# Authenticator apps

10 apps ranked by verified data.
Source: https://altcatalog.com/category/authenticator-apps/

## Apps

- [2FAS](https://altcatalog.com/alternatives/2fas.md) — Open source 2FA with browser extension approvals
- [Aegis Authenticator](https://altcatalog.com/alternatives/aegis-authenticator.md) — Open source Android TOTP with encrypted backups
- [Authy](https://altcatalog.com/alternatives/authy.md) — Twilio's synced 2FA app
- [Duo Mobile](https://altcatalog.com/alternatives/duo-mobile.md) — Enterprise push MFA from Cisco
- [Ente Auth](https://altcatalog.com/alternatives/ente-auth.md) — E2E encrypted cross-platform authenticator
- [FreeOTP](https://altcatalog.com/alternatives/freeotp.md) — Red Hat's minimal open source OTP
- [Google Authenticator](https://altcatalog.com/alternatives/google-authenticator.md) — The barebones TOTP standard
- [Microsoft Authenticator](https://altcatalog.com/alternatives/microsoft-authenticator.md) — Push approvals for Microsoft accounts
- [Stratum](https://altcatalog.com/alternatives/stratum.md) — Open source authenticator with wearable support
- [Yubico Authenticator](https://altcatalog.com/alternatives/yubico-authenticator.md) — TOTP stored on your YubiKey

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Ranked by verified data, never by who paid. https://altcatalog.com/trust/