2FA Authenticator (2FAS)
2FA Authenticator (2FAS) Summary
2FA Authenticator (2FAS) is a free Android app in Tools by 2FAS. Released in Aug 2017 (8 years ago). It has about 5.8M+ installs and 32K ratings with a 4.34★ (good) average. Based on AppGoblin estimates, it reaches roughly 125K monthly active users . Store last updated Mar 11, 2026
Recent activity: 16K installs this week (40K over 4 weeks) showing steady growth , and 5.00 new ratings this week View trends →
SDK intelligence: AppGoblin detected 4 development tools(e.g. Kotlin), 1 analytics: product,and 1 business tools integrated into 2FA Authenticator (2FAS). View full SDK list →
2FA Authenticator (2FAS) SDKs Summary
2FA Authenticator (2FAS) was last scanned for SDKs on 2026-07-22. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Kotlin
Square
Google
Airbnb Engineering
Firebase
Keepsafe4.34★
Ratings: 32K
Screenshots
App Description
Simple, safe and open source 2FA Authenticator 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://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