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    <p>The problem is that I forgot to explicitly close the transaction. For reference my full code is as follows. It has other things such as displaying a progress bar while downloading, but it's 100% working. Don't worry about Utility.h, it just defines some macros such as SAFE_RELEASE_VIEW.</p> <p>Essentially I extended the sample in raywenderlich by defining two methods buy and download.</p> <p>Pay close attention to updatedDownloads. Once the download finishes, I copy the contents to the user's document directory. When you download from Apple, the directory you have is like this:</p> <ul> <li> <ul> <li>ContentInfo.plist <ul> <li>Contents <ul> <li>Your Files</li> </ul></li> </ul></li> </ul></li> </ul> <p>Apple only gives you the path to the Download Folder. You use the path to read ContentInfo.plist. In my app, I have a property "Files" in ContentInfo.plist which lists my files in the Contents folder. I then copy the files to the Documents folder. If you don't do this, you must guess which files you have in your Contents folder, or you simply copy everything inside.</p> <p>This is the actual in-app purchase code for SmallChess (http://www.smallchess.com).</p> <pre><code>#import &lt;StoreKit/StoreKit.h&gt; #import "MBProgressHUD/MBProgressHUD.h" #import "Others/Utility.h" #import "Store/OnlineStore.h" NSString *const ProductPurchasedNotification = @"ProductPurchasedNotification"; @implementation StoreTransaction @synthesize productID, payment; @end @interface OnlineStore () &lt;SKProductsRequestDelegate, SKPaymentTransactionObserver, MBProgressHUDDelegate&gt; @end @implementation OnlineStore { NSSet *_productIDs; MBProgressHUD *_progress; NSMutableSet * _purchasedIDs; SKProductsRequest * _productsRequest; RequestProductsCompletionHandler _completionHandler; } -(id) init { if ([SKPaymentQueue canMakePayments] &amp;&amp; (self = [super init])) { [[SKPaymentQueue defaultQueue] addTransactionObserver:self]; } return self; } #pragma mark MBProgressHUDDelegate -(void) hudWasHidden:(MBProgressHUD *)hud { NSAssert(_progress, @"ddd"); [_progress removeFromSuperview]; SAFE_RELEASE_VIEW(_progress); } #pragma end #pragma mark SKProductsRequestDelegate -(void) request:(NSSet *)productIDs handler:(RequestProductsCompletionHandler)handler { _completionHandler = [handler copy]; _productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIDs]; _productsRequest.delegate = self; [_productsRequest start]; } -(void) productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response { _productsRequest = nil; _completionHandler(YES, response.products); _completionHandler = nil; } -(void) request:(SKRequest *)request didFailWithError:(NSError *)error { NSLog(@"Failed to load list of products."); _productsRequest = nil; _completionHandler(NO, nil); _completionHandler = nil; } #pragma end #pragma mark Transaction -(void) provideContentForProduct:(SKPaymentTransaction *)payment productID:(NSString *)productID { [_purchasedIDs addObject:productID]; [[NSUserDefaults standardUserDefaults] setBool:YES forKey:productID]; [[NSUserDefaults standardUserDefaults] synchronize]; StoreTransaction *transaction = [[StoreTransaction alloc] init]; [transaction setPayment:payment]; [transaction setProductID:productID]; [[NSNotificationCenter defaultCenter] postNotificationName:ProductPurchasedNotification object:transaction userInfo:nil]; } -(void) completeTransaction:(SKPaymentTransaction *)transaction { #ifdef DEBUG NSLog(@"completeTransaction"); #endif [self provideContentForProduct:transaction productID:transaction.payment.productIdentifier]; [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; } -(void) restoreTransaction:(SKPaymentTransaction *)transaction { #ifdef DEBUG NSLog(@"restoreTransaction"); #endif [self provideContentForProduct:transaction productID:transaction.originalTransaction.payment.productIdentifier]; [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; } -(void) failedTransaction:(SKPaymentTransaction *)transaction { #ifdef DEBUG NSLog(@"failedTransaction"); #endif if (transaction.error.code != SKErrorPaymentCancelled) { NSLog(@"Transaction error: %@", transaction.error.localizedDescription); } [[SKPaymentQueue defaultQueue] finishTransaction: transaction]; } -(void) restoreCompletedTransactions { #ifdef DEBUG NSLog(@"restoreCompletedTransactions"); #endif [[SKPaymentQueue defaultQueue] restoreCompletedTransactions]; } #pragma end #pragma mark Buy &amp; Download -(BOOL) purchased:(NSString *)productID { return [_purchasedIDs containsObject:productID]; } -(void) buy:(SKProduct *)product { SKPayment * payment = [SKPayment paymentWithProduct:product]; [[SKPaymentQueue defaultQueue] addPayment:payment]; } -(void) download:(StoreTransaction *)transaction { NSAssert(transaction.payment.transactionState == SKPaymentTransactionStatePurchased || transaction.payment.transactionState == SKPaymentTransactionStateRestored, @"The payment transaction must be completed"); if ([transaction.payment.downloads count]) { [[SKPaymentQueue defaultQueue] startDownloads:transaction.payment.downloads]; } } #pragma end #pragma mark SKPaymentTransactionObserver -(void) paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue { NSLog(@"RestoreCompletedTransactions"); } -(void) paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions { for (SKPaymentTransaction * transaction in transactions) { switch (transaction.transactionState) { case SKPaymentTransactionStatePurchased: { #ifdef DEBUG NSLog(@"SKPaymentTransactionStatePurchased"); #endif [[SKPaymentQueue defaultQueue] startDownloads:transaction.downloads]; break; } case SKPaymentTransactionStateFailed: { NSLog(@"Failed"); [self failedTransaction:transaction]; break; } case SKPaymentTransactionStateRestored: { NSLog(@"Restored"); [self restoreTransaction:transaction]; break; } case SKPaymentTransactionStatePurchasing: { #ifdef DEBUG NSLog(@"SKPaymentTransactionStatePurchasing"); #endif break; } } } } -(void) paymentQueue:(SKPaymentQueue *)queue restoreCompletedTransactionsFailedWithError:(NSError *)error { #ifdef DEBUG NSLog(@"restoreCompletedTransactionsFailedWithError"); #endif } -(void) paymentQueue:(SKPaymentQueue *)queue removedTransactions:(NSArray *)transactions { #ifdef DEBUG NSLog(@"removedTransactions"); #endif } -(void) paymentQueue:(SKPaymentQueue *)queue updatedDownloads:(NSArray *)downloads { for (SKDownload *download in downloads) { switch (download.downloadState) { case SKDownloadStateActive: { #ifdef DEBUG NSLog(@"%f", download.progress); NSLog(@"%f remaining", download.timeRemaining); #endif if (download.progress == 0.0 &amp;&amp; !_progress) { #define WAIT_TOO_LONG_SECONDS 60 #define TOO_LARGE_DOWNLOAD_BYTES 4194304 const BOOL instantDownload = (download.timeRemaining != SKDownloadTimeRemainingUnknown &amp;&amp; download.timeRemaining &lt; WAIT_TOO_LONG_SECONDS) || (download.contentLength &lt; TOO_LARGE_DOWNLOAD_BYTES); if (instantDownload) { UIView *window= [[UIApplication sharedApplication] keyWindow]; _progress = [[MBProgressHUD alloc] initWithView:[[UIApplication sharedApplication] keyWindow]]; [window addSubview:_progress]; [_progress show:YES]; [_progress setDelegate:self]; [_progress setDimBackground:YES]; [_progress setLabelText:@"Downloading"]; [_progress setMode:MBProgressHUDModeAnnularDeterminate]; } else { NSLog(@"Implement me!"); } } [_progress setProgress:download.progress]; break; } case SKDownloadStateCancelled: { break; } case SKDownloadStateFailed: { [Utility showAlert:@"Download Failed" message:@"Failed to download. Please retry later" cancelTitle:@"OK" otherTitle:nil delegate:nil]; break; } case SKDownloadStateFinished: { NSString *source = [download.contentURL relativePath]; NSDictionary *dict = [[NSMutableDictionary alloc] initWithContentsOfFile:[source stringByAppendingPathComponent:@"ContentInfo.plist"]]; if (![dict objectForKey:@"Files"]) { [[SKPaymentQueue defaultQueue] finishTransaction:download.transaction]; return; } NSAssert([dict objectForKey:@"Files"], @"The Files property must be valid"); for (NSString *file in [dict objectForKey:@"Files"]) { NSString *content = [[source stringByAppendingPathComponent:@"Contents"] stringByAppendingPathComponent:file]; NSAssert([Utility isFileExist:content], @"Content path must be valid"); // Copy the content to the Documents folder, don't bother with creating a directory for it DEFINE_BOOL(succeed, [Utility copy:content dst:[[Utility getDocPath] stringByAppendingPathComponent:file]]); NSAssert(succeed, @"Failed to copy the content"); #ifdef DEBUG NSLog(@"Copied %@ to %@", content, [[Utility getDocPath] stringByAppendingPathComponent:file]); #endif } if (download.transaction.transactionState == SKPaymentTransactionStatePurchased &amp;&amp; _progress) { [Utility showAlert:@"Purchased Complete" message:@"Your purchase has been completed. Please refer to the FAQ if you have any questions" cancelTitle:@"OK" otherTitle:nil delegate:nil]; } [_progress setDimBackground:NO]; [_progress hide:YES]; [[SKPaymentQueue defaultQueue] finishTransaction:download.transaction]; break; } case SKDownloadStatePaused: { #ifdef DEBUG NSLog(@"SKDownloadStatePaused"); #endif break; } case SKDownloadStateWaiting: { #ifdef DEBUG NSLog(@"SKDownloadStateWaiting"); #endif break; } } } } #pragma end @end </code></pre>
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    1. POHow to download In-App hosted content?
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    1. USSmallChess
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    1. POHow to download In-App hosted content?
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    1. COGreat post. Upvoted both Q & A. However, apparently you aren't telling what do you do when you say:"The problem is that I forgot to explicitly close the transaction." I am facing same issue of download status never reaching to completion. Debugging on simulator though as I don't have real device with me at hand right now, just getting nervous. Can you throw some light?
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      1. USNirav Bhatt
    2. COI can't tell you whether this would work in simulator because I never tried, but at least in the earlier iOS, this wouldn't work. Not sure about the latest iOS.
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      1. USSmallChess
    3. COQ: Has your download even started? ie. Has it ever reached anything other than 0%? In my code, I have: NSLog(@"%f", download.progress);, please do the same and tell me what you have.
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