Free alternatives to Google Authenticator
Why look elsewhere
Google Authenticator and Authy are free but closed-source, and your codes live in one company's account. Authy's desktop apps were retired in 2024.
What to compare
Open source, encrypted backups you can export, and whether you need iOS, Android or a browser extension.
Side by side
| Resource | Pricing | Type | Licence | Platforms | Popularity | Last commit | Link |
|---|---|---|---|---|---|---|---|
| Aegis | Open source | Tool | GPL-3.0 | android | ★ 13k | 6 Sept 2026 | ✓ |
| ente Auth | Open source | Service | — | web | — | — | ✓ |
| 2FAS Auth | Open source | Service | — | web · android · ios · browser-extension | — | — | ✓ |
| Proton Authenticator | Open source | Service | — | web | — | — | ✓ |
| FreeOTPPlus | Open source | Tool | Apache-2.0 | android | ★ 747 | 24 Aug 2026 | ✓ |
| Authenticator Pro | Open source | Tool | GPL-3.0 | android | ★ 4.6k | 2 Oct 2026 | ✓ |
| OwkyQuiet for 2+ years | Open source | Tool | MIT | ios | ★ 58 | 11 Mar 2023 | ✓ |
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Aegis
getaegis.appA free, secure and open source app for Android to manage your 2-step verification tokens.
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ente Auth
ente.comA free, cross platform, end-to-end encrypted and open source app for managing your 2-step verification tokens.
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2FAS Auth
2fas.comOpen source TOTP authenticator for iOS and Android with a companion browser extension and no account required.
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Proton Authenticator
proton.meProton Authenticator is an open source and end-to-end encrypted 2FA app that’s simple and free to use.
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FreeOTPPlus
github.comEnhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticator.
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Authenticator Pro
github.comTwo-Factor Authentication (2FA) client for Android + Wear OS.
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Owky
github.comFree and Open Source Two-Factor Authenticator for IOS users.
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