Ebook readers
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).
Score 50 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
Licensed under BSD-3-Clause.
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The app sends Google Analytics telemetry unless disabled in settings, and the website loads Google Tag Manager and Matomo Cloud.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Free software developed by EDRLab, a nonprofit association funded by its members. No ads.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.