Ever since iOS 6 I have several problems with using custom styling in my application. I use a custom font and several UIAppearance proxies. A problem I can\'t g
UIAppearance
If it helps, you can adjust (at least) the vertical position of the title:
[[UINavigationBar appearance] setTitleVerticalPositionAdjustment:4 forBarMetrics:UIBarMetricsDefault];
(This question helped me to find a solution to this problem: UINavigationBar custom title position )