diff --git a/app/src/main/res/menu/activity_main_drawer.xml b/app/src/main/res/menu/activity_main_drawer.xml
index eb625ff..004822f 100644
--- a/app/src/main/res/menu/activity_main_drawer.xml
+++ b/app/src/main/res/menu/activity_main_drawer.xml
@@ -7,6 +7,11 @@
             android:icon="@drawable/ic_local_dining"
             android:title="@string/canteen_plan"
             android:orderInCategory="200" />
+        <item
+            android:id="@+id/nav_settings"
+            android:icon="@drawable/ic_settings"
+            android:title="@string/settings"
+            android:orderInCategory="300"/>
         <item
             android:id="@+id/nav_news"
             android:icon="@drawable/ic_chat_bubble_outline"
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 64f53fa..9bbb4fb 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -109,4 +109,6 @@
     <string name="event_removed">Event entfernt: %1$s</string>
     <string name="gradebook_removed">Noteneintrag entfernt: %1$s</string>
     <string name="resource_removed">Ressource entfernt: %1$s</string>
+    <string name="pref_external_server_title">Effizientes Aktualisieren</string>
+    <string name="pref_external_server_summary">Spart mobile Daten und Akku, verwendet jedoch externen Server zur Sychronisierung.</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/preferences.xml b/app/src/main/res/values/preferences.xml
index d1535fd..c30baf3 100644
--- a/app/src/main/res/values/preferences.xml
+++ b/app/src/main/res/values/preferences.xml
@@ -10,4 +10,12 @@
     <string name="pref_last_visited_news" translatable="false">pref_last_visited_news</string>
 
     <string name="pref_set_auto_sync_on_startup" translatable="false">pref_set_auto_sync_on_startup</string>
+
+
+    <string-array name="pref_external_server" translatable="false">
+        <item>@string/pref_external_server</item>
+        <item>@string/pref_external_server_default</item>
+    </string-array>
+    <string name="pref_external_server" translatable="false">pref_external_server</string>
+    <string name="pref_external_server_default" translatable="false">all</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 40b35d6..ca4fb9e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -50,6 +50,8 @@
     <string name="pref_price_group_title">Canteen Price Group</string>
     <string name="pref_price_group_summary">Only show specific price category</string>
     <string name="pref_price_group_dialog">Price Group Selection</string>
+    <string name="pref_external_server_title">More efficient data sync</string>
+    <string name="pref_external_server_summary">Uses more battery and data efficient syncing and refreshing, but use an external server.</string>
     <string name="meals">Meals</string>
     <string name="special_meals">Special meals</string>
     <string name="side_dishes">Side Dishes</string>
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 64392eb..541952b 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -9,6 +9,11 @@
         android:entries="@array/pref_price_group_entries"
         android:entryValues="@array/pref_price_group_values"
         android:dialogTitle="@string/pref_price_group_dialog" />
+    <SwitchPreference
+        android:key="@string/pref_external_server"
+        android:defaultValue="@string/pref_external_server_default"
+        android:title="@string/pref_external_server_title"
+        android:summary="@string/pref_external_server_summary" />
     <PreferenceScreen
         android:title="@string/open_data_policy"
         android:summary="@string/open_data_policy_summary">