YStory is a Tokyo-based digital health company focused on women’s health, menopause care and femtech. Founded in 2023, the company uses data and AI to develop services and solutions that support women’s wellbeing throughout different life stages, while helping organizations advance workplace health and wellbeing. Its mission is to improve health literacy, promote positive aging and build a platform that helps women make informed decisions about their health.

YStory’s flagship service, JoyHer, is a smartphone self-care app designed around the health concerns and needs of women experiencing menopause in Japan. It offers symptom tracking and insights, expert articles and a community, supporting users in managing their health and wellbeing. The company also provides JoyHer for organizations, a service for businesses and health insurance associations seeking to strengthen women’s health support at work. In addition to its digital products, YStory shares educational resources and hosts webinars on topics such as menopause support, workplace practices and women’s health. Through these offerings, the company connects individual self-care with practical approaches to organizational wellbeing.