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SPECIFICTION
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2FAGuard vs Duo Mobile

2FAGuard

2faguard.app

Duo Mobile

duo.com

Side by side

Figure2FAGuardDuo Mobile
Price fromFree$3/mo
Free planYesYes
Free trial—Yes
Open source——
WindowsYes—
iOS—Yes
Android—Yes
Plans published15
Spec score · Authenticator apps7.5 (#93)9.1 (#3)
Code typetotptotp
Encrypted backupYesYes
Free planYesYes
HeadquartersWesel, GermanyAnn Arbor, Michigan, United States
IntegrationsThe maker lists no third-party service integrations; the app supports importing tokens from other 2FA apps.Duo works with legacy infrastructure, major platforms, custom apps, VPNs, SaaS tools, and offline devices.
Supported platformsWindowsiOS,Android

Plans

2FAGuard

  • FreeFree

2FAGuard pricing →

Duo Mobile

  • Duo FreeFree
  • Duo Essentials$3 a month
  • Duo Advantage$6 a month
  • Duo Premier$9 a month
  • Duo FreePrice not published

Duo Mobile pricing →

In their own words

2FAGuard

2FAGuard has no write-up on Specifiction yet; its figures are above.

Visit 2faguard.app

Duo Mobile

Duo Mobile provides two-factor and multi-factor authentication for company and personal data on iOS and Android phones and tablets. Users can approve or deny sign-ins with Duo Push, or enter time-based passcodes generated by the app. It also supports third-party TOTP accounts, biometrics, and passcodes. Duo Restore backs up and restores Duo-protected accounts when a user changes devices, and Security Checkup provides a mobile-device security score through app notifications. For organizations, Duo connects with legacy infrastructure, custom apps, VPNs, SaaS tools, and offline devices. Integration methods include RADIUS, SAML/OIDC, Duo Authentication Proxy, and direct API connections. Adaptive policies can consider user role, location, application, network, and device health. Duo says it keeps private keys on users’ devices in a tamper-proof secure element and does not store passwords. The free plan covers 10 users; paid plans start at $3.00 per month, and a 30-day trial is listed. End users needing enrollment or troubleshooting help are directed to their organization’s Duo administrator.

Visit duo.com