# Authenticator privacy rating

Open source two-factor authentication app for iOS that stores secrets encrypted in the iOS keychain. The app never connects to the internet.

## Summary

Authenticator scores 80 out of 100 (grade B) on the two-factor authentication criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit.

- Website: https://mattrubin.me/authenticator/
- Source code: https://github.com/mattrubin/Authenticator
- Home page trackers: none found
- Category: [Two-factor authentication](https://privacyratings.com/two-factor-authentication/)
- Grade: B (80/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | MIT. | https://github.com/mattrubin/Authenticator/blob/develop/LICENSE.txt |
| No trackers or telemetry | Yes | The app never connects to the internet, and the website loads no scripts. | https://github.com/mattrubin/Authenticator#readme |
| No ads or data sales | Yes | Free volunteer project with no ads or paid tiers. | https://mattrubin.me/authenticator/ |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/two-factor-authentication/authenticator/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/two-factor-authentication/authenticator.md