There are plenty of telemetry apps for the iPhone, but few are as sexy as Zilla. The app provides the usual data, including G-forces, weight transfer and speed, but apes the Polyphony Digital-designed instruments found on the Nissan GT-R. You can customize the screens to suit your needs, and the layout and graphics are second to none. Not only that, but according to the app's developers, it has "...near Chuch Norris levels of accuracy." All for $3.99 in the App Store.


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