diff --git a/postixdroid/app/src/main/java/de/ccc/events/postixdroid/ui/MainActivity.java b/postixdroid/app/src/main/java/de/ccc/events/postixdroid/ui/MainActivity.java
index 1aba83b..928c3dd 100644
--- a/postixdroid/app/src/main/java/de/ccc/events/postixdroid/ui/MainActivity.java
+++ b/postixdroid/app/src/main/java/de/ccc/events/postixdroid/ui/MainActivity.java
@@ -64,12 +64,21 @@ public enum State {
     private String lastScanCode;
     private State state = State.SCANNING;
     private Handler timeoutHandler;
+    private Handler timerHandler;
+    private long timerStart;
     private MediaPlayer mediaPlayer;
     private TicketCheckProvider checkProvider;
     private AppConfig config;
     private DataWedgeHelper dataWedgeHelper;
     private AlertDialog dialog;
 
+    Runnable timerUpdate = new Runnable() {
+        @Override
+        public void run() {
+            updateTimer(true);
+        }
+    };
+
     private JSONObject options;
     private String last_secret;
 
@@ -102,6 +111,7 @@ public void onCreate(Bundle savedInstanceState) {
         mediaPlayer = buildMediaPlayer(this);
 
         timeoutHandler = new Handler();
+        timerHandler = new Handler();
 
         resetView();
 
@@ -123,6 +133,7 @@ public void onCreate(Bundle savedInstanceState) {
                 }
             }
         }
+        timerHandler.postDelayed(timerUpdate, 100);
     }
 
 
@@ -248,6 +259,7 @@ private void handleTicketScanned(String s) {
         options = new JSONObject();
         state = State.LOADING;
         findViewById(R.id.tvScanResult).setVisibility(View.GONE);
+        findViewById(R.id.tvTimer).setVisibility(View.GONE);
         findViewById(R.id.pbScan).setVisibility(View.VISIBLE);
         new CheckTask().execute(s);
     }
@@ -256,6 +268,7 @@ private void resetView() {
         TextView tvScanResult = (TextView) findViewById(R.id.tvScanResult);
         timeoutHandler.removeCallbacksAndMessages(null);
         tvScanResult.setVisibility(View.VISIBLE);
+        findViewById(R.id.tvTimer).setVisibility(View.GONE);
         ((TextView) findViewById(R.id.tvScanResult)).setText("");
         findViewById(R.id.rlScanStatus).setBackgroundColor(
                 ContextCompat.getColor(this, R.color.scan_result_unknown));
@@ -290,9 +303,19 @@ protected void onPostExecute(TicketCheckProvider.CheckResult checkResult) {
         }
     }
 
+    private void updateTimer(boolean repeat) {
+        ((TextView) findViewById(R.id.tvTimer)).setText(String.valueOf(Math.round((System.currentTimeMillis() - timerStart) / 1000)));
+        if (repeat) {
+            timerHandler.postDelayed(timerUpdate, 500);
+        }
+    }
+
     private void displayScanResult(TicketCheckProvider.CheckResult checkResult) {
+        TextView tvScanResult = findViewById(R.id.tvScanResult);
+        timerStart = System.currentTimeMillis();
+        updateTimer(false);
+        findViewById(R.id.tvTimer).setVisibility(View.VISIBLE);
 
-        TextView tvScanResult = (TextView) findViewById(R.id.tvScanResult);
 
         state = State.RESULT;
         findViewById(R.id.pbScan).setVisibility(View.INVISIBLE);
diff --git a/postixdroid/app/src/main/res/layout/activity_main.xml b/postixdroid/app/src/main/res/layout/activity_main.xml
index 82ab32b..778d8d7 100644
--- a/postixdroid/app/src/main/res/layout/activity_main.xml
+++ b/postixdroid/app/src/main/res/layout/activity_main.xml
@@ -7,7 +7,7 @@
     <RelativeLayout
         android:id="@+id/rlScanStatus"
         android:layout_width="match_parent"
-        android:layout_height="140dp"
+        android:layout_height="180dp"
         android:layout_alignParentTop="true"
         android:layout_centerHorizontal="true"
         android:layout_centerVertical="true"
@@ -29,11 +29,21 @@
             android:id="@+id/tvScanResult"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_alignParentTop="true"
             android:layout_centerHorizontal="true"
+            android:layout_below="@id/tvTimer"
             android:gravity="center_horizontal"
             android:textAppearance="?android:attr/textAppearanceLarge"
             android:visibility="invisible" />
+
+        <TextView
+            android:id="@+id/tvTimer"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:layout_centerHorizontal="true"
+            android:gravity="center_horizontal"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:visibility="invisible" />
     </RelativeLayout>
 
     <de.ccc.events.postixdroid.ui.CustomizedScannerView