The cost range for running a clinical pilot study on the effect of a mobile app on improving someone's health can vary significantly depending on various factors such as the scope of the study, the number of participants, the duration of the study, and the specific metrics being evaluated. Generally, clinical studies involve expenses related to participant recruitment, data collection and analysis, regulatory compliance, and any necessary technology or infrastructure.
For a more detailed understanding of the costs involved and best practices in healthcare app development, I recommend checking out this informative article: https://www.cleveroad.com/blog/healthcare-app-development/. It offers valuable insights into the development process, regulatory requirements, and factors to consider when creating a healthcare app, which could be helpful in planning and budgeting for your clinical pilot study.