CalibrateYou for Android
The Android app reads Health Connect, so one permission screen covers Fitbit, Samsung Health, Garmin Connect, Google Fit, Pixel Watch, Oura and Whoop data on your phone. It is read-only and you choose each data type.
The app is in testing on Google Play. If the link does not open yet, use the web app for now; your record carries over when you sign in on Android.