diff --git a/app/src/main/kotlin/jackall/overlaymulticounter/service/MainService.kt b/app/src/main/kotlin/jackall/overlaymulticounter/service/MainService.kt
index e3c885f..996fe17 100644
--- a/app/src/main/kotlin/jackall/overlaymulticounter/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/overlaymulticounter/service/MainService.kt
@@ -11,6 +11,7 @@
 import android.os.IBinder
 import android.support.v4.app.NotificationCompat
 import android.view.*
+import com.google.android.gms.ads.AdSize
 import jackall.overlaymulticounter.Const
 import jackall.overlaymulticounter.R
 import jackall.overlaymulticounter.activity.MainActivity
@@ -18,9 +19,11 @@
 import jackall.overlaymulticounter.common.PreferenceNames
 import jackall.overlaymulticounter.contract.MainServiceContract
 import jackall.overlaymulticounter.databinding.OverlayCounterBinding
+import jackall.overlaymulticounter.utils.AdUtil
 import jackall.overlaymulticounter.utils.MySharedPref
 import jackall.overlaymulticounter.viewmodel.OverlayCounterViewModel
 import jackall.overlaymulticounter.viewmodel.OverlayViewModel
+import kotlinx.android.synthetic.main.overlay_counter.view.*
 import kotlinx.android.synthetic.main.overlay_move.view.*
 
 /**
@@ -73,6 +76,7 @@
     }
 
     override fun showCounterView() {
+        AdUtil.startBannerAd(this, counterBinding.root.overlay_banner_frame, AdSize.BANNER, Const.overlayBannerUnitId)
         if (overlayMoveView.isShown) {
             windowManager.removeView(overlayMoveView)
         }
diff --git a/app/src/main/res/layout/overlay_counter.xml b/app/src/main/res/layout/overlay_counter.xml
index 8295796..235cec8 100644
--- a/app/src/main/res/layout/overlay_counter.xml
+++ b/app/src/main/res/layout/overlay_counter.xml
@@ -19,6 +19,14 @@
         android:background="#96ffffff"
         android:paddingTop="@dimen/status_bar_height">
 
+        <FrameLayout
+            android:id="@+id/overlay_banner_frame"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
         <LinearLayout
             android:id="@+id/overlay_button_layout"
             android:layout_width="match_parent"
@@ -27,7 +35,7 @@
             android:orientation="horizontal"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent">
+            app:layout_constraintTop_toBottomOf="@id/overlay_banner_frame">
 
             <ImageButton
                 android:id="@+id/overlay_counter_remove"