Vetted Score
4.6
/ 5.0
Earns a high score for robust security features, broad integration support, and a generous free tier, though pricing can be steep for large enterprises.
Key Features
Two-Factor Authentication
Adds an extra layer of security with push notifications, passcodes, or hardware tokens.
Single Sign-On Integration
Seamlessly integrates with SAML, OIDC, and LDAP to provide unified access across cloud and on‑prem apps.
Adaptive Authentication
Applies risk‑based policies that adjust authentication requirements based on user behavior and device health.
Frequently Asked Questions
Yes, Duo offers a free tier that includes basic two-factor authentication for up to 10 users.
Duo supports push notifications, SMS passcodes, phone calls, hardware tokens, and biometric verification.
Yes, Duo integrates with on‑premise apps via LDAP, RADIUS, and SAML connectors for seamless SSO.
Featured Lists & Comparisons
Top 20 Alternatives to Cloudflare Zero Trust in Cyber & Data Security Software
Top 20 Alternatives to OneLogin in Password & Identity IAM/SSO Software
Top 20 Alternatives to AWS Identity and Access Management (IAM) in Password & Identity IAM/SSO Software
Top 20 Alternatives to Thales SafeNet Trusted Access in Password & Identity IAM/SSO Software
Top 30 Single Sign On (SSO) Software
Top 20 Alternatives to One Identity Cloud Access Manager in Single Sign On (SSO) Software
Specifications
Pricing Model
Free tier available; paid plans start at $6 per user per month and go up to $9 per user per month for premium features.
Supported Platforms
Windows 10/11macOSLinuxiOSAndroid