This document provides guidance on mobile medical apps according to draft guidelines from the US Food and Drug Administration (FDA). It discusses the FDA's proposed definition of mobile medical apps and scope of regulation. Certain types of apps, such as those solely for general health and wellness, would not be regulated. The document also discusses who would be considered the manufacturer of a mobile medical app and provides comments on the FDA's draft guidelines, calling for clearer definitions and exemptions for low-risk products. Further steps from the FDA and developments in the EU are also outlined.