diff --git a/firebase_admin/project_management.py b/firebase_admin/project_management.py
index 74696dfb..0c9eb637 100644
--- a/firebase_admin/project_management.py
+++ b/firebase_admin/project_management.py
@@ -101,18 +101,20 @@ def create_android_app(package_name, display_name=None, app=None):
     return _get_project_management_service(app).create_android_app(package_name, display_name)
 
 
-def create_ios_app(bundle_id, display_name=None, app=None):
+def create_ios_app(bundle_id, display_name=None, app=None, app_store_id=None):
     """Creates a new iOS app in the associated Firebase project.
 
     Args:
         bundle_id: The bundle ID of the iOS app to be created.
         display_name: A nickname for this iOS app (optional).
         app: An App instance (optional).
+        app_store_id: The Apple App Store ID of this iOS app (optional).
 
     Returns:
         IOSApp: An ``IOSApp`` instance that is a reference to the newly created app.
     """
-    return _get_project_management_service(app).create_ios_app(bundle_id, display_name)
+    return _get_project_management_service(app).create_ios_app(
+        bundle_id, display_name, app_store_id)
 
 
 def _check_is_string_or_none(obj, field_name):
@@ -569,13 +571,14 @@ def create_android_app(self, package_name, display_name=None):
             display_name=display_name,
             app_class=AndroidApp)
 
-    def create_ios_app(self, bundle_id, display_name=None):
+    def create_ios_app(self, bundle_id, display_name=None, app_store_id=None):
         return self._create_app(
             platform_resource_name=_ProjectManagementService.IOS_APPS_RESOURCE_NAME,
             identifier_name=_ProjectManagementService.IOS_APP_IDENTIFIER_NAME,
             identifier=bundle_id,
             display_name=display_name,
-            app_class=IOSApp)
+            app_class=IOSApp,
+            app_store_id=app_store_id)
 
     def _create_app(
             self,
@@ -583,13 +586,17 @@ def _create_app(
             identifier_name,
             identifier,
             display_name,
-            app_class):
+            app_class,
+            app_store_id=None):
         """Creates an Android or iOS app."""
         _check_is_string_or_none(display_name, 'display_name')
+        _check_is_nonempty_string_or_none(app_store_id, 'app_store_id')
         path = f'/v1beta1/projects/{self._project_id}/{platform_resource_name}'
         request_body = {identifier_name: identifier}
         if display_name:
             request_body['displayName'] = display_name
+        if app_store_id:
+            request_body['appStoreId'] = app_store_id
         response = self._make_request('post', path, json=request_body)
         operation_name = response['name']
         poll_response = self._poll_app_creation(operation_name)
diff --git a/tests/test_project_management.py b/tests/test_project_management.py
index 0536c291..9b0c32bc 100644
--- a/tests/test_project_management.py
+++ b/tests/test_project_management.py
@@ -721,6 +721,45 @@ def test_create_ios_app(self):
         self._assert_request_is_correct(
             recorder[2], 'GET', 'https://firebase.googleapis.com/v1/operations/abcdefg')
 
+    def test_create_ios_app_with_app_store_id(self):
+        recorder = self._instrument_service(
+            statuses=[200, 200, 200],
+            responses=[
+                OPERATION_IN_PROGRESS_RESPONSE,  # Request to create iOS app asynchronously.
+                OPERATION_IN_PROGRESS_RESPONSE,  # Creation operation is still not done.
+                IOS_APP_OPERATION_SUCCESSFUL_RESPONSE,  # Creation operation completed.
+            ])
+
+        ios_app = project_management.create_ios_app(
+            bundle_id='com.hello.world.ios',
+            display_name='My iOS App',
+            app_store_id='123456789')
+
+        assert ios_app.app_id == '1:12345678:ios:ca5cade5'
+        assert len(recorder) == 3
+        body = {
+            'bundleId': 'com.hello.world.ios',
+            'displayName': 'My iOS App',
+            'appStoreId': '123456789',
+        }
+        self._assert_request_is_correct(recorder[0], 'POST', TestCreateIOSApp._CREATION_URL, body)
+        self._assert_request_is_correct(
+            recorder[1], 'GET', 'https://firebase.googleapis.com/v1/operations/abcdefg')
+        self._assert_request_is_correct(
+            recorder[2], 'GET', 'https://firebase.googleapis.com/v1/operations/abcdefg')
+
+    @pytest.mark.parametrize('app_store_id', ['', 12345, ['123'], {'id': '123'}, True])
+    def test_create_ios_app_invalid_app_store_id(self, app_store_id):
+        recorder = self._instrument_service(statuses=[], responses=[])
+
+        with pytest.raises(ValueError) as excinfo:
+            project_management.create_ios_app(
+                bundle_id='com.hello.world.ios',
+                app_store_id=app_store_id)
+
+        assert str(excinfo.value) == 'app_store_id must be a non-empty string.'
+        assert len(recorder) == 0
+
     def test_create_ios_app_already_exists(self):
         recorder = self._instrument_service(statuses=[409], responses=[ALREADY_EXISTS_RESPONSE])