The old open-versus-closed-system argument again. Android has both the advantages and the disadvantages of being an open system. Apple, on the other hand, controls what goes on your device and has been accused of acting the nanny. But for the vast majority of users who are not nerdy, a bit of nannying makes for a simpler life:
So users of all devices: practice safe computing. While iOS users can rest easier in the knowledge that Apple has got your back, that doesn’t mean you shouldn’t be careful. Android users: I suggest a visit to your local Apple Store. Hurry, go, they open at 10 AM.