# Stratum privacy rating

Free and open source two-factor authentication app for Android with encrypted backups, icon packs, categories and a Wear OS companion app. It imports from many other authenticator apps.

## Summary

Stratum 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://stratumauth.com
- Source code: https://github.com/stratumauth/app
- License: GPL-3.0
- Home page trackers: Cloudflare Web Analytics (cookieless analytics)
- Category: [Two-factor authentication](https://privacyratings.com/two-factor-authentication/)
- Grade: B (80/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | GPL-3.0. | https://github.com/stratumauth/app/blob/master/LICENSE |
| No trackers or telemetry | Yes | No third-party trackers, and Exodus finds none in the app. The website's Cloudflare Web Analytics are cookieless and aggregate-only. | https://stratumauth.com/privacy |
| No ads or data sales | Yes | Provided at no cost as a GPL-3.0 project, with no ads. | https://stratumauth.com/privacy |
| Independent audit | No | No independent audit is published. |  |

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