I never used a fitbit or similar because I think they are privacy nightmares. I'm also not a big fan of measuring everything (or over-optimizing everything).
But now I'm curious: are there any that d...
The local school banned all smartphones, but Fitbits were OK because they aren't smart unless connected to an app. But smart enough that my daughter has worn hers every day since she was about 9 and is very aware just from some basic on-screen numbers how active she is, and aware of the occasional days she is a couch potato. It has proven a great educational/awareness tool without an app.