Leaks on iPhone, but not in Simulator, involving external libraries? -

I need help pointing to the source of the leak which is generated from all external libraries, so I am not Understand that this is anything I'm doing. Strange, there is no leak on the simulator!

Some leaks objects / responsible libraries / responsible frames that look like this:

  UIImageView iAd - [ADBrandingFrame initWithFrame:] CALayer UIKit - [UIView _createLayerWithFrame:] NSCFString Foundation - [NSCFString copyWithZone:] General Block-88 Quartz Core mem_alloc General Block -32 ImageOiOOMO General General Block -32 Graphics Services GSFontsJitfluenza GeneralBlock-16 Graphics Services GSFETetGetFamilyName GeneralBlock-16 Webcour RunWebStread (Zero *) GeneralBlock-16 Go Askriptkor WTF :: Inishiylaijhmantred platforms ()  

Vebkor and Jawaskriptkore leaking small leaks but the first show. The previous one generates a backstage like this: LibSystem.B.dylib thread_assign_default 1 libSystem.B.dylib _pthread_start 2 WebCour RunwayTrade (Zero *) 3 Corf. CFRunLoopRunInMode 4 Corf. CFRunLoopRunSpecific 5 Core Foundation __CFRunLoopRun 6 libSystem.B.dylib malloc

Any ideas what may be the problem? I believe that leaks are in all external libraries, but on the other hand there is no leak in the simulator, it will be a difficult time. Is there a bug in the leak app? Should not I worry about these leaks?

Thank you for your help.