After posting the above comment I was thinking that, if I mentioned &#x27;free-app&#x27; as a differentiate, I should say something about revenue generation; even if going the non-profit route, charitable donations may provide enough cash flow.<p>How to pursue this idea without charging patients is still a problem I am trying to solve.  Here are two ideas I have:<p>1. If we are able to ethically collect anonymous data for use in research; institutions could pay a subscription for the data (This seems more suited to a non-profit company)<p>2. With the increase in use of mobile applications in patient care and research, this app could be put out for free as a promotional tool for a company that specializes in creating mobile software for medical research.