diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index c5a656d15d..dcaeb52da8 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for react-native 0.43
+// Type definitions for react-native 0.44
 // Project: https://github.com/facebook/react-native
 // Definitions by: Eloy Durán <https://github.com/alloy>, Fedor Nezhivoi <https://github.com/gyzerok>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -5097,6 +5097,11 @@ export interface TabBarItemProperties extends ViewProperties {
      */
     badge?: string | number
 
+    /**
+     * Background color for the badge. Available since iOS 10.
+     */
+    badgeColor?: string
+
     /**
      * A custom icon for the tab. It is ignored when a system icon is defined.
      */
@@ -5182,6 +5187,11 @@ export interface TabBarIOSProperties extends ViewProperties {
      * Color of text on unselected tabs
      */
     unselectedTintColor?: string
+
+    /**
+     * Color of unselected tab icons. Available since iOS 10.
+     */
+    unselectedItemTintColor?: string
 }
 
 export interface TabBarIOSStatic extends React.ComponentClass<TabBarIOSProperties> {
@@ -5783,7 +5793,7 @@ export interface ScrollViewPropertiesIOS {
      * This can be used for paginating through children that have lengths smaller than the scroll view.
      * Used in combination with snapToAlignment.
      */
-    snapToInterval?: number[]
+    snapToInterval?: number
 
     /**
      * An array of child indices determining which children get docked to the
diff --git a/types/react-native/test/index.tsx b/types/react-native/test/index.tsx
index 62e925575b..3d7ddeac07 100644
--- a/types/react-native/test/index.tsx
+++ b/types/react-native/test/index.tsx
@@ -34,6 +34,7 @@ import {
     ScrollView,
     ScrollViewProps,
     RefreshControl,
+    TabBarIOS,
 } from 'react-native';
 
 function testDimensions() {
@@ -255,3 +256,30 @@ class ScrollerListComponentTest extends React.Component<{}, { dataSource: ListVi
         )
     }
 }
+
+
+class TabBarTest extends React.Component<{}, {}> {
+    render() {
+        return (
+            <TabBarIOS
+                barTintColor="darkslateblue"
+                itemPositioning="center"
+                tintColor="white"
+                translucent={ true }
+                unselectedTintColor="black"
+                unselectedItemTintColor="red">
+                <TabBarIOS.Item
+                    badge={ 0 }
+                    badgeColor="red"
+                    icon={{uri: undefined}}
+                    selected={ true }
+                    onPress={() => {}}
+                    renderAsOriginal={ true }
+                    selectedIcon={ undefined }
+                    systemIcon="history"
+                    title="Item 1">
+                </TabBarIOS.Item>
+            </TabBarIOS>
+        );
+    }
+}