One App to Rule Them All?
I've been using MyFitness Pal for over a year. I also use Map My Fitness (and sync that data to MFP). I have a Fitbit. And I use an iPhone. I haven't paid much attention to the Apple Health Kit; the MFP seemed to give me enough data. But, I just purchased a Withings Smart Body Analyzer, which not only syncs my weight by…