AirID GmbH vs BIO-key PortalGuard: side-by-side comparison (2026)
AirID GmbH is a commercial MFA & passwordless solution by AirID GmbH. BIO-key PortalGuard is a commercial MFA & passwordless solution by BIO-key International. Features, integrations, deployment and the company behind each one, side by side.
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Identity security platform linking existing smartcard identities to modern devices.
Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR.
Side-by-side comparison
Feature
AirID GmbH
BIO-key PortalGuard
Pricing model
Commercial
Commercial
Category
MFA & Passwordless
MFA & Passwordless
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
SMB, Mid-Market, Enterprise
Mid-Market, Enterprise
Company
Company
AirID GmbH
BIO-key International
Use cases and capabilities
Authentication
Yes
Yes
MFA
Yes
Yes
Hardware Security
Yes
No
Bluetooth
Yes
No
Encryption
Yes
No
Quantum Safe
Yes
No
Physical Security
Yes
No
USB Security
Yes
No
SSO
Yes
Yes
Single Sign On
No
Yes
Core features
8 features listed
8 features listed
Integrations
6 integrations listed
2 integrations listed
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