Yubico Authenticator APK v7.4.2 · Latest Version for Android
Yubico Authenticator generates 2FA codes stored on your YubiKey hardware key, via NFC or USB. Your secrets stay off your phone.
- Version
- 7.4.2
- Updated
- Sep 12, 2026
- Size
- 30 MB
- Requires
- Android 7.0+
- Developer
- Yubico
- Category
- Security
- License
- Apache-2.0
- Package
- com.yubico.yubioath
What is Yubico Authenticator?
Yubico Authenticator works with YubiKey security keys. Instead of keeping two-factor secrets on your phone, they are stored on the hardware key, and the app reads codes when you tap the key via NFC or plug it in.
Key Features
- OATH TOTP and HOTP codes from a YubiKey
- NFC and USB support
- Secrets stored on hardware, not the phone
- Same accounts on mobile and desktop
- Manage YubiKey settings
Getting Started
Add accounts by scanning a QR code and saving them to your YubiKey. Keep a backup key with the same accounts.
Open Source and Privacy
Yubico Authenticator is developed in the open by Yubico and released under the Apache-2.0 license. The code is hosted at github.com/Yubico/yubioath-flutter, so anyone can check what the app does. The version on this page has no ads or tracking libraries flagged by F-Droid.
How to Install Yubico Authenticator APK
- Tap Download and get the Yubico Authenticator v7.4.2 APK (30 MB).
- Optional: compare the file’s SHA-256 checksum with the one on the download page.
- Open the file and allow your browser or file manager to install unknown apps if asked.
- Tap Install. Updates from the same source install over this one and keep your data, because they are signed with the same key.
Frequently Asked Questions
Is Yubico Authenticator free?
Yes. Yubico Authenticator is free and open-source software released under the Apache-2.0 license. It has no ads and no paid version is required to use it.
Is this Yubico Authenticator APK safe?
The APK on this page is the original file published in the F-Droid repository, unmodified. Its SHA-256 checksum is listed on the download page so you can verify it, and the full source code is public.
What Android version does Yubico Authenticator need?
Yubico Authenticator v7.4.2 requires Android 7.0 or newer.
Where can I find the source code of Yubico Authenticator?
The source code is available at https://github.com/Yubico/yubioath-flutter. You can read it, report issues or contribute there.
