diff --git a/src/main/java/fr/unix_experience/owncloud_sms/activities/MainActivity.java b/src/main/java/fr/unix_experience/owncloud_sms/activities/MainActivity.java
index 05aa9ec..8141143 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/activities/MainActivity.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/activities/MainActivity.java
@@ -54,6 +54,7 @@ import fr.unix_experience.owncloud_sms.engine.ConnectivityMonitor;
 import fr.unix_experience.owncloud_sms.enums.OCSMSNotificationType;
 import fr.unix_experience.owncloud_sms.enums.PermissionID;
 import fr.unix_experience.owncloud_sms.notifications.OCSMSNotificationUI;
+import fr.unix_experience.owncloud_sms.prefs.OCSMSSharedPrefs;
 import fr.unix_experience.owncloud_sms.prefs.PermissionChecker;
 
 import static fr.unix_experience.owncloud_sms.enums.PermissionID.REQUEST_MAX;
@@ -204,21 +205,27 @@ public class MainActivity extends AppCompatActivity
 		}
 
 		Context ctx = getApplicationContext();
-		if (_ConnectivityMonitor.isValid()) {
-			// Now fetch messages since last stored date
-			JSONArray smsList = new JSONArray();
-			new AndroidSmsFetcher(ctx).bufferMessagesSinceDate(smsList, (long) 0);
-
-			if (smsList.length() > 0) {
-				OCSMSNotificationUI.notify(ctx, ctx.getString(R.string.sync_title),
-						ctx.getString(R.string.sync_inprogress), OCSMSNotificationType.SYNC.ordinal());
-				new SyncTask(getApplicationContext(), smsList).execute();
-			} else {
-				Toast.makeText(ctx, ctx.getString(R.string.nothing_to_sync), Toast.LENGTH_SHORT).show();
-			}
-		} else {
+		if (!_ConnectivityMonitor.isValid()) {
 			Toast.makeText(ctx, ctx.getString(R.string.err_sync_no_connection_available), Toast.LENGTH_SHORT).show();
+			Log.v(MainActivity.TAG, "Finish syncAllMessages(): invalid connection");
+			return;
 		}
+
+		// Now fetch messages since last stored date
+		JSONArray smsList = new JSONArray();
+		new AndroidSmsFetcher(ctx).bufferMessagesSinceDate(smsList, (long) 0);
+
+		if (smsList.length() == 0) {
+			Toast.makeText(ctx, ctx.getString(R.string.nothing_to_sync), Toast.LENGTH_SHORT).show();
+			Log.v(MainActivity.TAG, "Finish syncAllMessages(): no sms");
+			return;
+		}
+
+		if (new OCSMSSharedPrefs(this).showSyncNotifications()) {
+			OCSMSNotificationUI.notify(ctx, ctx.getString(R.string.sync_title),
+					ctx.getString(R.string.sync_inprogress), OCSMSNotificationType.SYNC.ordinal());
+		}
+		new SyncTask(getApplicationContext(), smsList).execute();
 		Log.v(MainActivity.TAG, "Finish syncAllMessages()");
 	}
 
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/activities/OCSMSSettingsActivity.java b/src/main/java/fr/unix_experience/owncloud_sms/activities/OCSMSSettingsActivity.java
index 0bb8ae0..eafaed7 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/activities/OCSMSSettingsActivity.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/activities/OCSMSSettingsActivity.java
@@ -77,6 +77,7 @@ public class OCSMSSettingsActivity extends VirtualSettingsActivity {
 
 		// Bind our boolean preferences
 		VirtualSettingsActivity._boolPrefs.add(new BindObjectPref("push_on_receive", DefaultPrefs.pushOnReceive));
+		VirtualSettingsActivity._boolPrefs.add(new BindObjectPref("show_sync_notifications", DefaultPrefs.showSyncNotifications));
 		VirtualSettingsActivity._boolPrefs.add(new BindObjectPref("sync_wifi", DefaultPrefs.syncWifi));
 		VirtualSettingsActivity._boolPrefs.add(new BindObjectPref("sync_4g", DefaultPrefs.sync4G));
 		VirtualSettingsActivity._boolPrefs.add(new BindObjectPref("sync_3g", DefaultPrefs.sync3G));
@@ -95,7 +96,7 @@ public class OCSMSSettingsActivity extends VirtualSettingsActivity {
 
 	protected void handleCheckboxPreference(String key, Boolean value) {
 		// Network types allowed for sync
-		if ("push_on_receive".equals(key) ||
+		if ("push_on_receive".equals(key) || "show_sync_notifications".equals(key) ||
 				"sync_wifi".equals(key) || "sync_2g".equals(key) ||
 				"sync_3g".equals(key) || "sync_gprs".equals(key) ||
 				"sync_4g".equals(key) || "sync_others".equals(key)) {
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java b/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
index 5c5cb55..a17e7a4 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
@@ -4,6 +4,7 @@ public class DefaultPrefs {
 	public final static Integer syncInterval = 15;
     public final static Integer minimumCharsForSync = 0;
 	public final static Boolean pushOnReceive = true;
+	public final static Boolean showSyncNotifications = true;
 
 	public final static Boolean syncWifi = true;
 	public final static Boolean sync2G = true;
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java b/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
index 263a255..dfecc0e 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
@@ -43,6 +43,10 @@ public class OCSMSSharedPrefs extends SharedPrefs {
 		return _sPrefs.getBoolean("push_on_receive", DefaultPrefs.pushOnReceive);
 	}
 
+	public Boolean showSyncNotifications() {
+		return _sPrefs.getBoolean("show_sync_notifications", DefaultPrefs.showSyncNotifications);
+	}
+
 	public Boolean syncInWifi() {
 		return _sPrefs.getBoolean("sync_wifi", DefaultPrefs.syncWifi);
 	}
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java b/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
index 953faa4..b7116a9 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/sync_adapters/SmsSyncAdapter.java
@@ -31,6 +31,7 @@ import fr.unix_experience.owncloud_sms.enums.OCSMSNotificationType;
 import fr.unix_experience.owncloud_sms.enums.OCSyncErrorType;
 import fr.unix_experience.owncloud_sms.exceptions.OCSyncException;
 import fr.unix_experience.owncloud_sms.notifications.OCSMSNotificationUI;
+import fr.unix_experience.owncloud_sms.prefs.OCSMSSharedPrefs;
 
 class SmsSyncAdapter extends AbstractThreadedSyncAdapter {
 
@@ -41,8 +42,11 @@ class SmsSyncAdapter extends AbstractThreadedSyncAdapter {
 	@Override
 	public void onPerformSync(Account account, Bundle extras, String authority,
                               ContentProviderClient provider, SyncResult syncResult) {
-        OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.sync_title),
-                getContext().getString(R.string.sync_inprogress), OCSMSNotificationType.SYNC.ordinal());
+
+		if (new OCSMSSharedPrefs(getContext()).showSyncNotifications()) {
+			OCSMSNotificationUI.notify(getContext(), getContext().getString(R.string.sync_title),
+					getContext().getString(R.string.sync_inprogress), OCSMSNotificationType.SYNC.ordinal());
+		}
 
 		try {
 			OCSMSOwnCloudClient _client = new OCSMSOwnCloudClient(getContext(), account);
diff --git a/src/main/res/values-en-rGB/strings.xml b/src/main/res/values-en-rGB/strings.xml
index 5c55587..89e3e61 100644
--- a/src/main/res/values-en-rGB/strings.xml
+++ b/src/main/res/values-en-rGB/strings.xml
@@ -181,4 +181,5 @@
     <string name="reinit_sync_cursor_confirm">Are you sure you want to reinitialise the synchronisation cursor ? This can slowdown the next synchronisation if we found many old messages not synced with server.</string>
     <string name="yes_confirm">Yes</string>
     <string name="no_confirm">No</string>
+    <string name="pref_show_sync_notifications">Show sync notifications</string>
 </resources>
diff --git a/src/main/res/values-en/strings.xml b/src/main/res/values-en/strings.xml
index 747e71a..598cc1d 100644
--- a/src/main/res/values-en/strings.xml
+++ b/src/main/res/values-en/strings.xml
@@ -157,5 +157,6 @@
     <string name="reinit_sync_cursor_confirm">Are you sure you want to reinitialize the synchronization cursor ? This can slowdown the next synchronisation if we found many old messages not synced with server.</string>
     <string name="yes_confirm">Yes</string>
     <string name="no_confirm">No</string>
+    <string name="pref_show_sync_notifications">Show sync notifications</string>
 
 </resources>
diff --git a/src/main/res/values-fr/strings.xml b/src/main/res/values-fr/strings.xml
index 60d826c..f3582ca 100644
--- a/src/main/res/values-fr/strings.xml
+++ b/src/main/res/values-fr/strings.xml
@@ -181,4 +181,5 @@
     <string name="reinit_sync_cursor_confirm">Êtes-vous sûr de vouloir réinitialiser le curseur de synchronisation ? Cela peut ralentir la prochaine synchronisation si nous trouvons de nombreux anciens messages non synchronisés avec le serveur.</string>
     <string name="yes_confirm">Oui</string>
     <string name="no_confirm">Non</string>
+    <string name="pref_show_sync_notifications">Afficher les notifications de synchronisation</string>
 </resources>
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 0c7a4f8..218b478 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -258,4 +258,5 @@
     <string name="reinit_sync_cursor_confirm">Are you sure you want to reinitialize the synchronization cursor ? This can slowdown the next synchronisation if we found many old messages not synced with server.</string>
     <string name="yes_confirm">Yes</string>
     <string name="no_confirm">No</string>
+    <string name="pref_show_sync_notifications">Show sync notifications</string>
 </resources>
diff --git a/src/main/res/xml/pref_data_sync.xml b/src/main/res/xml/pref_data_sync.xml
index 6671736..db6088f 100644
--- a/src/main/res/xml/pref_data_sync.xml
+++ b/src/main/res/xml/pref_data_sync.xml
@@ -31,6 +31,12 @@
         android:layout_height="wrap_content"
         android:key="push_on_receive"
         android:title="@string/pref_push_on_receive" />
+    <CheckBoxPreference android:id="@+id/checkbox_show_sync_notifications"
+        android:defaultValue="true"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:key="show_sync_notifications"
+        android:title="@string/pref_show_sync_notifications" />
     <CheckBoxPreference android:id="@+id/checkbox_sync_wifi"
         android:defaultValue="true"
         android:layout_width="wrap_content"