Okta Adaptive Multi-Factor Authentication vs OpenOTP Authentication Server

Okta Adaptive Multi-Factor Authentication8.8Visit OpenOTP Authentication Server8.1Visit

Higher score Okta Adaptive Multi-Factor Authentication #5 in Multi-Factor Authentication Software 8.8/10 Paid ✓ 3 of 3 features Visit Okta

vs

OpenOTP Authentication Server #12 in Multi-Factor Authentication Software 8.1/10 Free plan · 30-day trial Free planFree trial✓ 3 of 3 features Visit OpenOTP

• Okta Adaptive Multi-Factor Authentication fits best

  Enterprise adaptive MFA

• OpenOTP Authentication Server fits best

  Self-hosted authentication with PKI

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Side by side

Feature	Okta Adaptive Multi-Factor Authentication 8.8/10 Visit ↗	OpenOTP Authentication Server 8.1/10 Visit ↗
At a glance
Editor score	8.8	8.1
Ranking	#5 in Multi-Factor Authentication Software	#12 in Multi-Factor Authentication Software
Best for	Enterprise adaptive MFA	Self-hosted authentication with PKI
Pricing model	Paid	Free plan + paid
Starting price	$6/user/mo	Free plan · 30-day trial
Free plan	—	✓ (best)
Free trial	—	30 days
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, iOS, Android	Web, Windows, macOS, Linux, iOS, Android
Support	Docs	Docs, Community
Integrations	4 integrations	11 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Okta Adaptive Multi-Factor Authentication 3/3 · OpenOTP Authentication Server 3/3
Adaptive access policies	✓	✓
Passwordless authentication	✓	✓
Device trust controls	✓	✓
Specs
Deployment	Hybrid	Not checked yet
Supported factors	Okta FastPass; FIDO2/WebAuthn; PIV/CAC smart cards; biometrics; Okta Verify; SMS; email; voice; Duo; third-party authenticators	Mobile push; FIDO2/passkeys; PKI certificates/smart cards; OATH software and hardware tokens; YubiKey; secure magic links; email OTP; SMS OTP; printed OTP lists
App integration methods	SAML; RADIUS; Okta RADIUS Agent	RADIUS; LDAP; Windows Credential Provider; macOS Credential Provider; Linux PAM; SAML; OpenID Connect; ADFS plugin; application plugins
Our review
Pros	Risk-based policies use device, network, location, behavior, and IP signals. Supports phishing-resistant FastPass, FIDO2 WebAuthn, and smart cards. Covers web, desktop, mobile, Linux, Windows, macOS, APIs, and more.	Supports OTP, push, FIDO2, passkeys, smart cards and PKI Bridges RADIUS and LDAP for VPN, Wi-Fi and legacy applications Offers SAML2, OpenID Connect, OAuth and SOAP/XML or JSON APIs
Cons	Starts at $17 per user per month with annual billing. No free plan is available. Advanced capabilities are split across multiple paid plan tiers.	Freeware License supports up to 25 users High availability is excluded from the Freeware License The product is not open source
Our verdict	Okta Adaptive Multi-Factor Authentication is a workforce authentication solution for organizations that need more control than a basic second-factor prompt. It evaluates signals such as device health, location, network, user behavior, and… Read the review →	OpenOTP Authentication Server is a multi-factor authentication platform from RCDevs Security SA for organizations securing domain users, applications, VPNs, Wi-Fi, desktops, servers and remote access. It supports on-premise and cloud… Read the review →

Strengths and trade-offs

• Okta Adaptive Multi-Factor Authentication — where it wins

  • Risk-based policies use device, network, location, behavior, and IP signals.
  • Supports phishing-resistant FastPass, FIDO2 WebAuthn, and smart cards.
  • Covers web, desktop, mobile, Linux, Windows, macOS, APIs, and more.

  Where it doesn't

  • Starts at $17 per user per month with annual billing.
  • No free plan is available.
  • Advanced capabilities are split across multiple paid plan tiers.

• OpenOTP Authentication Server — where it wins

  • Supports OTP, push, FIDO2, passkeys, smart cards and PKI
  • Bridges RADIUS and LDAP for VPN, Wi-Fi and legacy applications
  • Offers SAML2, OpenID Connect, OAuth and SOAP/XML or JSON APIs

  Where it doesn't

  • Freeware License supports up to 25 users
  • High availability is excluded from the Freeware License
  • The product is not open source

• Okta Adaptive Multi-Factor Authentication8.8/10 · Paid

  Enterprise MFA with adaptive policies, passwordless options, and device-posture checks.

  Visit OktaFull verdict →
• OpenOTP Authentication Server8.1/10 · Free plan · 30-day trial

  A broad self-hosted MFA server for organizations that need PKI and federation.

  Visit OpenOTPFull verdict →