diff --git a/packages/in_app_purchase/CHANGELOG.md b/packages/in_app_purchase/CHANGELOG.md
index 2a4d6a9e0960..940909b10d0d 100644
--- a/packages/in_app_purchase/CHANGELOG.md
+++ b/packages/in_app_purchase/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.2.1+5
+
+* Define clang module for iOS.
+
 ## 0.2.1+4
 
 * Update and migrate iOS example project.
diff --git a/packages/in_app_purchase/example/ios/Runner.xcodeproj/project.pbxproj b/packages/in_app_purchase/example/ios/Runner.xcodeproj/project.pbxproj
index 8ab33048c9a3..65c38e4c31b4 100644
--- a/packages/in_app_purchase/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/packages/in_app_purchase/example/ios/Runner.xcodeproj/project.pbxproj
@@ -24,6 +24,7 @@
 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
 		A5279298219369C600FF69E6 /* StoreKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A5279297219369C600FF69E6 /* StoreKit.framework */; };
 		A59001A721E69658004A3E5E /* InAppPurchasePluginTest.m in Sources */ = {isa = PBXBuildFile; fileRef = A59001A621E69658004A3E5E /* InAppPurchasePluginTest.m */; };
+		F78AF3142342BC89008449C7 /* PaymentQueueTest.m in Sources */ = {isa = PBXBuildFile; fileRef = F78AF3132342BC89008449C7 /* PaymentQueueTest.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -56,10 +57,10 @@
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
-		688DE35021F2A5A100EA2684 /* TranslatorTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = TranslatorTest.m; sourceTree = "<group>"; };
-		6896B34521E9363700D37AEF /* ProductRequestHandlerTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ProductRequestHandlerTest.m; sourceTree = "<group>"; };
-		6896B34A21EEB4B800D37AEF /* Stubs.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Stubs.h; sourceTree = "<group>"; };
-		6896B34B21EEB4B800D37AEF /* Stubs.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Stubs.m; sourceTree = "<group>"; };
+		688DE35021F2A5A100EA2684 /* TranslatorTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = TranslatorTest.m; path = ../../../ios/Tests/TranslatorTest.m; sourceTree = "<group>"; };
+		6896B34521E9363700D37AEF /* ProductRequestHandlerTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = ProductRequestHandlerTest.m; path = ../../../ios/Tests/ProductRequestHandlerTest.m; sourceTree = "<group>"; };
+		6896B34A21EEB4B800D37AEF /* Stubs.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = Stubs.h; path = ../../../ios/Tests/Stubs.h; sourceTree = "<group>"; };
+		6896B34B21EEB4B800D37AEF /* Stubs.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = Stubs.m; path = ../../../ios/Tests/Stubs.m; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
@@ -74,11 +75,12 @@
 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		A5279297219369C600FF69E6 /* StoreKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = StoreKit.framework; path = System/Library/Frameworks/StoreKit.framework; sourceTree = SDKROOT; };
 		A59001A421E69658004A3E5E /* in_app_purchase_pluginTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = in_app_purchase_pluginTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
-		A59001A621E69658004A3E5E /* InAppPurchasePluginTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = InAppPurchasePluginTest.m; sourceTree = "<group>"; };
+		A59001A621E69658004A3E5E /* InAppPurchasePluginTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; name = InAppPurchasePluginTest.m; path = ../../../ios/Tests/InAppPurchasePluginTest.m; sourceTree = "<group>"; };
 		A59001A821E69658004A3E5E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		B2AB6BE1D4E2232AB5D4A002 /* libPods-Runner.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Runner.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		BE95F46E12942F78BF67E55B /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
 		DE7EEEE26E27ACC04BA9951D /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
+		F78AF3132342BC89008449C7 /* PaymentQueueTest.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PaymentQueueTest.m; path = ../../../ios/Tests/PaymentQueueTest.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -175,6 +177,7 @@
 			children = (
 				A59001A621E69658004A3E5E /* InAppPurchasePluginTest.m */,
 				6896B34521E9363700D37AEF /* ProductRequestHandlerTest.m */,
+				F78AF3132342BC89008449C7 /* PaymentQueueTest.m */,
 				A59001A821E69658004A3E5E /* Info.plist */,
 				6896B34A21EEB4B800D37AEF /* Stubs.h */,
 				6896B34B21EEB4B800D37AEF /* Stubs.m */,
@@ -379,6 +382,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				F78AF3142342BC89008449C7 /* PaymentQueueTest.m in Sources */,
 				6896B34621E9363700D37AEF /* ProductRequestHandlerTest.m in Sources */,
 				688DE35121F2A5A100EA2684 /* TranslatorTest.m in Sources */,
 				A59001A721E69658004A3E5E /* InAppPurchasePluginTest.m in Sources */,
@@ -575,23 +579,18 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = in_app_purchase_pluginTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "sample.changme.in-app-purchase-pluginTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/Runner";
 			};
 			name = Debug;
@@ -601,22 +600,17 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = in_app_purchase_pluginTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "sample.changme.in-app-purchase-pluginTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/Runner";
 			};
 			name = Release;
diff --git a/packages/in_app_purchase/ios/Classes/FIAPReceiptManager.h b/packages/in_app_purchase/ios/Classes/FIAPReceiptManager.h
index 19ab4f105bab..c5b67756bad0 100644
--- a/packages/in_app_purchase/ios/Classes/FIAPReceiptManager.h
+++ b/packages/in_app_purchase/ios/Classes/FIAPReceiptManager.h
@@ -10,7 +10,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface FIAPReceiptManager : NSObject
 
-- (NSString *)retrieveReceiptWithError:(FlutterError *_Nullable *_Nullable)error;
+- (nullable NSString *)retrieveReceiptWithError:(FlutterError *_Nullable *_Nullable)error;
 
 @end
 
diff --git a/packages/in_app_purchase/ios/Classes/InAppPurchasePlugin.m b/packages/in_app_purchase/ios/Classes/InAppPurchasePlugin.m
index 9934cf8ef1be..eb158338a752 100644
--- a/packages/in_app_purchase/ios/Classes/InAppPurchasePlugin.m
+++ b/packages/in_app_purchase/ios/Classes/InAppPurchasePlugin.m
@@ -154,7 +154,7 @@ - (void)addPayment:(FlutterMethodCall *)call result:(FlutterResult)result {
     SKMutablePayment *payment = [SKMutablePayment paymentWithProduct:product];
     payment.applicationUsername = [paymentMap objectForKey:@"applicationUsername"];
     NSNumber *quantity = [paymentMap objectForKey:@"quantity"];
-    payment.quantity = quantity ? quantity.integerValue : 1;
+    payment.quantity = (quantity != nil) ? quantity.integerValue : 1;
     if (@available(iOS 8.3, *)) {
       payment.simulatesAskToBuyInSandbox =
           [[paymentMap objectForKey:@"simulatesAskToBuyInSandBox"] boolValue];
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/InAppPurchasePluginTest.m b/packages/in_app_purchase/ios/Tests/InAppPurchasePluginTest.m
similarity index 99%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/InAppPurchasePluginTest.m
rename to packages/in_app_purchase/ios/Tests/InAppPurchasePluginTest.m
index db7c1a88a4c8..e8a8885fdb84 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/InAppPurchasePluginTest.m
+++ b/packages/in_app_purchase/ios/Tests/InAppPurchasePluginTest.m
@@ -4,9 +4,10 @@
 
 #import <XCTest/XCTest.h>
 #import "FIAPaymentQueueHandler.h"
-#import "InAppPurchasePlugin.h"
 #import "Stubs.h"
 
+@import in_app_purchase;
+
 @interface InAppPurchasePluginTest : XCTestCase
 
 @property(strong, nonatomic) InAppPurchasePlugin* plugin;
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/PaymentQueueTest.m b/packages/in_app_purchase/ios/Tests/PaymentQueueTest.m
similarity index 97%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/PaymentQueueTest.m
rename to packages/in_app_purchase/ios/Tests/PaymentQueueTest.m
index d3935a19a43c..7c8f4fce9af9 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/PaymentQueueTest.m
+++ b/packages/in_app_purchase/ios/Tests/PaymentQueueTest.m
@@ -3,9 +3,10 @@
 // found in the LICENSE file.
 
 #import <XCTest/XCTest.h>
-#import "FIAPaymentQueueHandler.h"
 #import "Stubs.h"
 
+@import in_app_purchase;
+
 @interface PaymentQueueTest : XCTestCase
 
 @property(strong, nonatomic) NSDictionary *periodMap;
@@ -59,7 +60,6 @@ - (void)testTransactionPurchased {
         return YES;
       }
       updatedDownloads:nil];
-  handler.testing = YES;
   [queue addTransactionObserver:handler];
   SKPayment *payment =
       [SKPayment paymentWithProduct:[[SKProductStub alloc] initWithMap:self.productResponseMap]];
@@ -87,7 +87,6 @@ - (void)testTransactionFailed {
         return YES;
       }
       updatedDownloads:nil];
-  handler.testing = YES;
   [queue addTransactionObserver:handler];
   SKPayment *payment =
       [SKPayment paymentWithProduct:[[SKProductStub alloc] initWithMap:self.productResponseMap]];
@@ -115,7 +114,6 @@ - (void)testTransactionRestored {
         return YES;
       }
       updatedDownloads:nil];
-  handler.testing = YES;
   [queue addTransactionObserver:handler];
   SKPayment *payment =
       [SKPayment paymentWithProduct:[[SKProductStub alloc] initWithMap:self.productResponseMap]];
@@ -143,7 +141,6 @@ - (void)testTransactionPurchasing {
         return YES;
       }
       updatedDownloads:nil];
-  handler.testing = YES;
   [queue addTransactionObserver:handler];
   SKPayment *payment =
       [SKPayment paymentWithProduct:[[SKProductStub alloc] initWithMap:self.productResponseMap]];
@@ -171,7 +168,6 @@ - (void)testTransactionDeferred {
         return YES;
       }
       updatedDownloads:nil];
-  handler.testing = YES;
   [queue addTransactionObserver:handler];
   SKPayment *payment =
       [SKPayment paymentWithProduct:[[SKProductStub alloc] initWithMap:self.productResponseMap]];
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/ProductRequestHandlerTest.m b/packages/in_app_purchase/ios/Tests/ProductRequestHandlerTest.m
similarity index 99%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/ProductRequestHandlerTest.m
rename to packages/in_app_purchase/ios/Tests/ProductRequestHandlerTest.m
index 09228a3cd4e3..5e214e8c795e 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/ProductRequestHandlerTest.m
+++ b/packages/in_app_purchase/ios/Tests/ProductRequestHandlerTest.m
@@ -3,9 +3,10 @@
 // found in the LICENSE file.
 
 #import <XCTest/XCTest.h>
-#import "FIAPRequestHandler.h"
 #import "Stubs.h"
 
+@import in_app_purchase;
+
 #pragma tests start here
 
 @interface RequestHandlerTest : XCTestCase
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.h b/packages/in_app_purchase/ios/Tests/Stubs.h
similarity index 93%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.h
rename to packages/in_app_purchase/ios/Tests/Stubs.h
index 61d5fa36fa2f..a7d13958b347 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.h
+++ b/packages/in_app_purchase/ios/Tests/Stubs.h
@@ -4,15 +4,16 @@
 
 #import <Foundation/Foundation.h>
 #import <StoreKit/StoreKit.h>
-#import "FIAPReceiptManager.h"
-#import "FIAPRequestHandler.h"
-#import "InAppPurchasePlugin.h"
+
+@import in_app_purchase;
 
 NS_ASSUME_NONNULL_BEGIN
+API_AVAILABLE(ios(11.2), macos(10.13.2))
 @interface SKProductSubscriptionPeriodStub : SKProductSubscriptionPeriod
 - (instancetype)initWithMap:(NSDictionary *)map;
 @end
 
+API_AVAILABLE(ios(11.2), macos(10.13.2))
 @interface SKProductDiscountStub : SKProductDiscount
 - (instancetype)initWithMap:(NSDictionary *)map;
 @end
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.m b/packages/in_app_purchase/ios/Tests/Stubs.m
similarity index 92%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.m
rename to packages/in_app_purchase/ios/Tests/Stubs.m
index dc4998831441..a2c65b88adbe 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/Stubs.m
+++ b/packages/in_app_purchase/ios/Tests/Stubs.m
@@ -51,14 +51,16 @@ - (instancetype)initWithMap:(NSDictionary *)map {
     NSLocale *locale = NSLocale.systemLocale;
     [self setValue:locale ?: [NSNull null] forKey:@"priceLocale"];
     [self setValue:map[@"downloadContentLengths"] ?: @(0) forKey:@"downloadContentLengths"];
-    SKProductSubscriptionPeriodStub *period =
-        [[SKProductSubscriptionPeriodStub alloc] initWithMap:map[@"subscriptionPeriod"]];
-    [self setValue:period ?: [NSNull null] forKey:@"subscriptionPeriod"];
-    SKProductDiscountStub *discount =
-        [[SKProductDiscountStub alloc] initWithMap:map[@"introductoryPrice"]];
-    [self setValue:discount ?: [NSNull null] forKey:@"introductoryPrice"];
-    [self setValue:map[@"subscriptionGroupIdentifier"] ?: [NSNull null]
-            forKey:@"subscriptionGroupIdentifier"];
+    if (@available(iOS 11.2, *)) {
+      SKProductSubscriptionPeriodStub *period =
+          [[SKProductSubscriptionPeriodStub alloc] initWithMap:map[@"subscriptionPeriod"]];
+      [self setValue:period ?: [NSNull null] forKey:@"subscriptionPeriod"];
+      SKProductDiscountStub *discount =
+          [[SKProductDiscountStub alloc] initWithMap:map[@"introductoryPrice"]];
+      [self setValue:discount ?: [NSNull null] forKey:@"introductoryPrice"];
+      [self setValue:map[@"subscriptionGroupIdentifier"] ?: [NSNull null]
+              forKey:@"subscriptionGroupIdentifier"];
+    }
   }
   return self;
 }
diff --git a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/TranslatorTest.m b/packages/in_app_purchase/ios/Tests/TranslatorTest.m
similarity index 77%
rename from packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/TranslatorTest.m
rename to packages/in_app_purchase/ios/Tests/TranslatorTest.m
index 7d7fad5c2ce4..135c7f3616f4 100644
--- a/packages/in_app_purchase/example/ios/in_app_purchase_pluginTests/TranslatorTest.m
+++ b/packages/in_app_purchase/ios/Tests/TranslatorTest.m
@@ -3,14 +3,15 @@
 // found in the LICENSE file.
 
 #import <XCTest/XCTest.h>
-#import "FIAObjectTranslator.h"
 #import "Stubs.h"
 
+@import in_app_purchase;
+
 @interface TranslatorTest : XCTestCase
 
 @property(strong, nonatomic) NSDictionary *periodMap;
 @property(strong, nonatomic) NSDictionary *discountMap;
-@property(strong, nonatomic) NSDictionary *productMap;
+@property(strong, nonatomic) NSMutableDictionary *productMap;
 @property(strong, nonatomic) NSDictionary *productResponseMap;
 @property(strong, nonatomic) NSDictionary *paymentMap;
 @property(strong, nonatomic) NSDictionary *transactionMap;
@@ -30,16 +31,23 @@ - (void)setUp {
     @"subscriptionPeriod" : self.periodMap,
     @"paymentMode" : @1
   };
-  self.productMap = @{
+
+  self.productMap = [[NSMutableDictionary alloc] initWithDictionary:@{
     @"price" : @"1",
     @"priceLocale" : [FIAObjectTranslator getMapFromNSLocale:NSLocale.systemLocale],
     @"productIdentifier" : @"123",
     @"localizedTitle" : @"title",
     @"localizedDescription" : @"des",
-    @"subscriptionPeriod" : self.periodMap,
-    @"introductoryPrice" : self.discountMap,
-    @"subscriptionGroupIdentifier" : @"com.group"
-  };
+  }];
+  if (@available(iOS 11.2, *)) {
+    self.productMap[@"subscriptionPeriod"] = self.periodMap;
+    self.productMap[@"introductoryPrice"] = self.discountMap;
+  }
+
+  if (@available(iOS 12.0, *)) {
+    self.productMap[@"subscriptionGroupIdentifier"] = @"com.group";
+  }
+
   self.productResponseMap =
       @{@"products" : @[ self.productMap ], @"invalidProductIdentifiers" : @[]};
   self.paymentMap = @{
@@ -79,16 +87,20 @@ - (void)setUp {
 }
 
 - (void)testSKProductSubscriptionPeriodStubToMap {
-  SKProductSubscriptionPeriodStub *period =
-      [[SKProductSubscriptionPeriodStub alloc] initWithMap:self.periodMap];
-  NSDictionary *map = [FIAObjectTranslator getMapFromSKProductSubscriptionPeriod:period];
-  XCTAssertEqualObjects(map, self.periodMap);
+  if (@available(iOS 11.2, *)) {
+    SKProductSubscriptionPeriodStub *period =
+        [[SKProductSubscriptionPeriodStub alloc] initWithMap:self.periodMap];
+    NSDictionary *map = [FIAObjectTranslator getMapFromSKProductSubscriptionPeriod:period];
+    XCTAssertEqualObjects(map, self.periodMap);
+  }
 }
 
 - (void)testSKProductDiscountStubToMap {
-  SKProductDiscountStub *discount = [[SKProductDiscountStub alloc] initWithMap:self.discountMap];
-  NSDictionary *map = [FIAObjectTranslator getMapFromSKProductDiscount:discount];
-  XCTAssertEqualObjects(map, self.discountMap);
+  if (@available(iOS 11.2, *)) {
+    SKProductDiscountStub *discount = [[SKProductDiscountStub alloc] initWithMap:self.discountMap];
+    NSDictionary *map = [FIAObjectTranslator getMapFromSKProductDiscount:discount];
+    XCTAssertEqualObjects(map, self.discountMap);
+  }
 }
 
 - (void)testProductToMap {
@@ -125,9 +137,11 @@ - (void)testError {
 }
 
 - (void)testLocaleToMap {
-  NSLocale *system = NSLocale.systemLocale;
-  NSDictionary *map = [FIAObjectTranslator getMapFromNSLocale:system];
-  XCTAssertEqualObjects(map[@"currencySymbol"], system.currencySymbol);
+  if (@available(iOS 10.0, *)) {
+    NSLocale *system = NSLocale.systemLocale;
+    NSDictionary *map = [FIAObjectTranslator getMapFromNSLocale:system];
+    XCTAssertEqualObjects(map[@"currencySymbol"], system.currencySymbol);
+  }
 }
 
 @end
diff --git a/packages/in_app_purchase/ios/in_app_purchase.podspec b/packages/in_app_purchase/ios/in_app_purchase.podspec
index 1f30bb16949a..8b393d71a771 100644
--- a/packages/in_app_purchase/ios/in_app_purchase.podspec
+++ b/packages/in_app_purchase/ios/in_app_purchase.podspec
@@ -15,7 +15,10 @@ A new flutter plugin project.
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
-  
-  s.ios.deployment_target = '8.0'
-end
+  s.platform = :ios, '8.0'
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS' => 'armv7 arm64 x86_64' }
 
+  s.test_spec 'Tests' do |test_spec|
+    test_spec.source_files = 'Tests/**/*'
+  end
+end
diff --git a/packages/in_app_purchase/pubspec.yaml b/packages/in_app_purchase/pubspec.yaml
index a53d74c0f2b9..cf59c4b4ef71 100644
--- a/packages/in_app_purchase/pubspec.yaml
+++ b/packages/in_app_purchase/pubspec.yaml
@@ -2,7 +2,7 @@ name: in_app_purchase
 description: A Flutter plugin for in-app purchases. Exposes APIs for making in-app purchases through the App Store and Google Play.
 author:  Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/in_app_purchase
-version: 0.2.1+4
+version: 0.2.1+5
 
 
 dependencies:
diff --git a/script/lint_darwin_plugins.sh b/script/lint_darwin_plugins.sh
index 5e5d018c391c..39794882ef4a 100755
--- a/script/lint_darwin_plugins.sh
+++ b/script/lint_darwin_plugins.sh
@@ -53,7 +53,6 @@ function lint_packages() {
     'google_maps_flutter'
     'google_sign_in'
     'image_picker'
-    'in_app_purchase'
     'instrumentation_adapter'
     'local_auth'
     'package_info'