I'm also not really sure on how this app is better than the other similarly vibecoded Health Connect dashboards which are open source and cost nothing:
https://f-droid.org/en/packages/dev.easonhuang.heartwood/ https://f-droid.org/en/packages/tech.mmarca.openvitals/ https://f-droid.org/en/packages/com.monkopedia.healthdisconn...
Just the ones that come up when searching "health connect" on F-Droid, I'm sure there are more.
I hope this comment doesn't sound rude, sorry if it does