BIO-key PortalGuard vs Gradient for Users: Side-by-Side Comparison (2026)

BIO-key PortalGuard: Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR. built by BIO-key International. Core capabilities include Multi-Factor Authentication (MFA) with 16 supported authentication methods, Passwordless authentication via biometrics (palm, face) and passkeys, Single Sign-On (SSO) including thick client application support..

Gradient for Users: Passwordless MFA SaaS plugin for SSO that anchors identities to devices. built by Gradient. Core capabilities include One-click passwordless authentication, Device-anchored identity and session credentials, Continuous device and user integrity attestation via platform root of trust..

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

BIO-key PortalGuard differentiates with Multi-Factor Authentication (MFA) with 16 supported authentication methods, Passwordless authentication via biometrics (palm, face) and passkeys, Single Sign-On (SSO) including thick client application support. Gradient for Users differentiates with One-click passwordless authentication, Device-anchored identity and session credentials, Continuous device and user integrity attestation via platform root of trust.

BIO-key PortalGuard is developed by BIO-key International. Gradient for Users is developed by Gradient. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

BIO-key PortalGuard integrates with Microsoft Entra ID, Google Authenticator. Gradient for Users integrates with Azure, Okta, Ping, PingFederate, OneLogin and 1 more. Check integration compatibility with your existing security stack before deciding.

BIO-key PortalGuard and Gradient for Users serve similar MFA & Passwordless use cases: both are MFA & Passwordless tools, both cover MFA, Authentication, SSO. Review the feature comparison above to determine which fits your requirements.