Auth0 Device Flow vs Auth0 Passwordless Authentication: Side-by-Side Comparison (2026)

Auth0 Device Flow: OAuth 2.0 authorization for browserless and input-constrained devices. built by Auth0. Core capabilities include OAuth 2.0 device authorization flow, Two-step authentication process, Secondary device authentication..

Auth0 Passwordless Authentication: Passwordless authentication platform using passkeys, biometrics, and SMS/email. built by Auth0. Core capabilities include Passkey-based authentication, WebAuthn biometric authentication (face and fingerprint), SMS-based passwordless authentication..

Both serve the Multi-Factor Authentication and Single Sign-On market but differ in approach, feature depth, and target audience.

Auth0 Device Flow differentiates with OAuth 2.0 device authorization flow, Two-step authentication process, Secondary device authentication. Auth0 Passwordless Authentication differentiates with Passkey-based authentication, WebAuthn biometric authentication (face and fingerprint), SMS-based passwordless authentication.

Auth0 Device Flow is developed by Auth0. Auth0 Passwordless Authentication is developed by Auth0. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Auth0 Device Flow and Auth0 Passwordless Authentication serve similar Multi-Factor Authentication and Single Sign-On use cases: both are Multi-Factor Authentication and Single Sign-On tools, both cover Authentication. Review the feature comparison above to determine which fits your requirements.