diff --git a/src/nav/AppNavigator.js b/src/nav/AppNavigator.js
index 5a6ed9adfc3..7d395ecb208 100644
--- a/src/nav/AppNavigator.js
+++ b/src/nav/AppNavigator.js
@@ -1,5 +1,6 @@
 /* @flow strict-local */
-import { createStackNavigator } from 'react-navigation-stack';
+import { Platform } from 'react-native';
+import { createStackNavigator, TransitionPresets } from 'react-navigation-stack';
 
 import AccountPickScreen from '../account/AccountPickScreen';
 import RealmScreen from '../start/RealmScreen';
@@ -69,6 +70,12 @@ export default createStackNavigator(
     sharing: { screen: SharingScreen },
   },
   {
+    defaultNavigationOptions: {
+      ...Platform.select({
+        android: TransitionPresets.FadeFromBottomAndroid,
+        ios: TransitionPresets.SlideFromRightIOS,
+      }),
+    },
     initialRouteName: 'main',
     headerMode: 'none',
   },