HIROSAKI youd is a lifestyle app developed by VELDT Inc., available for iPhone users. The app aims to provide insights to improve your well-being based on your personal data. It analyzes a variety of information such as lifestyle habits, self-reported health records, and environmental data like weather and air pressure from wearable devices and smartphones. By correlating these data, it helps users understand the factors affecting their health and well-being.

The app leverages health data and life logs stored on your smartphone to help you increase healthy time. It presents insights such as the correlation between activities, sleep, blood pressure, weight, and your well-being. HIROSAKI youd encourages users to turn these insights into positive changes for their health.