Cross-platform app frameworks
Flutter privacy rating
Google's UI toolkit for building natively compiled mobile, web and desktop apps from one Dart codebase, drawing its own widgets with its rendering engine.
Summary
Flutter scores 50 out of 100 (grade D) on the cross-platform app frameworks 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 the United States: Five Eyes member; subject to the US CLOUD Act.
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?
BSD-3-Clause licensed.
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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 flutter tool sends usage statistics and crash reports to Google by default until disabled, and flutter.dev loads Google Tag Manager.
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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?
Developed and funded by Google, 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.