Cross-platform app frameworks
Qt privacy rating
Cross-platform C++ application framework with the Qt Widgets and Qt Quick/QML user interface toolkits, for desktop, mobile and embedded devices.
Summary
Qt scores 35 out of 100 (grade F) on the cross-platform app frameworks criteria. It meets 1 of 4 criteria: no ads or data sales. It partly meets open source. It does not meet no trackers or telemetry and independent audit. It is based in Finland: Not in the Five, Nine or Fourteen Eyes; EU member (GDPR).
Score 35 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?
Available under LGPLv3 and GPL, or under a commercial license, but a few add-on modules and tools are commercial only.
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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 qt.io website loads Google Tag Manager, HubSpot, Optimizely and Sentry.
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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 commercial licenses from The Qt Company, with no ads in the framework.
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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.