That said, if I had to choose one of these apps to use regularly, given that pricing for the three services is the same, it would be AT&T Navigator. While I liked VZ Navigator's zooming features and easy-to-read screen, and Sprint's bigger-than-the-others fonts, AT&T had more going for it in overall ease of use and features. For instance, AT&T's Pedestrian Mode is a terrific addition, helping me to find my way back to my car in a massive parking lot or to navigate while walking in an unfamiliar neighborhood.

Steve Bass is a former PC World contributing editor who now publishes a weekly newsletter at .