Authenticator by Matt Rubin
The facts below are what the maker publishes about Authenticator by Matt Rubin, checked and dated. Our editors have not written about it yet.
Plans and prices
From Authenticator by Matt Rubin's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | Free, open-source iOS two-factor authentication app |
The facts
Each one read from Authenticator by Matt Rubin's own pages, with the date it was checked.
What it does
- 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.checked 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.checked 11 Oct 2026
- Code type
- totp and hotpchecked 22 Sep 2026
- Credential setup
- Users can add credentials by scanning a QR code, entering an otpauth:// URL, or entering them manually.checked 11 Oct 2026
- Credential storage
- Credentials are stored locally in encrypted form in the iOS Keychain.checked 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.checked 11 Oct 2026
- Network behavior
- The maker says the app never connects to the internet and secret keys never leave the device.checked 11 Oct 2026
- Open source
- The project source is available on GitHub under the MIT License.checked 11 Oct 2026
- OTP support
- The app supports time-based and counter-based one-time passwords standardized in RFC 4226 and RFC 6238.checked 11 Oct 2026
- Privacy
- The privacy policy says the app does not send information to the developer, other apps, servers, or third parties.checked 11 Oct 2026
- Purpose
- The app generates one-time passwords to use with account passwords when signing in to supported websites.checked 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.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
Where it runs
- Multi-device sync
- Nochecked 22 Sep 2026
- Platform
- The maker describes Authenticator as a two-factor authentication client for iOS.checked 11 Oct 2026
- Supported platforms
- ios,macoschecked 22 Sep 2026
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