look, whatever the argument is about IOS security, the fact remains, use corporate devices for work, and personal devices for anything else. and use your common sense most of all. don't criticise management over anything electronic. don't install stuff on company devices.
mobile tariffs these days are so cheap for international data that you shouldn't need to use company devices for anything personal.
if you keep a clear demarcation between the two then you should be clear of trouble.