diff --git a/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPDedupeProcessor.swift b/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPDedupeProcessor.swift
index aadbca8a9..30d0a8125 100644
--- a/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPDedupeProcessor.swift
+++ b/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPDedupeProcessor.swift
@@ -291,6 +291,17 @@ extension IAPDedupeProcessor {
 
 extension IAPDedupeProcessor {
   private func dedupTimerFired() {
+    if #available(iOS 15.0, *) {
+      Task {
+        await IAPTransactionObserver.shared.observeNewTransactions()
+        executeDedupTimerFired()
+      }
+    } else {
+      executeDedupTimerFired()
+    }
+  }
+
+  private func executeDedupTimerFired() {
     timer?.invalidate()
     timer = nil
     var implicitEvents = synchronizedImplicitEvents
diff --git a/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPEventResolver.swift b/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPEventResolver.swift
index 68b6e90f2..92e017fc4 100644
--- a/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPEventResolver.swift
+++ b/FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/IAP/IAPEventResolver.swift
@@ -147,9 +147,11 @@ extension IAPEventResolver {
     eventName: AppEvents.Name
   ) -> IAPEvent? {
     let transaction = iapTransaction?.transaction
-    var currency = transaction?.currencyCode
+    var currency: String?
     if #available(iOS 16.0, *) {
       currency = transaction?.currency?.identifier
+    } else {
+      currency = transaction?.currencyCode
     }
     let introOffer = product.subscription?.introductoryOffer
     let hasIntroductoryOffer = introOffer != nil
diff --git a/FBSDKCoreKit/FBSDKCoreKitTests/Internal/AppEvents/IAP/IAPTests/IAPDedupeProcessorTests.swift b/FBSDKCoreKit/FBSDKCoreKitTests/Internal/AppEvents/IAP/IAPTests/IAPDedupeProcessorTests.swift
index ea21aaaaa..8d1597f11 100644
--- a/FBSDKCoreKit/FBSDKCoreKitTests/Internal/AppEvents/IAP/IAPTests/IAPDedupeProcessorTests.swift
+++ b/FBSDKCoreKit/FBSDKCoreKitTests/Internal/AppEvents/IAP/IAPTests/IAPDedupeProcessorTests.swift
@@ -608,13 +608,13 @@ extension IAPDedupeProcessorTests {
   func testDedupWithDuplicatePurchaseEvents() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.nonConsumableProduct1.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
     dedupeProcessor.processManualEvent(
       .purchased,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
         AppEvents.ParameterName.contentID: productID,
@@ -642,13 +642,13 @@ extension IAPDedupeProcessorTests {
   func testDedupWithDuplicateSubscribeEvents() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.autoRenewingSubscription1.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
     dedupeProcessor.processManualEvent(
       .subscribe,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
         AppEvents.ParameterName.contentID: productID,
@@ -676,13 +676,13 @@ extension IAPDedupeProcessorTests {
   func testDedupWithDuplicateStartTrialEvents() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.autoRenewingSubscription2.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
     dedupeProcessor.processManualEvent(
       .startTrial,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
         AppEvents.ParameterName.contentID: productID,
@@ -710,13 +710,13 @@ extension IAPDedupeProcessorTests {
   func testDedupWithDuplicatePurchaseEventsTestDedupConfig() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.nonConsumableProduct1.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
     dedupeProcessor.processManualEvent(
       .purchased,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
         AppEvents.ParameterName.contentID: productID,
@@ -745,13 +745,13 @@ extension IAPDedupeProcessorTests {
   func testDedupWithNonDuplicatePurchaseEvents() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.nonConsumableProduct1.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
     dedupeProcessor.processManualEvent(
       .purchased,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
       ],
@@ -777,7 +777,7 @@ extension IAPDedupeProcessorTests {
   func testSeveralManualAndImplicitEventsWithSomeDuplicatesAndSomeNonDuplicates() async {
     dedupeProcessor.enable()
     let productID = Self.ProductIdentifiers.nonConsumableProduct1.rawValue
-    guard let (iapTransaction, _) =
+    guard let (iapTransaction, product) =
       await executeTransactionFor(productID) else {
       return
     }
@@ -788,7 +788,7 @@ extension IAPDedupeProcessorTests {
     }
     dedupeProcessor.processManualEvent(
       .purchased,
-      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? 0,
+      valueToSum: iapTransaction.transaction.price?.currencyNumber ?? product.price.currencyNumber,
       parameters: [
         AppEvents.ParameterName.currency: "USD",
         AppEvents.ParameterName.contentID: productID,