Period trackers
Euki privacy rating
Open source sexual and reproductive health app from a US nonprofit, with period tracking, reminders and health information. Data stays on the device, with an optional PIN.
Summary
Euki scores 67 out of 100 (grade C) on the period trackers criteria. It meets 4 of 6 criteria: open source, no ads or data sales, data stays on device and no account needed. 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 67 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?
GPL-3.0 for the Android and iOS apps.
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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 Exodus report finds no trackers in the Android app, but the eukiapp.org website loads Google Ads conversion tags.
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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 app from a donation-funded nonprofit, with no ads and no data sales.
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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.
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Yes
Data stays on device Weight 3 of 3
Is cycle data stored only on the device by default?
All data is stored only on the device, with no servers or cloud storage.
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Yes
No account needed Weight 2 of 3
Can the app be used without an account?
No accounts and no email collected.