iOS APP内跳转到App Store评论界面

NSString *appstoreUrlString = [NSString stringWithFormat:
                                           @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%@",
                                           APP_ID];// APP_ID 为应用id
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:appstoreUrlString]];