When It's Okay to Pay For an App

There are over 130,000 apps in the App Store. About 100,000 of those expect you to pay cash money for a download. Sometimes it's worth it! Often, it's not. Prof. Dealzmodo's here to help you tell the difference. » 2/25/10 2:03pm 2/25/10 2:03pm

Navigon MobileNavigator ($90) Don't Download MotionX GPS Drive ($1) Download…