How many third-party apps do you have installed?

It’s easy to lose track of how many third-party apps you’ve installed on your iPhone. With OS 3.0, you can find out quickly. Go to Settings >General >About and look at the list. It will tell you the network you are connected to and the number of songs, videos, and photos you have on your device. The fifth item in the list tells you how many third-party apps you have installed.