PSIsCrappyDevice

gistfile1.m

BOOL PSIsCrappyDevice(void) {
    static BOOL isCrappyDevice = YES;
    
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        BOOL isSimulator = NO;
        BOOL isIPad2 = (PSIsIpad() && [UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]);
        BOOL hasRetina = [[UIScreen mainScreen] scale] > 1.f;
        
        // enable animations on simulator
#if TARGET_IPHONE_SIMULATOR
        isSimulator = YES;
#endif
        if (isIPad2 || hasRetina || isSimulator) {
            isCrappyDevice = NO;
        }
    });
    
    return isCrappyDevice;
}