BIO-key PortalGuard is a commercial MFA & passwordless solution by BIO-key International. OATH (Open Authentication) is a free MFA & passwordless solution by OATH (Open Authentication). Features, integrations, deployment and the company behind each one, side by side.
Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR.
Vendor-neutral org publishing open standards for OTP & strong auth.
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Based on what each listing shows: deployment, company size, price and open source.
BIO-key PortalGuard fits if you want a cloud product.
OATH (Open Authentication) fits if you need both cloud and on-premises options, you are a startup or a small business and you need a free product.
Common questions when comparing BIO-key PortalGuard vs OATH (Open Authentication) for MFA & passwordless.
BIO-key PortalGuard: Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR. Built by BIO-key International.
OATH (Open Authentication): Vendor-neutral org publishing open standards for OTP & strong auth. Built by OATH (Open Authentication).
The table above shows where their features, integrations, deployment and company size fit differ.
BIO-key PortalGuard is made by BIO-key International. OATH (Open Authentication) is made by OATH (Open Authentication). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. BIO-key PortalGuard and OATH (Open Authentication) are both MFA & Passwordless products, and both cover Authentication, MFA. Key differences: BIO-key PortalGuard is Commercial while OATH (Open Authentication) is Free. Use the table above to see where features, deployment and company size fit differ.
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