Clue Period & Cycle Tracker

Science-based period and cycle tracker to understand your body.

iOSAccount requiredApp Store (US)★ 4.8 · 403.6K ratingsGoogle Play (US)★ 4.5 · 1.5M ratings · 50M+ downloadsfreemiumglobal

Clue is a science-based mobile app for tracking menstrual cycles, periods, ovulation, and related symptoms, with tools to log data and reveal hormone-linked patterns. It’s aimed at women and other people who menstruate who want a research-based way to understand how their cycle affects symptoms and to make more informed health decisions; the app is widely used and well-reviewed.

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