Really neat idea and clean UI, would definitely use this if not for a slight reluctance to upload that kind of data to the cloud, but I know some people don't care. If there were a version I could whip out on my own home server, I would do that.
We are GDPR compliant (UK/Europe) and have all the compliance for HIPAA in place (although not officially certified since we are not medical). You can download all your data at any time and even delete it completely from our servers. This is all an option through the app.
Would you be interested in trying it out? Please do register on the website. Love to hear your further thoughts.