2FA Authenticator (2FAS) 4+
#1 Rated 2FA Authenticator
Two Factor Authentication Service Inc.
-
- Free
Screenshots
Description
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
What’s New
Version 5.3.13
Updating list of services, libraries.
Ratings and Reviews
The only one I trust
I used to use another that said it was free, open, and non-commercial. Then they sold it to a company that held all of our keys for ransom. But 2FAS is truly open source so now this is the only one I trust.
Developer Response ,
Happy to have you with us!
Thank you for the review and your trust, we appreciate it greatly 😊
Way way way better than other app and its open source
This is way better than other mfa app out there
Developer Response ,
Happy you like it! Thanks for the the kind words, we appreciate it 😁✌️
Apple Watch app needed
Great app but would love an Apple Watch app as sometimes I don’t have my phone right next to me.
Developer Response ,
Thank you! You won't have to wait too long :)))
App Privacy
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
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Information
- Seller
- Two Factor Authentication Service, Inc.
- Size
- 77.5 MB
- Category
- Productivity
- Compatibility
-
- iPhone
- Requires iOS 16.4 or later.
- iPad
- Requires iPadOS 16.4 or later.
- Apple Watch
- Requires watchOS 10.4 or later.
- Languages
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English, Dutch, French, German, Greek, Indonesian, Italian, Japanese, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Turkish, Ukrainian
- Age Rating
- 4+
- Copyright
- © 2025 Two Factor Authentication Service, Inc.
- Price
- Free