Yubico Authenticator
Yubico Authenticator: A free, open-source companion for storing TOTP and HOTP codes on a YubiKey. Ranked #6 of 111 in Authenticator Apps by our editors (8.8/10); pricing: Free plan; best for yubiKey owners storing codes in hardware.
At a glance
- Editor score8.8 / 10
- PricingFree plan
- Best forYubiKey owners storing codes in hardware
- Free planYes
- Paid fromFree
- Push approvalsNo
- Founded2007 · Stockholm, Sweden
- Facts checked21 Sep 2026
Where it wins
- Stores TOTP and HOTP credentials in the YubiKey secure element
- Manages passkeys, PIV credentials, OTP slots, and fingerprints
- Supports Windows, macOS, Linux, iOS/iPadOS, and Android
Where it doesn't
- Requires a compatible YubiKey and is not a standalone authenticator
- Does not provide encrypted backup or multi-device synchronization
- Credentials are not extractable from the hardware key
Our verdict on Yubico Authenticator
Yubico Authenticator is a companion app for YubiKey security keys, designed for people who want one-time password credentials stored on dedicated hardware. It generates OATH TOTP and HOTP codes, adds accounts by QR code or manual entry, and manages several YubiKey functions. Alongside authenticator codes, the app supports FIDO2 passkeys and PINs, PIV certificates and keys, Yubico OTP and other slot credentials, fingerprints on YubiKey Bio keys, and YubiKey application settings. It runs on Windows, macOS, Linux, Android, iPhone, and iPad.
The main distinction is its hardware-backed storage model. Authentication secrets remain in the YubiKey secure element rather than on the host device, and the credentials are not extractable. That gives users a consistent way to access configured credentials on compatible devices while using the same physical key. The app is free and open source, making it a focused option for individual YubiKey owners who prefer local hardware storage over a cloud-based authenticator. Its broader YubiKey management features also make it more useful than a code-only app for people managing passkeys, PIV settings, OTP slots, or Bio fingerprints.
This approach also defines the product's boundaries. A compatible YubiKey is required, so it is not suitable as a standalone authenticator for users who want codes stored on a phone or synchronized through an account. The published capabilities do not include encrypted backup or multi-device synchronization, and credentials cannot be extracted from the key. Choose Yubico Authenticator when hardware storage and YubiKey credential management are priorities; choose another authenticator when cloud recovery, independent device access, or synchronized software-based storage matters more.
Your product? Our editors can test Yubico Authenticator in depth and publish a review, labelled as paid · from $149/mo →
Yubico Authenticator pricing
Yubico Authenticator fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Code type | Totp and hotp |
| Push approvals | No |
| Encrypted backup | No |
| Multi-device sync | No |
| Team administration | No |
| Supported platforms | Windows, macOS, Linux, iOS/iPadOS, Android |
| Deployment | Desktop, Mobile |
| Platforms | Windows, macOS, Linux, iOS, Android |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | yubico.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Yubico Authenticator
- Proton AuthenticatorA mature free option for secure 2FA codes across mobile and desktop platforms.9.4
- Google AuthenticatorA free, straightforward authenticator with offline codes, sync, and QR transfers.9.2
- AuthyA focused free authenticator for mobile users who need synced TOTP tokens.9.1
See all Yubico Authenticator alternatives →
Yubico Authenticator vs the competition
- Yubico Authenticator vs Proton Authenticator
- Yubico Authenticator vs Google Authenticator
- Yubico Authenticator vs Authy
- Yubico Authenticator vs Microsoft Authenticator
- Yubico Authenticator vs Duo Mobile
- Yubico Authenticator vs Zoho OneAuth
Compare Yubico Authenticator with any tool side by side →
Used Yubico Authenticator? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Yubico Authenticator for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Yubico Authenticator is listed in our Authenticator Apps directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/yubico-authenticator/"><img src="https://www.itechguides.com/best/badge/yubico-authenticator.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update