Best Authenticator Apps in 2026: our top 5 — what are you using?

Security & Privacy
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Our editors rank 111 tools in Authenticator Apps from their official pricing, plan and product pages. The current top 5:

  1. Proton Authenticator — 9.4/10 · Free plan
    A mature free option for secure 2FA codes across mobile and desktop platforms.
  2. Google Authenticator — 9.2/10 · Free plan
    A free, straightforward authenticator with offline codes, sync, and QR transfers.
  3. Authy — 9.1/10 · Free plan
    A focused free authenticator for mobile users who need synced TOTP tokens.
  4. Microsoft Authenticator — 9.0/10 · Free plan
    A focused free authenticator for Microsoft accounts and compatible third-party services.
  5. Duo Mobile — 8.9/10 · Free plan · paid from $3/user/mo · 30-day trial
    A flexible authenticator for Duo push approvals, third-party OTPs, and team device management.

Full ranking, filters and every tool: https://www.itechguides.com/best/authenticator-apps/

What are you using right now, and what made you pick it? If a tool you rely on is missing, name it below.

— iTechGuides team · editorial ranking only (paid placements are never part of it) · updated Sep 2026