diff --git a/packages/in_app_purchase/in_app_purchase_storekit/ios/Classes/FIAObjectTranslator.m b/packages/in_app_purchase/in_app_purchase_storekit/ios/Classes/FIAObjectTranslator.m
index 5d87a68de67c..cc272a2e2f2a 100644
--- a/packages/in_app_purchase/in_app_purchase_storekit/ios/Classes/FIAObjectTranslator.m
+++ b/packages/in_app_purchase/in_app_purchase_storekit/ios/Classes/FIAObjectTranslator.m
@@ -233,7 +233,7 @@ + (NSDictionary *)getMapFromSKStorefront:(SKStorefront *)storefront
 
 + (SKPaymentDiscount *)getSKPaymentDiscountFromMap:(NSDictionary *)map
                                          withError:(NSString **)error {
-  if (!map || map.count <= 0) {
+  if (!map || [map isKindOfClass:[NSNull class]] || map.count <= 0) {
     return nil;
   }
 
@@ -273,7 +273,7 @@ + (SKPaymentDiscount *)getSKPaymentDiscountFromMap:(NSDictionary *)map
     return nil;
   }
 
-  if (!timestamp || ![timestamp isKindOfClass:NSNumber.class] || [timestamp intValue] <= 0) {
+  if (!timestamp || ![timestamp isKindOfClass:NSNumber.class] || timestamp <= 0) {
     if (error) {
       *error = @"When specifying a payment discount the 'timestamp' field is mandatory.";
     }
diff --git a/packages/in_app_purchase/in_app_purchase_storekit/lib/src/in_app_purchase_storekit_platform.dart b/packages/in_app_purchase/in_app_purchase_storekit/lib/src/in_app_purchase_storekit_platform.dart
index f81b36699834..5117491fc661 100644
--- a/packages/in_app_purchase/in_app_purchase_storekit/lib/src/in_app_purchase_storekit_platform.dart
+++ b/packages/in_app_purchase/in_app_purchase_storekit/lib/src/in_app_purchase_storekit_platform.dart
@@ -81,6 +81,20 @@ class InAppPurchaseStoreKitPlatform extends InAppPurchasePlatform {
     return true; // There's no error feedback from iOS here to return.
   }
 
+  static Future<bool> buyNonConsumableWithDiscount(
+      {required PurchaseParam purchaseParam, SKPaymentDiscountWrapper? discount}) async {
+    await _skPaymentQueueWrapper.addPayment(SKPaymentWrapper(
+      productIdentifier: purchaseParam.productDetails.id,
+      quantity: purchaseParam is AppStorePurchaseParam ? purchaseParam.quantity : 1,
+      applicationUsername: purchaseParam.applicationUserName,
+      simulatesAskToBuyInSandbox: purchaseParam is AppStorePurchaseParam && purchaseParam.simulatesAskToBuyInSandbox,
+      requestData: null,
+      paymentDiscount: discount,
+    ));
+
+    return true; // There's no error feedback from iOS here to return.
+  }
+
   @override
   Future<bool> buyConsumable(
       {required PurchaseParam purchaseParam, bool autoConsume = true}) {
diff --git a/packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_wrappers/sk_payment_queue_wrapper.dart b/packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_wrappers/sk_payment_queue_wrapper.dart
index 70db7da2e275..d0caabeee2c9 100644
--- a/packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_wrappers/sk_payment_queue_wrapper.dart
+++ b/packages/in_app_purchase/in_app_purchase_storekit/lib/src/store_kit_wrappers/sk_payment_queue_wrapper.dart
@@ -405,7 +405,8 @@ class SKPaymentWrapper {
       'applicationUsername': applicationUsername,
       'requestData': requestData,
       'quantity': quantity,
-      'simulatesAskToBuyInSandbox': simulatesAskToBuyInSandbox
+      'simulatesAskToBuyInSandbox': simulatesAskToBuyInSandbox,
+      'paymentDiscount': paymentDiscount?.toMap(),
     };
   }