BIO-key PortalGuard vs MIRACL Trust® MFA: 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..

MIRACL Trust® MFA: Cloud-based MFA using zero-knowledge proofs for PSD2-compliant SCA. built by MIRACL. Core capabilities include Zero-knowledge proof authentication via M-Pin protocol (ISO/IEC approved), Software token issuance to web browsers and mobile apps (incomplete, non-revealing), 4-digit PIN-based knowledge factor authentication..

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. MIRACL Trust® MFA differentiates with Zero-knowledge proof authentication via M-Pin protocol (ISO/IEC approved), Software token issuance to web browsers and mobile apps (incomplete, non-revealing), 4-digit PIN-based knowledge factor authentication.

BIO-key PortalGuard is developed by BIO-key International. MIRACL Trust® MFA is developed by MIRACL. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

BIO-key PortalGuard integrates with Microsoft Entra ID, Google Authenticator. MIRACL Trust® MFA integrates with Android (SDK), iOS (SDK), RADIUS, SSO. Check integration compatibility with your existing security stack before deciding.

BIO-key PortalGuard and MIRACL Trust® MFA 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.