Clue #1 women-led cycle & period tracker and more.. 

Clue is a trusted cycle tracking app that helps people understand their bodies and navigate their health with confidence. With a clean, intuitive design and a science-based approach to reproductive health, Clue supports users through every phase of their cycle.

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By turning daily tracking into meaningful insights, Clue empowers users to understand how cycle changes show up in their daily life—from mood and energy to sleep and symptoms. Whether they’re managing PMS, tracking fertility, or navigating perimenopause, Clue meets users where they are.

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Trusted by millions around the world, Clue is available on both iOS and Android and built around data privacy, accuracy, and self-awareness—so users can track with confidence, no matter their journey.

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Clue Plus is the premium version of Clue, designed for anyone who wants a more personalised, in-depth understanding of their cycle.

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A subscription to Clue Plus includes:

• Cycle length and variation insights to track patterns over time from adolescence to perimenopause. 
• Full range of symptom trends, including cramps, period flow, feelings analysis, and more
• Connect your favourite wearable: Oura, Fitbit, WHOOP, Huawei, Polar, Withings, Ultrahuman and more.
• Complete access to predictions and all tracking categories
• Specialised modes for conception, pregnancy, and perimenopause
• 200+ expert-written health articles, reviewed by Clue’s science team
• Cycle sharing with a partner