# Auth0 Passwordless Authentication vs NCP Authenticator App: side-by-side comparison (2026)

[Auth0 Passwordless Authentication](https://cybersectools.com/tools/auth0-passwordless-authentication) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [Auth0](https://cybersectools.com/companies/auth0). [NCP Authenticator App](https://cybersectools.com/tools/ncp-authenticator-app) is a free [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [NCP Engineering](https://cybersectools.com/companies/ncp-engineering). 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, Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | Auth0 Passwordless Authentication | NCP Authenticator App |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | MFA & Passwordless | MFA & Passwordless |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Auth0 | NCP Engineering |
| Headquarters | – | – |

### Use cases and capabilities

| | Auth0 Passwordless Authentication | NCP Authenticator App |
|---|---|---|
| Authentication | Yes | Yes |
| MFA | Yes | Yes |
| Single Sign On | Yes | – |
| iOS | – | Yes |

### Core features

**Auth0 Passwordless Authentication**

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

**NCP Authenticator App**

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

### Integrations

**Auth0 Passwordless Authentication**

No integrations listed.

**NCP Authenticator App**

4 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.

- [NCP Authenticator App](https://cybersectools.com/tools/ncp-authenticator-app) fits if you need a free product.

## Auth0 Passwordless Authentication vs NCP Authenticator App FAQ

Common questions when comparing Auth0 Passwordless Authentication vs NCP Authenticator App for MFA & passwordless.

### What is the difference between Auth0 Passwordless Authentication and NCP Authenticator App?

**Auth0 Passwordless Authentication**: Passwordless authentication platform using passkeys, biometrics, and SMS/email. Built by Auth0.

**NCP Authenticator App**: Mobile TOTP authenticator app for two-step verification on VPN and online services. Built by NCP Engineering.

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

### Who makes Auth0 Passwordless Authentication and NCP Authenticator App?

**Auth0 Passwordless Authentication** is made by Auth0. **NCP Authenticator App** is made by NCP Engineering. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Auth0 Passwordless Authentication a good alternative to NCP Authenticator App?

Often, yes. Auth0 Passwordless Authentication and NCP Authenticator App are both MFA & Passwordless products, and both cover MFA, Authentication. Key differences: Auth0 Passwordless Authentication is Commercial while NCP Authenticator App is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Auth0 Passwordless Authentication vs Array IDpass Identity Solution](https://cybersectools.com/compare/array-idpass-identity-solution-vs-auth0-passwordless-authentication)
- [Auth0 Passwordless Authentication vs RSA ID Plus](https://cybersectools.com/compare/auth0-passwordless-authentication-vs-rsa-id-plus)
- [Auth0 Passwordless Authentication vs Twilio Authy](https://cybersectools.com/compare/auth0-passwordless-authentication-vs-twilio-authy)
- [NCP Authenticator App vs Array IDpass Identity Solution](https://cybersectools.com/compare/array-idpass-identity-solution-vs-ncp-authenticator-app)
- [NCP Authenticator App vs RSA ID Plus](https://cybersectools.com/compare/ncp-authenticator-app-vs-rsa-id-plus)
- [NCP Authenticator App vs Twilio Authy](https://cybersectools.com/compare/ncp-authenticator-app-vs-twilio-authy)

## Alternatives to each

- [See all Auth0 Passwordless Authentication alternatives](https://cybersectools.com/alternatives/auth0-passwordless-authentication)
- [See all NCP Authenticator App alternatives](https://cybersectools.com/alternatives/ncp-authenticator-app)

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Source: https://cybersectools.com/compare/auth0-passwordless-authentication-vs-ncp-authenticator-app

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

More on Auth0 Passwordless Authentication and NCP Authenticator App: 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