diff --git a/app/src/main/java/uk/org/openseizuredetector/SdData.java b/app/src/main/java/uk/org/openseizuredetector/SdData.java
index 3c422c7..0471060 100644
--- a/app/src/main/java/uk/org/openseizuredetector/SdData.java
+++ b/app/src/main/java/uk/org/openseizuredetector/SdData.java
@@ -38,6 +38,7 @@ public class SdData implements Parcelable {
     private final static String TAG = "SdData";
     private final static int N_RAW_DATA = 500;  // 5 seconds at 100 Hz.
     /* Analysis settings */
+    public String phoneAppVersion = "";
     public boolean haveSettings = false;   // flag to say if we have received settings or not.
     public boolean haveData = false; // flag to say we have received data.
     public short mDataUpdatePeriod;
@@ -252,6 +253,8 @@ public class SdData implements Parcelable {
             jsonObj.put("o2SatAlarmStanding", mO2SatAlarmStanding);
             jsonObj.put("o2SatThreshMin", mO2SatThreshMin);
             jsonObj.put("dataSourceName", dataSourceName);
+            Log.v(TAG,"phoneAppVersion="+phoneAppVersion);
+            jsonObj.put("phoneAppVersion", phoneAppVersion);
             jsonObj.put("watchPartNo", watchPartNo);
             jsonObj.put("watchSdName", watchSdName);
             jsonObj.put("watchFwVersion", watchFwVersion);
diff --git a/app/src/main/java/uk/org/openseizuredetector/SdServer.java b/app/src/main/java/uk/org/openseizuredetector/SdServer.java
index 1165f36..f1f131a 100644
--- a/app/src/main/java/uk/org/openseizuredetector/SdServer.java
+++ b/app/src/main/java/uk/org/openseizuredetector/SdServer.java
@@ -227,8 +227,9 @@ public class SdServer extends Service implements SdDataReceiver {
         Log.v(TAG, "onStartCommand() - calling updatePrefs()");
         updatePrefs();
 
-        Log.v(TAG, "onStartCommand: Datasource =" + mSdDataSourceName);
+        Log.v(TAG, "onStartCommand: Datasource =" + mSdDataSourceName + ", phoneAppVersion="+mUtil.getAppVersionName());
         mSdData.dataSourceName = mSdDataSourceName;
+        mSdData.phoneAppVersion = mUtil.getAppVersionName();
         switch (mSdDataSourceName) {
             case "Pebble":
                 Log.v(TAG, "Selecting Pebble DataSource");
@@ -760,6 +761,9 @@ public class SdServer extends Service implements SdDataReceiver {
             stopFaultTimer();
         }
         mSdData = sdData;
+        mSdData.dataSourceName = mSdDataSourceName;
+        mSdData.phoneAppVersion = mUtil.getAppVersionName();
+
         if (webServer != null) webServer.setSdData(mSdData);
         Log.v(TAG, "onSdDataReceived() - setting mSdData to " + mSdData.toString());
 
@@ -1332,7 +1336,6 @@ public class SdServer extends Service implements SdDataReceiver {
         /**
          * onSdLocationReceived - called with the best estimate location after mLocationReceiver times out.
          *
-         * @param ll - location (may be null if no location found)
          */
         private void sendSMS(String phoneNo, String msgStr) {
             Log.i(TAG, "sendSMS() - Sending to " + phoneNo);