ReviewEngine simplifies the calling to app internet page for requesting a user review of the app on the app store. To use it simply drop the two files into your code and then add one method call to get it working.

gistfile1.m

//
//  ReviewEngine.h
//
//  Created by Danilo Priore on 23/11/11.
//  Copyright (c) 2011 Prioregroup.com. All rights reserved.
//
// ReviewEngine simplifies the calling to app internet page for requesting a
// user review of the app on the app store. To use it simply drop the two
// files into your code and then add one method call to get it working.

#define ITMS_APPS	@"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%@"

#import <UIKit/UIKit.h>
#import "ReviewEngine.h"

@interface ReviewEngine : NSObject

+ (void)gotoReviewWithAppID:(NSString*)appID;

@end

@implementation ReviewEngine

+ (void)gotoReviewWithAppID:(NSString*)appID {

	// id apple dell'app
	NSString *str = [NSString stringWithFormat:ITMS_APPS, appID]; 	
	// richiama il browser
	NSURL *url = [NSURL URLWithString:str];
	[[UIApplication sharedApplication] openURL:url];
}

@end