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2FA Authenticator (2FAS) icon

2FA Authenticator (2FAS)

Simple, safe and open source 2FA Authenticator app!

Updated:
Aug 29, 2026
Released:
Aug 3, 2017
Version:
5.6.0
Content rating
Everyone
Android required
6.0 (API 23)
Installs:
5M+
Pricing
Free
Interaction / notes
Category
app / tools
Package name

Detailed 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.

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://2fas.com/discord

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

About 2FA Authenticator (2FAS)

Developer
Website
Privacy Policy
Address
1887 Whitney Mesa Dr Pmb 2130 #2130 Henderson, NV 89014-2069 United States

Permissions breakdown

Grouped as shown on Google Play. Informational only.

Camera 1 items

• take pictures and videos

Wi-Fi connection information 1 items

• view Wi-Fi connections

Other 5 items

• view network connections
• full network access
• run at startup
• control vibration
• prevent device from sleeping

Screenshots

Preview images associated with this app listing.

2FA Authenticator (2FAS) feature graphic

Versions

For extended version history and archived records, see the app record on mi9.com .
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