Philosophically, the HL7 Mobile Health group favors using terms that are commonly accepted in the consumer mobile space, in preference to terms that are used only in the EHR space. Simply put, the target user for these devices are consumers, rather than clinicians. However, where terms are used differently in EHR vs consumer spaces, we take note of that, and acknowledge the various uses.
This does not purport to be an exhaustive set of mobile health definitions, but terms are included only to provide clarity within cMHAFF.
See British Standards Institution Publicly Available Specification (PAS) 277:2015 Health and wellness apps. Quality criteria across the life cycle. Code of practice (https://shop.bsigroup.com/forms/PASs/PAS-2772015/) which has a good set of Terms and Definitions (section 3).