2FA Authenticator (2FAS)
Two Factor Authentication Service Inc. Productivity iPhoneiPadiPod touchApple Watch
2FA Authenticator (2FAS) is a free Productivity app for iPhone and iPad by Two Factor Authentication Service Inc. Rated 4.7/5 from 35,437 ratings.
- Rating
- 4.7
- 35.4K ratings
- Price
- Free
- on the App Store
- Size
- 80 MB
- Age 4+
- Updated
- Sep 14
- 2026 · v6.0.0
Screenshots
About 2FA Authenticator (2FAS)
2FAS is the easiest way to enable two-factor authentication (or multi-factor authentication) to verify your identity and securely log in to accounts to keep your personal data and passwords protected from cyber threats — all from one app, 100% free! The world’s most secure, private, and simple 2FA app. Secure: • Easily restore your tokens with backups. • Add app protection with your passcode or biometrics. • 2FAS is open-source, transparent, and community-driven. Simple: • 2FAS syncs across your mobile devices. • An interface designed for simplicity. • One-tap authentication with 2FAS Browser Extensions. • Multi-language support. • Quick guides for setup and support. Private: • 2FAS works offline. • 2FAS doesn't store any passwords or metadata. • 100% anonymous use, no account required. It’s not too late to protect your data, so what are you waiting for? Protect your online accounts and services now with TOTP and HOTP algorithms. Start using the 2FAS authenticator app today! If you have any questions, talk with us on our Discord server: https://discord.gg/q4cP6qh2g5 Learn more about 2FAS: • Check our GitHub repository: https://github.com/twofas • Visit our website at: https://2fas.com/ • Follow us on X: https://x.com/2FAS_com • Subscribe on YouTube: https://www.youtube.com/@2FAS
Ratings & reviews
4.7
35.4K ratings
What’s new
Version 6.0.0 · Updated September 14, 2026
It took us a lot of time and effort, but we're finally here! We've modernized the app's look, but at its core, it's the same functionality you've come to rely on. Stay tuned for more changes!
App privacy
The developer, Two Factor Authentication Service Inc., reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: App Functionality
Alternatives to 2FA Authenticator (2FAS)
Looking for apps like 2FA Authenticator (2FAS)? Here are 6 similar apps on the App Store. The highest rated is Authenticator App+ (4.8/5), and all 6 are free to download.
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Authenticator App
4.6
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LastPass Authenticator
4.6
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Authenticator App+
4.8
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Proton Pass - Password Manager
4.8
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Proton Drive: Cloud Storage
4.1
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Proton Authenticator
4.4
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 2FA Authenticator (2FAS) | 4.7 / 5 (35,437 ratings) | Free | September 14, 2026 | |
| Authenticator App | 4.6 / 5 (49,304) | Free | Sep 30, 2026 | Compare |
| LastPass Authenticator | 4.6 / 5 (44,622) | Free | Sep 22, 2026 | Compare |
| Authenticator App+ | 4.8 / 5 (11,908) | Free | Oct 1, 2026 | Compare |
| Proton Pass - Password Manager | 4.8 / 5 (8,397) | Free | Sep 29, 2026 | Compare |
| Proton Drive: Cloud Storage | 4.1 / 5 (1,196) | Free | Sep 28, 2026 | Compare |
| Proton Authenticator | 4.4 / 5 (271) | Free | Aug 26, 2026 | Compare |