This is literally an app that asks for your confidential medical information. My not-a-lawyer interpretation of the law is that it probably is not covered by HI

This is literally an app that asks for your confidential medical information. My not-a-lawyer interpretation of the law is that it probably is not covered by HIPAA (to be a "business associate" you need to have a direct financial relationship with a covered entity, i.e., a medical provider), but your snark is pretty reductionist.