diff --git a/app/src/main/java/eu/faircode/netguard/ActivityMain.java b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
index 164dc84b..63555db4 100644
--- a/app/src/main/java/eu/faircode/netguard/ActivityMain.java
+++ b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
@@ -678,7 +678,6 @@ public class ActivityMain extends AppCompatActivity implements SharedPreferences
         dialogAbout.show();
     }
 
-
     private static Intent getIntentInvite(Context context) {
         Intent intent = new Intent("com.google.android.gms.appinvite.ACTION_APP_INVITE");
         intent.setPackage("com.google.android.gms");
diff --git a/app/src/main/java/eu/faircode/netguard/ActivitySettings.java b/app/src/main/java/eu/faircode/netguard/ActivitySettings.java
index 5846eb6d..e07842c1 100644
--- a/app/src/main/java/eu/faircode/netguard/ActivitySettings.java
+++ b/app/src/main/java/eu/faircode/netguard/ActivitySettings.java
@@ -21,8 +21,10 @@ package eu.faircode.netguard;
 
 import android.Manifest;
 import android.annotation.TargetApi;
+import android.app.AlertDialog;
 import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
@@ -49,6 +51,8 @@ import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Xml;
+import android.view.LayoutInflater;
+import android.view.View;
 import android.widget.Toast;
 
 import org.xml.sax.Attributes;
@@ -345,6 +349,22 @@ public class ActivitySettings extends AppCompatActivity implements SharedPrefere
             // TODO pro feature
             SinkholeService.reload(null, "setting changed", this);
 
+            // Show dialog
+            if (prefs.getBoolean(name, false)) {
+                LayoutInflater inflater = LayoutInflater.from(ActivitySettings.this);
+                View view = inflater.inflate(R.layout.filter, null);
+                new AlertDialog.Builder(ActivitySettings.this)
+                        .setView(view)
+                        .setCancelable(false)
+                        .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+                                // Do nothing
+                            }
+                        })
+                        .create().show();
+            }
+
         } else if ("auto_enable".equals(name))
             getPreferenceScreen().findPreference(name).setTitle(getString(R.string.setting_auto, prefs.getString(name, "0")));
 
diff --git a/app/src/main/res/layout/filter.xml b/app/src/main/res/layout/filter.xml
new file mode 100644
index 00000000..ed198a06
--- /dev/null
+++ b/app/src/main/res/layout/filter.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:paddingBottom="16dp"
+    android:paddingEnd="16dp"
+    android:paddingStart="16dp"
+    android:paddingTop="16dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@mipmap/ic_launcher" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="8dp"
+            android:text="@string/app_name"
+            android:textAppearance="@android:style/TextAppearance.Material.Large"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/msg_filter"
+                android:textAppearance="@android:style/TextAppearance.Material.Medium" />
+        </LinearLayout>
+    </ScrollView>
+</LinearLayout>
\ 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 334b3f0e..79a8690f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -98,6 +98,7 @@ Since NetGuard has no internet permission, you know your internet traffic is not
     <string name="msg_mbday">&#177; %1$.3f&#9650; %2$.3f&#9660; MB/day</string>
     <string name="msg_kbsec">%7.3f KB/s</string>
     <string name="msg_mbsec">%7.3f MB/s</string>
+    <string name="msg_filter">Filtering will let Android account data usage and related battery usage of applications to NetGuard</string>
 
     <string name="title_screen_wifi">Allow Wi-Fi when screen is on</string>
     <string name="title_screen_other">Allow mobile when screen is on</string>