2FAuth

The app still works as is, but it is no longer maintained and is not available in the App Store.

Two-Factor Authenticator App you dream about.

Features

• 100% free and fully open-sourced.
• Autofill codes with Safari Extension.
• Optional passcode or biometrics authentication inside the app.
• Optional iCloud Sync additionally encrypted with a user-provided passphrase.
• Works both on iPhone and iPad.
• Multitasking support on iPad (Slide Over and Split View).
• Fully supports Dynamic Type.
• Supports iOS 13 Dark Mode.
• Insanely performance-optimized and built with security in mind.

Tech details

• Supports for time-based (TOTP) and counter-based (HOTP) code generation.
• Adding codes by otpauth:// URL scheme.
• 2FAuth never sends your data anywhere unless you use iCloud Sync.
• Supports iOS 11 or later.

Upcoming Features

• Apple Watch App

Getting Started

1. Clone the repo git clone https://github.com/2FAuth/2FAuth-iOS.git
2. Fetch submodules git submodule update --init
3. Open TwoFAuth.xcodeproj

Requirements

• Xcode 11
• iOS 11 or later

Privacy Considerations

Your data never leaves your devices. If you enable iCloud Sync data will be transmitted to your private iCloud Database via CloudKit framework encrypted with AES256.

2FAuth uses NTP protocol to get the current secure time . Feel free to use any traffic monitor (e.g., Charles) to check it yourself.

All website favicons are bundled in the app. There's a standalone internal tool that uses https://twofactorauth.org database to fetch all websites supporting 2FA.

Privacy Policy

See PrivacyPolicy.txt

Special thanks

This app would not have been possible without an awesome OneTimePassword library from Matt Rubin.

License

2FAuth is available under the MIT license. See the LICENSE file for more info.