> I ran iOS 7 on my iPhone 5 for months and got better battery life running the same apps I doubt most apps take advantage of the M7 yet. So if you run them on

> I ran iOS 7 on my iPhone 5 for months and got better battery life running the same apps I doubt most apps take advantage of the M7 yet. So if you run them on a 5S, they are going to be using battery, and the built-in logic is going to be using battery.