Clue is a science-based, data-driven menstrual and reproductive health app trusted by 10 million users globally. The app helps individuals understand their bodies, menstrual cycles, ovulation, and other reproductive health aspects through tracking and analysis.

Clue aims to empower users by turning menstrual cycles into powerful tools that provide insights into overall health and fertility. The app serves users at every stage of their reproductive journey including understanding cycles, trying to conceive, navigating perimenopause, and managing menstrual symptoms.

Subscription models include Clue Basic (free account with essential cycle statistics) and Clue Plus (premium with advanced insights, cycle sharing, expert content access, and unlimited customization).

Strict data privacy is a cornerstone of Clue; the app never sells or discloses user data and is protected under the strictest data privacy laws globally including GDPR compliance.

Clue is CE-marked as a Class 1 medical-grade device, and collaborates with research partners such as Berkeley, 4M, and MIT to close diagnosis gaps for under-researched female health conditions like endometriosis, PMDD, and PCOS.