
Femtech uses technology to address women’s health needs, while wellness apps help people understand and improve areas such as stress, sleep, movement, and recovery. For both categories, product-market fit means more than attracting downloads. A product has to solve a specific problem for a defined group well enough that users return, recommend it, and make it part of their lives.
That is difficult in health, where a simple interface often rests on complex evidence, sensitive data, and widely different user needs. The stories of Reeva Misra, founder of Walking on Earth, and Hélène Guillaume, founder of Wild.AI, show how focused experiments, patient product development, and credible outcomes can turn an ambitious idea into a product people value. Their pandemic-era lessons remain useful for anyone building a femtech or wellness app.
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