I'm with magic's comment
I can't think of anything more dumbass than having WiFi wankery for something local on your person (at arms reach
FFS! ) vital to your existence/quality of life
Imagine collapsing and or expiring (or worse, left in a veg state and burden on everyone for years...) because of an app crash, frozen critical ~SeCuRitY~ update (
),
flat battery, adware phone jacking,
or some other background 'silent' snafu proudly presented by g0o0gle or crAPPLE
to enhance your silent demise which may need more R+D
If you're going to roll with electronic control for insulin monitoring, make it a dedicated simple non-Wifi device,
with instructions and pictures, and a
www.helpthisperson or Youtube link/URL that any passer by with or without a phone can understand
and stand half a chance to bail you out.
Having a backup unit handy is an option to be considered seriously, especially on weekends or away on trips etc