Summary: Pioneer's AppRadio has great potential as a cost-effective way to add touch-screen iPhone app control to a car's dashboard, but interface and multitasking issues will prove frustrating for early adopters.
Pros: The Pioneer AppRadio gives iPhone users access to a large capacitive touch screen for app and media selection and hands-free calling. An external microphone and a GPS antenna enhance the iPhone's hands-free call quality and positioning accuracy, respectively. Being primarily software-based, AppRadio has tremendous potential to grow as the app marketplace continues to change.
Cons: Third-party apps can't be switched between from within the AppRadio interface, so you'll have to use the iPhone's touch screen. At launch, only four third-party apps were supported. A shortage of physical connections limits hardware expandability.