Clue

We build Clue, a period tracking app and menstrual health resource designed to help people understand their bodies. Our product combines science-based insights with privacy-first practices, so users can track cycles, symptoms, and life-stage changes with tools that are meant to be accurate, safe, and supportive. We also publish educational content through our encyclopedia, written to help people learn and talk about menstrual and reproductive health with evidence rather than guesswork.

On the data and research side, we treat user information carefully and focus on de-identified insights that can help advance understanding of menstrual and reproductive health. We use longitudinal tracking data to power cycle predictions and pattern recognition, and we describe our work as contributing to better healthcare and improved outcomes. Our mission is to provide trustworthy information, data-driven tools, and emotional support for everyone with a menstrual cycle - from first period to last period.