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- Authenticator by Matt Rubin
On the recordRead 11 Oct 202616 facts
Authenticator by Matt Rubin
Plans and prices
Free
Free
Free, open-source iOS two-factor authentication app
Read 11 Oct 2026 · mattrubin.me
On the record
- Analytics
- The app collects no analytics and includes no third-party analytics functionality, though iOS settings may allow Apple to collect app usage or crash analytics.mattrubin.me · read 11 Oct 2026
- Backup limitation
- The App Store description says tokens are stored on one device and are not included in iCloud or unencrypted backups.apps.apple.com · read 11 Oct 2026
- Code type
- totp and hotpgithub.com · read 22 Sep 2026
- Credential setup
- Users can add credentials by scanning a QR code, entering an otpauth:// URL, or entering them manually.mattrubin.me · read 11 Oct 2026
- Credential storage
- Credentials are stored locally in encrypted form in the iOS Keychain.mattrubin.me · read 11 Oct 2026
- Integrations
- The maker documents QR code, otpauth:// URL, and manual credential entry; it does not list named service integrations on the product page.mattrubin.me · read 11 Oct 2026
- Multi-device sync
- Nogithub.com · read 22 Sep 2026
- Network behavior
- The maker says the app never connects to the internet and secret keys never leave the device.mattrubin.me · read 11 Oct 2026
- Open source
- The project source is available on GitHub under the MIT License.github.com · read 11 Oct 2026
- OTP support
- The app supports time-based and counter-based one-time passwords standardized in RFC 4226 and RFC 6238.mattrubin.me · read 11 Oct 2026
- Platform
- The maker describes Authenticator as a two-factor authentication client for iOS.mattrubin.me · read 11 Oct 2026
- Privacy
- The privacy policy says the app does not send information to the developer, other apps, servers, or third parties.mattrubin.me · read 11 Oct 2026
- Purpose
- The app generates one-time passwords to use with account passwords when signing in to supported websites.mattrubin.me · read 11 Oct 2026
- Support
- The product page links to GitHub to report an issue, and the privacy policy gives [email protected] for questions about that policy.mattrubin.me · read 11 Oct 2026
- Supported platforms
- ios,macosgithub.com · read 22 Sep 2026
