App store link for "rate/review this app"

Question

For versions lower than iOS 7 use the old one:

itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=YOUR_APP_ID

This works on my end (Xcode 5 - iOS 7 - Device!):

itms-apps://itunes.apple.com/app/idYOUR_APP_ID

For iOS 8 or later:

itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=YOUR_APP_ID&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software

Code snippet (you can just copy & paste it):

#define YOUR_APP_STORE_ID 545174222 //Change this one to your ID

static NSString *const iOS7AppStoreURLFormat = @"itms-apps://itunes.apple.com/app/id%d";
static NSString *const iOSAppStoreURLFormat = @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%d";

[NSURL URLWithString:[NSString stringWithFormat:([[UIDevice currentDevice].systemVersion floatValue] >= 7.0f)? iOS7AppStoreURLFormat: iOSAppStoreURLFormat, YOUR_APP_STORE_ID]]; // Would contain the right link

Update:

Swift 5.1, Xcode 11

Tested on Real Device iOS 13.0 (Guarantee to work)

import StoreKit

func rateApp() {

    if #available(iOS 10.3, *) {

        SKStoreReviewController.requestReview()
    
    } else {

        let appID = "Your App ID on App Store"
        let urlStr = "https://itunes.apple.com/app/id\(appID)" // (Option 1) Open App Page    
        let urlStr = "https://itunes.apple.com/app/id\(appID)?action=write-review" // (Option 2) Open App Review Page
        
        guard let url = URL(string: urlStr), UIApplication.shared.canOpenURL(url) else { return }
        
        if #available(iOS 10.0, *) {
            UIApplication.shared.open(url, options: [:], completionHandler: nil)
        } else {
            UIApplication.shared.openURL(url) // openURL(_:) is deprecated from iOS 10.
        }
    }
}

EDIT: iOS 11 Solution

This is the solution to my original answer (see below). When using the iOS 11 the following link format will work:

https://itunes.apple.com/us/app/appName/idAPP_ID?mt=8&action=write-review

Simply replace APP_ID with your specific app ID. The key to make the link work is the country code. The link above uses the us code but it actually doesn't matter which code is used. The user will automatically be redirected to his store.

iOS 11 Update:

It seems that none of the solutions presented in the other answers to get directly to the Review Page works on iOS 11.

The problem most likely is, that an app page in the iOS 11 App Store app does NOT have a Review Tab anymore. Instead the reviews are now located directly below the description and the screenshots. Of course it could still be possible to reach this section directly (e.g. with some kind of anchor), but it seems that this is not supported / intended by Apple.

Using one of the following links does not work anymore. They still bring the users to the App Store app but only to a blank page:

itms-apps://itunes.apple.com/app/idYOUR_APP_ID?action=write-review
itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=YOUR_APP_ID&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software

Everyone how still uses these links should update their apps ASAP, because referring the users to a blank App Store page is most likely not what you intended.

Links which do not refer to the Review page but to the App page, still work however, e.g.

itms-apps://itunes.apple.com/app/idYOUR_APP_ID   (same as above, but without write-review parameter)

So, you can still get the users to your apps Store page, but not directly to the review section anymore. Users now have to scroll down to the review section manually to leave their feedback.

Without a question this a "great and awesome benefit for User Experience and will help developers to engage users to leave high quality reviews without annoying them". Well done Apple...

Everything, written above is correct. Just a sample to insert into the app and change {YOUR APP ID} to actual app id, taken from iTunesconnect to show the Review page. Please note, as it was commented above, that it is not working on the Simulator - just the device.

• Correcting because of iOS 7 changes.
• Correcting for iOS 10+ openURL changes
  
• For iOS 13.6+ review URL is accessible with the one, used before version 6.0. It drives directly to the review page. Code updated

    NSString * appId = @"{YOUR APP ID}";
    NSString * theUrl = [NSString  stringWithFormat:@"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=%@&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software",appId];
    int vers = (int) [[UIDevice currentDevice].systemVersion integerValue];
    if (vers > 6 && vers < 12 ) theUrl = [NSString stringWithFormat:@"itms-apps://itunes.apple.com/app/id%@",appId];
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:theUrl] options:@{} completionHandler:nil];

All above approaches are correct, but nowadays using SKStoreProductViewController leads to better user experience. To use it you need to do the following:

• implement SKStoreProductViewControllerDelegate protocol in your app delegate

• add required productViewControllerDidFinish method:

  - (void)productViewControllerDidFinish:(SKStoreProductViewController *)viewController {
    [viewController dismissViewControllerAnimated: YES completion: nil];
  }
  

• Check if SKStoreProductViewController class is available and either show it or switch to the App Store:

  extern NSString* cAppleID; // must be defined somewhere...
  
  if ([SKStoreProductViewController class] != nil) {
    SKStoreProductViewController* skpvc = [[SKStoreProductViewController new] autorelease];
    skpvc.delegate = self;
    NSDictionary* dict = [NSDictionary dictionaryWithObject: cAppleID forKey: SKStoreProductParameterITunesItemIdentifier];
    [skpvc loadProductWithParameters: dict completionBlock: nil];
    [[self _viewController] presentViewController: skpvc animated: YES completion: nil];
  }
  else {
    static NSString* const iOS7AppStoreURLFormat = @"itms-apps://itunes.apple.com/app/id%@";
    static NSString* const iOSAppStoreURLFormat = @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%@";
    NSString* url = [[NSString alloc] initWithFormat: ([[UIDevice currentDevice].systemVersion floatValue] >= 7.0f) ? iOS7AppStoreURLFormat : iOSAppStoreURLFormat, cAppleID];
    [[UIApplication sharedApplication] openURL: [NSURL URLWithString: url]];
  }
  

Solution for iOS 11

Short App Store URLs do not correctly open the "write a review" interface in the new iOS 11 App Store. For example, this does not work:

https://itunes.apple.com/app/id333903271?mt=8&action=write-review

The workaround is to include a two-letter country code and app name in the URL, such as this:

https://itunes.apple.com/us/app/twitter/id333903271?mt=8&action=write-review

or

itms-apps://itunes.apple.com/us/app/twitter/id333903271?mt=8&action=write-review

You can get the full URL of your app from here: https://linkmaker.itunes.apple.com/

This successfully opens the "write a review" interface in the iOS 11 App Store.

Edit: As @Theo mentions below, the country code does not need to be localized and the app name in the URL does not need to be updated if the app name changes.

Hopefully Apple will fix this soon for the shorter URL. See rdar://34498138