A:Answerwith the exception of Touchscreen=yes on the large one vs Touchscreen = Curved Super AMOLED on the small one, I am not seeing a difference in specs that detail the difference between large and small regarding size.
A:AnswerYou can set it up by phone or by the watch, all the features are not available if you do it by the watch but can still track your steps and workouts.
A:AnswerIf have iPhone, the answer is NO, only quick notification
If you have Android Phone, Yes, only quick reply and custom reply through Samsung gear apps
A:AnswerNo, it only currently has apps to sync with UA Record / MyFitnessPal / Samsung Health and only automatically sync's to Samsung Health. It's been a real bone to pick with me that it doesn't have an integration with google fit.
A:AnswerOn the Samsung Health app you can delete those from the home screen. It should have add and delete buttons on it, you might need to update the app.