2FAS Auth

2FAS Auth is ranked #13 of 106 in authenticator apps on The Geeks Club. It runs on Android, Browser extension, iOS. There is a free plan.

2FAS Auth plans and pricing

2FAS Auth Free Free to use; donations support the project. Open-source authenticator · works offline 2fas.com · 3 Oct 2026

Compared on authenticator apps

Free plan: Yes
Code type: totp and hotp
Push approvals: Yes
Encrypted backup: Yes
Multi-device sync: Yes
Supported platforms: iOS, Android, Chrome, Brave, Firefox, Edge, Opera, Safari

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2FAS Auth

Free plan: Yes
Code type: totp and hotp
Push approvals: Yes
Encrypted backup: Yes
Multi-device sync: Yes
Supported platforms: iOS,Android,Chrome,Brave,Firefox,Edge,Opera,Safari
Purpose: 2FAS Auth generates two-factor authentication tokens to help users verify their identity when signing in to online accounts.
Offline use: The app works offline.
Token sync: Users can synchronize tokens with 2FAS export files, iCloud, or Google Drive.
Privacy: The app is anonymous and does not require an account to use.
Tracking: 2FAS says it does not use tracking codes.
Source code: 2FAS Auth is open-source, and its security features can be reviewed by independent security experts.
Browser support: The browser extension is offered for Chrome, Brave, Firefox, Edge, Opera, and Safari.
Extension workflow: Users pair the extension with the mobile app by scanning a QR code, then confirm token requests in the app.
Price from: Free

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Where it ranks on The Geeks Club

Best Authenticator Apps in 2026#13 of 106

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Sources

2fas.com· checked 21 Sept 2026
2fas.com/auth/· checked 3 Oct 2026
2fas.com/auth/browser-extension/· checked 3 Oct 2026
2fas.com/download/· checked 3 Oct 2026
2fas.com/about-us/· checked 3 Oct 2026