"HIPAA defines a covered entity as 1) a health care provider that conducts certain standard administrative and financial transactions in electronic form; 2) a health care clearinghouse; or 3) a health plan"
which is explained by the flowchart in the document I linked in my other comment. So as long hippaway app doesn't take payments for health services (which you can't do unless you are a certified health provider), I guess she is fine. Yes?