Understanding your body
changes everything

A sealed envelope bearing the Clair flower mark

We're creating a world where healthcare is preventative, not reactive, where everyone has the intelligence to understand their body before symptoms become crises.

End-to-end encryption

Built with privacy at the core, so your health data stays protected and yours.

Science you can trust

Clair is grounded in rigorous research, clinical thinking, and continuous validation as the science evolves.

Preventative over reactive

Clair helps women anticipate changes earlier, so decisions can be made before issues escalate.

Built to be believed

Every insight is built to stand up to scrutiny, so women never have to fight to be taken seriously again.

We strive to give every woman the intelligence her body holds, so she can assess her own health goals, advocate with evidence, and finally be understood.

Scientific advisors

ML scientist contributing to women’s health R&D across science, product, and partnerships. Brings a research background in neuroscience and physiological signal analysis.

Christy Lane, PhD

Christy Lane, PhD

Advisor

Founding member of Stanford’s Wearable Health Lab. Expert in wearable technology and predictive health analytics. Co-founder of Flora Fertility.

Roxana Daneshjou, MD, PhD

Roxana Daneshjou, MD, PhD

Advisor

Stanford assistant professor and developing AI for healthcare. Leader in precision medicine and responsible AI in clinical care.

Join 32,000+ who will finally have answers

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Your nameFOUNDING MEMBER
HSA / FSA Eligible
  • Founding member price ($295 $369)
  • 6 months of free Premium app subscription
  • Community events
  • Free ground shipping
Limited spots left. Devices ship Jan 2027.