# Yubico Authenticator (open-source security app)

> Yubico Authenticator is a free, open-source security app for Android and iOS. Generate OATH codes with YubiKey NEO over NFC. It has 1,386 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.

Store your unique credential on a hardware-backed security key and take it wherever you go from mobile to desktop. No more storing sensitive secrets on your mobile phone, leaving your account vulnerable to takeovers. With the Yubico Authenticator you can raise the bar for security.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Yubico/yubioath-flutter |
| Platforms | Android, iOS |
| Built with | Flutter |
| GitHub stars | 1,386 |
| License | Apache-2.0 (open source) |
| F-Droid | https://f-droid.org/packages/com.yubico.yubioath/ (package com.yubico.yubioath) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://developers.yubico.com/yubioath-flutter |
| Official | no |
| Category | Password managers & security |
| Latest release | 7.4.2 (Sep 9, 2026) |
| Last commit | Sep 14, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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Canonical page: https://appsgit.com/mobile-apps/yubico-authenticator
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