If you want to have better insight into how your applications are being used, you can use Flurry Analytics. It is a free service, easily integrable into your iPhone applications. It provides accurate data about how consumers use your application. You will receive anonymous, aggregated usage and performance data, as well as robust reporting and… →
The main issue here is that the tint color of the UINavigationBar instance inside UISplitViewController instance gets back to default grey color every time user changes devices interface orientation.