DashCommand for Windows, Android and iOS has been around for a while, but the most recent update for the iPhone allows you to view all the OBD-II-sourced data directly on your Pioneer AppRadio.
As we've said before, the real draw of the AppRadio isn't just its 6.1-inch, capacitive multi-touch screen, it's the ability for third parties to integrate their apps into the display. In the case of DashCommand, you can port over 229 different data points through your iPhone, iPad or iPod Touch using an OBDII connector. A maximum of 27 customizable gauges show you everything from coolant temps to check engine lights, and using the built-in accelerometer and GPS systems, you can also display an inclinometer, G-forces and even race track mapping. Get all the details in at DashCommand's site.