1Password Passkeys vs Scalekit IdP-Initiated SSO: Side-by-Side Comparison (2026)

1Password Passkeys: Password manager with passkey creation, storage, and sharing capabilities. built by 1Password. Core capabilities include Passkey creation and storage, Cross-device passkey synchronization across Mac, iOS, Windows, and Android, Biometric authentication for account access..

Scalekit IdP-Initiated SSO: Enables secure IdP-initiated SSO with automatic conversion to SP-initiated flows. built by Scalekit. Core capabilities include Automatic conversion of IdP-initiated requests to SP-initiated flows, SAML assertion protection using signed JWTs, One-click login from identity providers..

Both serve the MFA & Passwordless market but differ in approach, feature depth, and target audience.

1Password Passkeys differentiates with Passkey creation and storage, Cross-device passkey synchronization across Mac, iOS, Windows, and Android, Biometric authentication for account access. Scalekit IdP-Initiated SSO differentiates with Automatic conversion of IdP-initiated requests to SP-initiated flows, SAML assertion protection using signed JWTs, One-click login from identity providers.

1Password Passkeys is developed by 1Password. Scalekit IdP-Initiated SSO is developed by Scalekit. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

1Password Passkeys and Scalekit IdP-Initiated SSO serve similar MFA & Passwordless use cases: both cover Authentication. Review the feature comparison above to determine which fits your requirements.