2FA Key — OTP Authenticator
Private TOTP for Apple Devices
About
Generate time-based one-time passwords for two-factor authentication on your Apple devices. Supports offline use, easy account setup via QR codes or manual entry, and organization into groups. Protects codes with device authentication.
What's New in 2FA Key
1.1
October 19, 2026
Search now stays smooth while you type, then refreshes results after you pause. Recovery Lab checks local vault access and code generation. Code Doctor explains account parameters when a service rejects a code. We also refined the Apple device layout so the code stays the focus.
MoreSubscriptions & In-App Purchases
$2.00
2FA Key Lifetime
Unlimited accounts on iPhone, iPad, Mac & Apple Watch.
FAQ
What is 2FA Key?
2FA Key is a utility app that generates time-based one-time passwords (TOTP) for two-factor authentication. It allows you to secure your online accounts by providing an extra layer of security beyond just a password.
Does 2FA Key work offline?
Yes, 2FA Key can generate one-time passwords even when you don't have an internet connection. This ensures you can always access your accounts, regardless of your network availability.
How do I add accounts to 2FA Key?
You can add accounts by scanning a QR code displayed during the setup of a service, importing a QR code image, or by manually entering the account details provided by the service.
What languages does 2FA Key support?
2FA Key supports English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German, French, and Spanish. It automatically detects your system language but can also be set manually.
How much does 2FA Key cost?
The app is free to download and use for one account. A one-time purchase is available to unlock unlimited accounts permanently, with no subscription required.
Is 2FA Key safe to use?
Yes, 2FA Key uses your device's authentication (like Face ID or Touch ID) to protect your generated codes through its App Lock feature. It is rated for ages 4+.
What devices is 2FA Key available on?
2FA Key is available on iPhone, iPad, Mac, and Apple Watch, allowing for seamless access across your Apple ecosystem.
How often is 2FA Key updated?
The app was last updated on October 13, 2026, with version 1.0. This indicates a recent release, and further updates can be expected based on developer activity.