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Duo Security

Security · duo.com

Free plan · paid from $3/seat/mobilled monthly

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IT and security teams use Duo to add multi-factor authentication and identity security in front of the applications and accounts their staff rely on. The service targets phishing-resistant sign-in, visibility into the identity attack surface and access management, and offers three paid editions plus a free tier for small teams.

Facts at a glance

FactValueSource
Free planFreemium: a free plan existsduo.com/pricing, checked 5 Nov 2026
Free trialYesduo.com/pricing, checked 5 Nov 2026
Starting price$3/seat/moduo.com/pricing, checked 5 Nov 2026
PlatformsWebduo.com/pricing, checked 5 Nov 2026

Pricing & plans

Pricing

Free plan · paid from $3/seat/mo

USD, billed monthly

Model

Freemium

Free plan available

Trial

Yes

  • Free for teams of 10 users or fewer

  • Advantage is 6 USD and Premier is 9 USD per user per month

Source: duo.com/pricing, checked 5 Nov 2026

Features & platforms

  • Multi-factor authentication for applications

  • Phishing-resistant authentication

  • Visibility into the identity attack surface

  • Identity and access management with secure-by-default architecture

  • Essentials, Advantage and Premier editions

  • Web

Sources: duo.com, duo.com/pricing, checked 5 Nov 2026

Alternatives

Sources: okta.com/pricing, jumpcloud.com/pricing, evosecurity.com

Also in Security on Tools.us.org: 1Password, Abnormal Security, Bitwarden, Cado Security, Cisco Umbrella, Coalfire, CrowdStrike, Dashlane, Drata, Evo Security, ExpressVPN, Huntress, IRONSCALES, KnowBe4, LogicGate, NordVPN, Okta, PhishingBox, SentinelOne, Snyk, Socket, Surfshark, Tufin, Vanta

Sources and dates

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