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Head-to-head · Authenticator Apps

Microsoft Authenticator vs Duo Mobile

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Microsoft Authenticator #4 in Authenticator Apps 9.0/10 Free plan Free plan✓ 1 of 4 features Visit Microsoft
Duo Mobile #5 in Authenticator Apps 8.9/10 Free plan · 30-day trial Free planFree trial✓ 3 of 4 features Visit Duo Mobile

Microsoft Authenticator leads on 0 checks, Duo Mobile on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft Authenticator · 9.0/10
  • Free planboth
  • Free trialonly Duo Mobile
  • Most featuresDuo Mobile · 3 of 4

Microsoft Authenticator scores higher on our rubric for authenticator apps: 9.0 against 8.9 out of 10; our editors rank them #4 and #5.

Microsoft Authenticator is the better fit for microsoft users wanting push and passwordless sign-in. Duo Mobile is the better fit for teams needing push MFA plus third-party OTPs.

  • Microsoft Authenticator fits best

    Microsoft users wanting push and passwordless sign-in

  • Duo Mobile fits best

    Teams needing push MFA plus third-party OTPs

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Side by side

Feature Microsoft Authenticator 9.0/10 Visit ↗ Duo Mobile 8.9/10 Visit ↗
At a glance
Editor score 9.0 8.9
Ranking #4 in Authenticator Apps #5 in Authenticator Apps
Best for Microsoft users wanting push and passwordless sign-in Teams needing push MFA plus third-party OTPs
Pricing model Free Free plan + paid
Starting price Free plan $3/user/mo
Free plan ✓ ✓
Free trial — 30 days
Deployment Mobile Mobile
Platforms iOS, Android iOS, Android
Support Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Microsoft Authenticator 1/4 · Duo Mobile 3/4
Push approvals ✓ ✓
Encrypted backup Not checked yet ✓ (best)
Multi-device sync — Not checked yet
Team administration Not checked yet ✓ (best)
Specs
Code type Totp Totp
Supported platforms iOS, Android iOS, Android
Our review
Pros
  • Push approvals support passwordless and multifactor sign-in
  • Includes passkeys, TOTP codes, QR setup, and biometric verification
  • Free on iOS and Android with backup for supported account data
  • Supports one-tap push approvals plus TOTP and HOTP codes
  • Encrypted backup, Instant Restore, and Security Checkup add useful safeguards
  • Administrative device enrollment and management support team deployments
Cons
  • Available only on iOS and Android
  • Backup and restore works between devices of the same type
  • HOTP support is not available for Microsoft Entra ID
  • Backup and restore depend on operating system and device settings
  • Backup restoration does not work across platforms
  • Administrative controls are provided through the broader Duo service
Our verdict

Microsoft Authenticator is a free mobile app for signing in to Microsoft personal, work, school, and other accounts. Its core options include passwordless sign-in through approval notifications, multifactor authentication through push…

Read the review →

Duo Mobile is a smartphone authenticator for individuals and organizations using Cisco Duo. It combines one-tap push approval and denial with TOTP and HOTP passcode generation, covering both Duo-protected applications and compatible…

Read the review →
  1. Microsoft AuthenticatorAuthenticator Apps 9.0Free plan
  2. Duo MobileAuthenticator Apps 8.9Free plan · 30-day trial

Strengths and trade-offs

  • Microsoft Authenticator — where it wins

    • Push approvals support passwordless and multifactor sign-in
    • Includes passkeys, TOTP codes, QR setup, and biometric verification
    • Free on iOS and Android with backup for supported account data

    Where it doesn't

    • Available only on iOS and Android
    • Backup and restore works between devices of the same type
    • HOTP support is not available for Microsoft Entra ID

  • Duo Mobile — where it wins

    • Supports one-tap push approvals plus TOTP and HOTP codes
    • Encrypted backup, Instant Restore, and Security Checkup add useful safeguards
    • Administrative device enrollment and management support team deployments

    Where it doesn't

    • Backup and restore depend on operating system and device settings
    • Backup restoration does not work across platforms
    • Administrative controls are provided through the broader Duo service
  • Microsoft Authenticator9.0/10 · Free plan

    A focused free authenticator for Microsoft accounts and compatible third-party services.

    Visit MicrosoftFull verdict →
  • Duo Mobile8.9/10 · Free plan · 30-day trial

    A flexible authenticator for Duo push approvals, third-party OTPs, and team device management.

    Visit Duo MobileFull verdict →

More comparisons

All authenticator apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update