2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free
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
Updated translations, services.
The developer, Two Factor Authentication Service Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 86.7 MB
- Category
- Productivity
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Apple Watch
Requires watchOS 10.4 or later.
- iPhone
- Languages
English and 15 more
- English, Dutch, French, German, Greek, Indonesian, Italian, Japanese, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
- Age Rating
4+
- 4+
- Provider
Two Factor Authentication Service, Inc.
- Two Factor Authentication Service, Inc. has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- DUNS Number
080536681 - Address
1887 Whitney Mesa Dr Pmb 2130
Henderson Nevada 89014-2069
United States - Phone Number
+1 7252401146 - Email
support@2fas.com
- Copyright
- © 2026 Two Factor Authentication Service, Inc.