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Head-to-head · Authenticator Apps

Yubico Authenticator vs 2FAS Auth

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Yubico Authenticator #6 in Authenticator Apps 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Yubico
2FAS Auth #21 in Authenticator Apps 7.9/10 Free plan Free plan✓ 3 of 4 features Visit 2FAS

Yubico Authenticator leads on 0 checks, 2FAS Auth on 3, and 2 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 scoreYubico Authenticator · 8.8/10
  • Free planboth
  • Most features2FAS Auth · 3 of 4

Yubico Authenticator scores higher on our rubric for authenticator apps: 8.8 against 7.9 out of 10; our editors rank them #6 and #21.

2FAS Auth offers push approvals; Yubico Authenticator doesn't. 2FAS Auth offers encrypted backup; Yubico Authenticator doesn't. 2FAS Auth offers multi-device sync; Yubico Authenticator doesn't.

Yubico Authenticator is the better fit for yubiKey owners storing codes in hardware. 2FAS Auth is the better fit for free users wanting browser access and strong migration.

  • Yubico Authenticator fits best

    YubiKey owners storing codes in hardware

  • 2FAS Auth fits best

    Free users wanting browser access and strong migration

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Side by side

Feature Yubico Authenticator 8.8/10 Visit ↗ 2FAS Auth 7.9/10 Visit ↗
At a glance
Editor score 8.8 7.9
Ranking #6 in Authenticator Apps #21 in Authenticator Apps
Best for YubiKey owners storing codes in hardware Free users wanting browser access and strong migration
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Mobile, Browser extension
Platforms Windows, macOS, Linux, iOS, Android iOS, Android, Chrome extension
Support Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Yubico Authenticator 0/4 · 2FAS Auth 3/4
Push approvals — ✓ (best)
Encrypted backup — ✓ (best)
Multi-device sync — ✓ (best)
Team administration — Not checked yet
Specs
Code type Totp and hotp Totp and hotp
Supported platforms Windows, macOS, Linux, iOS/iPadOS, Android iOS, Android, Chrome, Brave, Firefox, Edge, Opera, Safari
Our review
Pros
  • Stores TOTP and HOTP credentials in the YubiKey secure element
  • Manages passkeys, PIV credentials, OTP slots, and fingerprints
  • Supports Windows, macOS, Linux, iOS/iPadOS, and Android
  • Generates offline TOTP and HOTP codes
  • Encrypted iCloud and Google Drive backups
  • Imports tokens from several popular authenticator apps
Cons
  • Requires a compatible YubiKey and is not a standalone authenticator
  • Does not provide encrypted backup or multi-device synchronization
  • Credentials are not extractable from the hardware key
  • Cross-device synchronization stays within the same operating system
  • Browser access depends on supported browser extensions
  • Available platforms are iOS, Android, and a browser extension
Our verdict

Yubico Authenticator is a companion app for YubiKey security keys, designed for people who want one-time password credentials stored on dedicated hardware. It generates OATH TOTP and HOTP codes, adds accounts by QR code or manual entry,…

Read the review →

2FAS Auth is a free authenticator for iOS and Android, designed for people who need one-time verification codes without a paid subscription. It generates TOTP and HOTP codes offline and supports QR-code, image, and manual token setup.…

Read the review →
  1. Yubico AuthenticatorAuthenticator Apps 8.8Free plan
  2. 2FAS AuthAuthenticator Apps 7.9Free plan

Strengths and trade-offs

  • Yubico Authenticator — where it wins

    • Stores TOTP and HOTP credentials in the YubiKey secure element
    • Manages passkeys, PIV credentials, OTP slots, and fingerprints
    • Supports Windows, macOS, Linux, iOS/iPadOS, and Android

    Where it doesn't

    • Requires a compatible YubiKey and is not a standalone authenticator
    • Does not provide encrypted backup or multi-device synchronization
    • Credentials are not extractable from the hardware key

  • 2FAS Auth — where it wins

    • Generates offline TOTP and HOTP codes
    • Encrypted iCloud and Google Drive backups
    • Imports tokens from several popular authenticator apps

    Where it doesn't

    • Cross-device synchronization stays within the same operating system
    • Browser access depends on supported browser extensions
    • Available platforms are iOS, Android, and a browser extension
  • Yubico Authenticator8.8/10 · Free plan

    A free, open-source companion for storing TOTP and HOTP codes on a YubiKey.

    Visit YubicoFull verdict →
  • 2FAS Auth7.9/10 · Free plan

    A free, migration-friendly authenticator with encrypted backups and broad browser coverage.

    Visit 2FASFull 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