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Head-to-head · Passkey Authentication Software

Keycloak vs BIO-key Passkey:YOU

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Keycloak #1 in Passkey Authentication Software 9.3/10 Open source ✓ 1 of 4 features Visit Keycloak
BIO-key Passkey:YOU #8 in Passkey Authentication Software 8.3/10 Pricing on request ✓ 1 of 4 features Visit BIO-key

Keycloak leads on 0 checks, BIO-key Passkey:YOU on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKeycloak · 9.3/10

Keycloak scores higher on our rubric for passkey authentication software: 9.3 against 8.3 out of 10; our editors rank them #1 and #8.

Keycloak is the better fit for teams wanting established self-hosted IAM. BIO-key Passkey:YOU is the better fit for workforces using biometric or badge authentication.

  • Keycloak fits best

    Teams wanting established self-hosted IAM

  • BIO-key Passkey:YOU fits best

    Workforces using biometric or badge authentication

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Side by side

Feature Keycloak 9.3/10 Visit ↗ BIO-key Passkey:YOU 8.3/10 Visit ↗
At a glance
Editor score 9.3 8.3
Ranking #1 in Passkey Authentication Software #8 in Passkey Authentication Software
Best for Teams wanting established self-hosted IAM Workforces using biometric or badge authentication
Pricing model Free Paid
Starting price Open source Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Desktop, Self-hosted Cloud
Platforms Web, Windows, Linux Web, Windows
Integrations 10 integrations 8 integrations
Features Keycloak 1/4 · BIO-key Passkey:YOU 1/4
Mobile SDKs Not checked yet Not checked yet
Workforce authentication Not checked yet ✓ (best)
Directory sync ✓ (best) Not checked yet
Authentication policies Not checked yet Not checked yet
Specs
Deployment model Not checked yet Cloud
Passkey types Not checked yet Not checked yet
Included monthly users Not checked yet Not checked yet
Our review
Pros
  • WebAuthn passkeys alongside TOTP, HOTP, and recovery codes
  • SSO, federation, LDAP, Active Directory, and social login support
  • Fine-grained authorization with OpenID Connect, OAuth 2.0, and SAML
  • Identity-bound biometrics support phone-free passwordless access
  • Supports more than 30 fingerprint scanners and employee badges
  • Integrates with Microsoft Entra, Okta, Ping, Duo, and IAM standards
Cons
  • Requires self-hosted deployment and server management
  • SCIM support is preview functionality and disabled by default
  • Broad IAM scope can require more setup than a focused passkey service
  • Pricing requires contact with sales
  • Authentication depends on supported scanners or employee badges
  • Listed platforms are limited to web and Windows
Our verdict

Keycloak is an open-source identity and access management server for securing web applications, REST services, and other applications. It is suited to teams that want passkey authentication within a broader IAM system, including single…

Read the review →

BIO-key Passkey:YOU is a cloud-deployed, FIDO2-compatible passwordless authentication solution for organizations managing workforce access. It combines identity-bound biometric authentication with employee badge authentication, giving…

Read the review →
  1. KeycloakPasskey Authentication Software 9.3Open source
  2. BIO-key Passkey:YOUPasskey Authentication Software 8.3Pricing on request

Strengths and trade-offs

  • Keycloak — where it wins

    • WebAuthn passkeys alongside TOTP, HOTP, and recovery codes
    • SSO, federation, LDAP, Active Directory, and social login support
    • Fine-grained authorization with OpenID Connect, OAuth 2.0, and SAML

    Where it doesn't

    • Requires self-hosted deployment and server management
    • SCIM support is preview functionality and disabled by default
    • Broad IAM scope can require more setup than a focused passkey service

  • BIO-key Passkey:YOU — where it wins

    • Identity-bound biometrics support phone-free passwordless access
    • Supports more than 30 fingerprint scanners and employee badges
    • Integrates with Microsoft Entra, Okta, Ping, Duo, and IAM standards

    Where it doesn't

    • Pricing requires contact with sales
    • Authentication depends on supported scanners or employee badges
    • Listed platforms are limited to web and Windows
  • Keycloak9.3/10 · Open source

    A broad open-source IAM server for teams prepared to manage self-hosted deployment.

    Visit KeycloakFull verdict →
  • BIO-key Passkey:YOU8.3/10 · Pricing on request

    A workforce passkey solution combining biometrics, badges, and IAM integrations.

    Visit BIO-keyFull verdict →

More comparisons

All passkey authentication software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update