点击链接直接跳转到app store指定应用下载页面以及添加评论

跳转到应用下载页面

NSString *str = [NSString stringWithFormat:@"http://itunes.apple.com/us/app/id%d", 123456];
[[UIApplication sharedApplication] openURL:[NSURL urlWithString:str]];

跳转到应用评论页面

NSString *str = [NSString stringWithFormat:@"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%d",123456 ];
[[UIApplication sharedApplication] openURL:[NSURL urlWithString:str]];