diff --git a/App.js b/App.js
index 7671770..04a3a0e 100644
--- a/App.js
+++ b/App.js
@@ -9,6 +9,13 @@ const { DeviceMonitor } = Me.imports.net.DeviceMonitor;
 const { Logger } = Me.imports.utils.Logger;
 
 class AppClass {
+    static instance() {
+        return this._instance || (this._instance = new this());
+    }
+
+    static deleteInstance() {
+        this._instance = undefined;
+    }
 
     constructor() {
         const logger = new Logger();
diff --git a/extension.js b/extension.js
index 3886998..df4889f 100644
--- a/extension.js
+++ b/extension.js
@@ -5,26 +5,20 @@ const Me = ExtensionUtils.getCurrentExtension();
 const { Logger } = Me.imports.utils.Logger;
 const { App } = Me.imports.App;
 const { initBrodcasters, deinitBrodcasters } = Me.imports.utils.Broadcasters;
-const Prefs = Me.imports.prefs;
 
-let logger = undefined;
-let app = undefined;
 function init() {
-    logger = new Logger;
-    logger.info(`initializing 1 ${Me.metadata.name}`);
+    Logger.info(`initializing ${Me.metadata.name}`);
 }
 
 function enable() {
-    logger.info(`enabling ${Me.metadata.name}`);
+    Logger.info(`enabling ${Me.metadata.name}`);
     initBrodcasters();
-    app = new App();
-    app.start();
+    App.instance().start();
 }
 
 function disable() {
-    logger.info(`disabling ${Me.metadata.name}`);
-    app.stop();
+    Logger.info(`disabling ${Me.metadata.name}`);
+    App.instance().stop();
     deinitBrodcasters();
-    app = undefined;
-    logger = undefined;
+    App.deleteInstance();
 }
diff --git a/metadata.json b/metadata.json
index 1c034be..d17601c 100644
--- a/metadata.json
+++ b/metadata.json
@@ -20,5 +20,5 @@
     "41"
   ],
   "url" : "https://github.com/noroadsleft000/gnome-network-stats",
-  "version": 12
+  "version": 13
 }
diff --git a/prefs.js b/prefs.js
index 22b503b..b4763ae 100644
--- a/prefs.js
+++ b/prefs.js
@@ -78,7 +78,6 @@ const SettingRowOrder = Object.freeze({
 
 class PrefsApp {
     constructor() {
-        this._logger = new Logger;
         this._rows = {};
         this.main = new Gtk.Grid({
             margin_top: 10,
@@ -126,7 +125,7 @@ class PrefsApp {
     _hideRow(row) {
         const label = this.main.get_child_at(0, row);
         const input = this.main.get_child_at(1, row);
-        //this._logger.log(`${row}. label: ${label} input: ${input}`);
+        //Logger.log(`${row}. label: ${label} input: ${input}`);
         if (label) {
             this.main.remove(label);
         }
@@ -137,7 +136,7 @@ class PrefsApp {
 
     _showRow(row) {
         const { label, input } = this._rows[row];
-        //this._logger.log(`${row}. label: ${label} input: ${input}`);
+        //Logger.log(`${row}. label: ${label} input: ${input}`);
         if (!label.parent && !input.parent) {
             this.main.attach(label, 0, row, 1, 1);
             this.main.attach(input, 1, row, 1, 1);
@@ -379,7 +378,7 @@ class PrefsApp {
 
     updateControls() {
         const resetSchedule = this.schema.get_string(SettingKeys.RESET_SCHEDULE);
-        //this._logger.log(`resetSchedule: ${resetSchedule}`);
+        //Logger.log(`resetSchedule: ${resetSchedule}`);
         switch(resetSchedule) {
             default:
             case ResetSchedule.DAILY:
@@ -420,8 +419,7 @@ class PrefsApp {
 
 /** Initialize language/locale  */
 function init() {
-    const logger = new Logger;
-    logger.debug("init");
+    Logger.debug("init");
     const localeDir = Me.dir.get_child("locale");
     if (localeDir.query_exists(null)) {
         Gettext.bindtextdomain("network-stats", localeDir.get_path());
@@ -430,8 +428,7 @@ function init() {
 
 /** Build settings view */
 function buildPrefsWidget() {
-    const logger = new Logger;
-    logger.debug("buildPrefsWidget");
+    Logger.debug("buildPrefsWidget");
     const widget = new PrefsApp();
     if (isGtk3()) {
         widget.main.show_all();
diff --git a/utils/Logger.js b/utils/Logger.js
index f91b4d0..90e8e93 100644
--- a/utils/Logger.js
+++ b/utils/Logger.js
@@ -9,8 +9,28 @@ const Me = ExtensionUtils.getCurrentExtension();
 */
 
 class LoggerClass {
-    constructor() {
-        this.test = "Hello";
+    static instance() {
+        return this._instance || (this._instance = new this());
+    }
+
+    static log(...args) {
+        this.instance()._printLog("LOG", args);
+    }
+
+    static debug(...args) {
+        this.instance()._printLog("DEBUG", args);
+    }
+
+    static info(...args) {
+        this.instance()._printLog("INFO", args);
+    }
+
+    static error(...args) {
+        this.instance()._printLog("ERROR", args);
+    }
+
+    static critical(...args) {
+        this.instance()._printLog("**CRITICAL", args);
     }
 
     _callerInfo(level=3) {