cryptowolf on Nostr: id like it to have a companion app to sync with my android device. the only one I ...

id like it to have a companion app to sync with my android device.
the only one I know of which is accurate with steps and heart rate is google fitbit, i dont want my data in googles hands.

i want it local only, and i lean towards open source with most of my software i use to avoid the "trust" concerns.