

This! If you have good hardware that works, it’s good to keep it if possible.
My smartwatch/activity tracker is indeed a Garmin Instinct 2s with Gadgetbridge. It really does most of what the proprietary app does, and gives you near absolute control over your data.


As a physicist, my favorite referee comment ever was [That my claim was wrong] “should be obvious to anyone who has ever sat through an elementary electromagnetism course.” He was wrong BTW, and the paper was finally published in a different journal.
I am from a decidedly different field, so I don’t know if I can vouch for you in any meaningful way.