# Thorium Reader privacy rating

Open-source desktop reader for EPUB, PDF, audiobooks and comics from EDRLab, a French nonprofit. It supports LCP-protected library loans, read aloud and screen readers.

## Summary

Thorium Reader scores 50 out of 100 (grade D) on the ebook readers criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It does not meet no trackers or telemetry and independent audit. It is based in France: Nine Eyes member; EU member (GDPR).

- Website: https://www.edrlab.org/software/thorium-reader/
- Source code: https://github.com/edrlab/thorium-reader
- License: BSD-3-Clause
- Jurisdiction: France. Nine Eyes member. EU member (GDPR).
- Platforms: Windows, macOS, Linux
- Home page trackers: Google Fonts (not scored), Google Tag Manager, Matomo Cloud (cookieless analytics)
- Category: [Ebook readers](https://privacyratings.com/ebook-readers/)
- Grade: D (50/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | Licensed under BSD-3-Clause. | https://raw.githubusercontent.com/edrlab/thorium-reader/develop/LICENSE |
| No trackers or telemetry | No | The app sends Google Analytics telemetry unless disabled in settings, and the website loads Google Tag Manager and Matomo Cloud. | https://raw.githubusercontent.com/edrlab/thorium-reader/develop/src/main/analytics/measurementProtocol.ts |
| No ads or data sales | Yes | Free software developed by EDRLab, a nonprofit association funded by its members. No ads. | https://www.edrlab.org/about/ |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/ebook-readers/thorium-reader/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/ebook-readers/thorium-reader.md