Calendars
Tuta Calendar privacy rating
End-to-end encrypted calendar from Tuta, available as a standalone Android and iOS app and in Tuta's web and desktop clients. Events, invitations and shared calendars are encrypted.
Summary
Tuta Calendar scores 65 out of 100 (grade C) on the calendars criteria. It meets 2 of 4 criteria: no trackers or telemetry and no ads or data sales. It partly meets open source. It does not meet independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).
Score 65 out of 100. How scoring works
Criteria
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Partial
Open source Weight 3 of 3
Is all the source code needed to run the product public?
Apps are open source under GPL-3.0. The server is not.
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Yes
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?
No third-party analysis tools. Anonymized usage statistics are collected only with prior consent, and Exodus finds no trackers in the Android app.
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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?
Funded by paid plans. No ads on any plan, including the free plan.
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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.