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Yubico Authenticator

Yubico Authenticator

2FA with YubiKey

268 ratings
179 reviews
🔧 Utilities
📊 Productivity
Free

Details

  • Released
  • Updated
  • November 5, 2019
  • March 11, 2026

Developer

Yubico
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Yubico Authenticator screenshot #1 for iPhone
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Yubico Authenticator screenshot #4 for iPhone
iphone
ipad
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About

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

✓Hardware-backed security key storage
✓Touch or NFC authentication
✓USB-C support
✓Biometric unlock (FaceID/TouchID)
✓QR code setup
✓User presence verification
✓Smart Card support
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What users say

Summarized from real user reviews of Yubico Authenticator. Based on 268 reviews and a 3.7/5 average, it highlights the 4 positives and 4 negatives reviewers mention most about this Productivity app.

Positive things

  • 🚀Works well with Yubikey
  • 🔒Secure storage of OATH secrets
  • 👍Simple and easy to use
  • 🚀NFC support added

Negative things

  • 🐛NFC not working on some devices
  • 🐛Clunky UI for password-protected keys
  • 🐛Crashes and freezes reported
  • 🐛Incompatible with some devices (iPad, older iPhones)
See all reviews

What's New in Yubico Authenticator

1.13.0

March 11, 2026

This version adds support for retired PIV slots and PIV decryption in the Smart card extension, enabling mail clients to decrypt encrypted emails using private keys stored on YubiKey. We've also added SCP11 support for PIV sessions over NFC on FIPS keys and improved PIV certificate display names. Additionally, we've improved how the app handles YubiKeys with the OATH application disabled and improved the reliability of the Yubico OTP disable feature.

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User reviews

Most RecentHighest RatedLowest Rated

Works fine, could use polish

Please update this app to reflect automatic dark icons in iOS 26. As it stands, this app sticks out like a sore thumb for its insistence on an inflexible branded app icon.
tsgrissomtsgrissom

useless on iPad 10th generation

I plug in my YubiKey C Bio and it only flashes 3 times then quits. I can’t even access the configuration of the key. Y is this? My iPad is now my only device
APValeriusAPValerius

yubico auth is not recognizing my ipad

plugged in my yubi key to the ipad port and saw that yubico auth still shows “Insert your YubiKey”however it does work on my pc
GiftChickDotComGiftChickDotCom

NFC not working

I’m not able to detect key and setup in my iphone. Earlier I ordered 5C version it wasn’t detected then ordered NFC one and wasted my time and efforts. Fix the app instead of wasting money on website UI design.
Aks4125Aks4125

Love this app

Easy to use with my yubikey 5ci
ZachStolz20ZachStolz20
See 174 more reviews

User experience

🐞

Reported Bugs

4 issues

NFC not working reliably

Bug

Accounts disappearing after updates

Bug

Calculation of codes not working

Bug

Keyboard issues when using keys

Bug
✨

Requested Features

5 requests

Allow editing and rearranging of entries

Feature

Add support for multiple keys per account

Feature

Improve iPad/tablet support

Feature

Add dark mode option

Feature

Improve QR code scanning

Feature

FAQ

What does the Yubico Authenticator app do?

The Yubico Authenticator app allows you to store your unique credentials on a hardware security key, such as a YubiKey. It then generates verification codes used to log into various online services, providing a secure two-factor authentication method without storing sensitive information on your mobile device.

What are the key features of the Yubico Authenticator?

Key features include storing credentials on a hardware security key, touch or NFC authentication, USB-C support, biometric unlock using FaceID or TouchID, easy setup via QR codes, user presence verification, and support for both time-based and counter-based code generation. It also offers Smart Card support for certificate-based authentication.

How much does the Yubico Authenticator app cost?

The Yubico Authenticator app is free to download and use. There are no in-app purchases or advertisements associated with the application itself. The primary cost is the purchase of a compatible YubiKey hardware security key.

What devices is the Yubico Authenticator compatible with?

The app is compatible with mobile phones and tablets that support USB, Lightning, or NFC connections, depending on the YubiKey model used. iPads without NFC will require a Lightning or USB connection. It generates codes that are compatible with services that support other authenticator apps.

How does this app improve security compared to other authenticator apps?

This app enhances security by storing your sensitive secrets on a hardware-backed YubiKey, rather than on your mobile device's internal storage. This significantly reduces the risk of account takeovers if your phone is compromised. Codes are generated only when the YubiKey is physically present and authenticated.