2FA Authenticator (2FAS)

4.3
31K reviews
1M+
Downloads
Content rating
Everyone
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About this app

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.

Private:
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. (COMING SOON)

Simple:
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 Twitter: https://twitter.com/2FAS_com
Subscribe on YouTube: https://www.youtube.com/@2FAS
Updated on
Oct 9, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.3
30.2K reviews
John Behling
November 16, 2024
It's easy to set up, intuitive, and has always worked when I needed it. Also, not swimming in ads, which is a huge plus. I also just replaced my phone, and was worried about getting this set up on my new device. Turns out the tokens were backed up on Google Drive, so as soon as I installed this, BAM! Everything was there, already working. I couldn't be happier!
13 people found this review helpful
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2FAS
June 27, 2023
Happy you like it! Thanks for the review! 😊
Mattelyn Sharp
November 1, 2024
Been using this app forever now and have had zero issues. Even after having to switch phones three times (don't ask) I've had no problem syncing and resyncing my tokens. The PIN code to access the app as an option is very nice and works like a charm meaning you can't bypass the lock screen by manipulating in any way like app lock apps. A+++ and highly recommend to anyone wanting a subtle, yet extremely powerful and reliable, authenticator.
10 people found this review helpful
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2FAS
November 2, 2024
Thank you very much for the recommendation! We appreciate it greatly 😊
Anthony Pietrandrea
November 23, 2024
Love this app. It's clean, customizable, and the browser extension that allows you to enable push authentication for any service is genius. My only suggestion would be to add an option to hide categories if they're empty. I have all of my services categorized, yet the default group still appears at the top and displays 0 tokens. Please let me hide this and the app will be perfect.
6 people found this review helpful
Did you find this helpful?
2FAS
November 23, 2024
Thank you for the feedback! I'll relay that to the team.

What’s new

- Fix keyboard type for password fields

App support

About the developer
Two Factor Authentication Service, Inc.
support@2fas.com
1887 Whitney Mesa Dr Pmb 2130 #2130 Henderson, NV 89014-2069 United States
+1 725-240-1146

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