-AM Passwordless Authentication** is made by Fortytwo Labs. **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 Fortytwo Labs I-AM Passwordless Authentication a good alternative to ZITADEL?

In part. Fortytwo Labs I-AM Passwordless Authentication and ZITADEL are not in the same category on CybersecTools. Both cover Authentication, MFA, Passwords. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Fortytwo Labs I-AM Passwordless Authentication vs AirID GmbH](https://cybersectools.com/compare/airid-gmbh-vs-fortytwo-labs-i-am-passwordless-authentication)
- [Fortytwo Labs I-AM Passwordless Authentication vs digitronic SmartLogon™](https://cybersectools.com/compare/digitronic-smartlogontm-vs-fortytwo-labs-i-am-passwordless-authentication)
- [Fortytwo Labs I-AM Passwordless Authentication vs Privakey SSO & IdS](https://cybersectools.com/compare/fortytwo-labs-i-am-passwordless-authentication-vs-privakey-sso-and-ids)
- [ZITADEL vs AirID GmbH](https://cybersectools.com/compare/airid-gmbh-vs-zitadel)
- [ZITADEL vs digitronic SmartLogon™](https://cybersectools.com/compare/digitronic-smartlogontm-vs-zitadel)
- [ZITADEL vs Privakey SSO & IdS](https://cybersectools.com/compare/privakey-sso-and-ids-vs-zitadel)

## Alternatives to each

- [See all Fortytwo Labs I-AM Passwordless Authentication alternatives](https://cybersectools.com/alternatives/fortytwo-labs-i-am-passwordless-authentication)
- [See all ZITADEL alternatives](https://cybersectools.com/alternatives/zitadel)

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Source: https://cybersectools.com/compare/fortytwo-labs-i-am-passwordless-authentication-vs-zitadel

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

More on Fortytwo Labs I-AM Passwordless Authentication 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