Use fontes icônicas com Objective-C.
https://github.com/AlexDenisov/FontasticIcons
http://www.cocoacontrols.com/platforms/ios/controls/fontasticicons
FIIconView *iconView = [[FIIconView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];
iconView.backgroundColor = [UIColor clearColor];
iconView.icon = [FIEntypoIcon leafIcon];
iconView.padding = 2;
iconView.iconColor = [UIColor greenColor];
[self.view addSubview:iconView];