Here’s a look at what PC World deems are 10 must have apps for the iPhone. A couple of teasers here… There’s an app that lets you find the cheapest gas prices in your area by just entering in a zip code. There’s an WiFi hot-spot finder app, which is definitely useful when you want the much faster WiFi and you find the slow EDGE network just doesn’t cut it. Then there’s the always useful app from AccuWeather that expands on what the normal Weather app shows. To read the whole list, head on over here to PC World.