Study reveals data-sharing practices of women's period apps
06/05/2025 | Privacy International
New research by Privacy International (PI) builds on earlier studies about how period and fertility tracking apps manage and share data with third parties, including those beyond Facebook. The research also assesses whether the apps we examined previously have improved their practices, as they have claimed.
For the study. PI looked at the leading period tracking apps on the Google Play Store.
PI structured its findings and recommendations for app developers, regulators and users. In its conclusions for users, PI advises caution against apps asking for unnecessarily detailed and sensitive health information and suggests using the most minimalist version in order to avoid data sharing. PI also recommends limiting personal data use for behavioural advertising and downloading an ad-blocker.
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