OptiChroniX is an American-Swiss Digital Health company dedicated to improve Brain Health for Millions. We support a healthy brain by providing a late life dementia risk predictor, continuous screening for cognitive change and focussing on modifiable factors in ones lifestyle and current health status as early as for people in their mid forties. OptiChroniX develops a digital solution at the intersection of biomedical, behavioural, computing and engineering research, deployed on smartphones to personalize, track and improve a user's health by collecting data from other wearables and nearables. The informed choices offered aim to provide tailored coaching in order to improve health literacy and medication adherence, and to positively impact modifiable factors primarily responsible for the cognitive decline in people.