# 2fast (open-source security app)

> 2fast is a free, open-source security app for Android and iOS. Two-Factor Authenticator Supporting TOTP (Windows 10 & Android, iOS, Linux and macOS App). It has 565 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at 2fast-team/2fast.

other installation method (not maintained by me) 2fast (acronym for two factor authenticator supporting TOTP) is a free, open source, two factor authenticator for Windows and other platforms. 2fast has the ability to store the encrypted data at a place of your choice instead of a 3rd party cloud location.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/2fast-team/2fast |
| Platforms | Android, iOS, Desktop |
| Built with | Other |
| GitHub stars | 565 |
| License | GPL-3.0 (open source) |
| F-Droid | not listed |
| F-Droid anti-features | n/a |
| Google Play | not linked |
| App Store | not linked |
| Website | https://2fast-app.de |
| Official | no |
| Category | Password managers & security |
| Latest release | v1.5.1 (Mar 24, 2026) |
| Last commit | Sep 19, 2026 |

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