1 NSString *str = [NSString stringWithFormat:@"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%@",@"414478124"]; 2 NSURL * url = [NSURL URLWithString:str]; 3 4 if ([[UIApplication sharedApplication] canOpenURL:url]) 5 { 6 [[UIApplication sharedApplication] openURL:url]; 7 } 8 else 9 { 10 NSLog(@"can not open"); 11 }