SkyLabを利用したiOSアプリケーションのABテスト ref: http://qiita.com/okitsutakatomo/items/90a96a4ef2276251cd56

file0.txt

[SkyLab abTestWithName:@"Title" A:^{
    self.titleLabel.text = NSLocalizedString(@"Hello, World!", nil);
} B:^{
    self.titleLabel.text = NSLocalizedString(@"Greetings, Planet!", nil);
}];

file1.txt

[SkyLab splitTestWithName:@"Subtitle" choices:@{
    @"Red" : @(0.15),
    @"Green" : @(0.10),
    @"Blue" : @(0.50),
    @"Purple" : @(0.25)
 } block:^(id choice) {
     self.subtitleLabel.text = NSLocalizedString(@"Please Enjoy This Colorful Message", nil);

     if ([choice isEqualToString:@"Red"]) {
         self.subtitleLabel.textColor = [UIColor redColor];
     } else if ([choice isEqualToString:@"Green"]) {
         self.subtitleLabel.textColor = [UIColor greenColor];
     } else if ([choice isEqualToString:@"Blue"]) {
         self.subtitleLabel.textColor = [UIColor blueColor];
     } else if ([choice isEqualToString:@"Purple"]) {
         self.subtitleLabel.textColor = [UIColor purpleColor];
     }
}];