It aims to support five million people in maintaining health habits by 2025.“We know our digital health coach helps people make lasting changes to their health and wellbeing, but this project will give us the insights to develop a version of the app that best meets the needs of older adults,” said Grace Gimson, CEO and co-founder, Holly Health. London-based Holly Health is a behavioural change app that helps with issues such as stress, wellbeing, sleep and weight management.