diff --git a/apps/neonx/ChangeLog b/apps/neonx/ChangeLog
index 7ac033fe8..968d6d629 100644
--- a/apps/neonx/ChangeLog
+++ b/apps/neonx/ChangeLog
@@ -1,2 +1,3 @@
 0.01: Initial release
-0.02: Optional fullscreen mode
\ No newline at end of file
+0.02: Optional fullscreen mode
+0.03: Optional show lock status via color
\ No newline at end of file
diff --git a/apps/neonx/README.md b/apps/neonx/README.md
index f205b702f..c3eb982c6 100644
--- a/apps/neonx/README.md
+++ b/apps/neonx/README.md
@@ -21,4 +21,9 @@ Shows the current date as DD MM on touch and reverts back to time after 5 second
 
 ### Fullscreen
 Shows the watchface in fullscreen mode.
-Note: In fullscreen mode, widgets are hidden, but still loaded.
\ No newline at end of file
+Note: In fullscreen mode, widgets are hidden, but still loaded.
+
+### Show lock status
+In fullscreen mode it can be useful to detect, whether the BangleJs is locked or not.
+If these settings are enabled, the first digit is shown red if the BangleJs is locked
+and purple otherwise.
\ No newline at end of file
diff --git a/apps/neonx/metadata.json b/apps/neonx/metadata.json
index ffa4d1b8e..4ac7c4cea 100644
--- a/apps/neonx/metadata.json
+++ b/apps/neonx/metadata.json
@@ -2,7 +2,7 @@
   "id": "neonx",
   "name": "Neon X & IO X Clock",
   "shortName": "Neon X Clock",
-  "version": "0.02",
+  "version": "0.03",
   "description": "Pebble Neon X & Neon IO X for Bangle.js",
   "icon": "neonx.png",
   "type": "clock",
diff --git a/apps/neonx/neonx.app.js b/apps/neonx/neonx.app.js
index 4ef0986fe..165ec32a6 100644
--- a/apps/neonx/neonx.app.js
+++ b/apps/neonx/neonx.app.js
@@ -8,6 +8,19 @@
  * Created: February 2022
  */
 
+let settings = {
+  thickness: 4,
+  io: 0,
+  showDate: 1,
+  fullscreen: false,
+  showLock: false,
+};
+let saved_settings = require('Storage').readJSON('neonx.json', 1) || settings;
+for (const key in saved_settings) {
+  settings[key] = saved_settings[key]
+}
+
+
 const digits = {
   0:[[15,15,85,15,85,85,15,85,15,15]],
   1:[[85,15,85,85]],
@@ -21,6 +34,7 @@ const digits = {
   9:[[15,50,15,15,85,15,85,85,15,85]],
 };
 
+
 const colors = {
   x: [
     ["#FF00FF", "#00FFFF"],
@@ -31,17 +45,19 @@ const colors = {
     ["#00FF00", "#00FFFF"]
   ]
 };
+const unlockColor = "#FF0000";
 
 const is12hour = (require("Storage").readJSON("setting.json",1)||{})["12hour"]||false;
 const screenWidth = g.getWidth();
 const screenHeight = g.getHeight();
 const halfWidth = screenWidth / 2;
 const scale = screenWidth / 240;
-const REFRESH_RATE = 10E3;
+const REFRESH_RATE = 60E3;
 
 let interval = 0;
 let showingDate = false;
 
+
 function drawLine(poly, thickness){
   for (let i = 0; i < poly.length; i = i + 2){
     if (poly[i + 2] === undefined) {
@@ -59,18 +75,6 @@ function drawLine(poly, thickness){
   }
 }
 
-let settings = {
-  thickness: 4,
-  io: 0,
-  showDate: 1,
-  fullscreen: false,
-};
-let saved_settings = require('Storage').readJSON('neonx.json', 1) || settings;
-for (const key in saved_settings) {
-  settings[key] = saved_settings[key]
-}
-
-
 
 function drawClock(num){
   let tx, ty;
@@ -80,7 +84,11 @@ function drawClock(num){
       const current = ((y + 1) * 2 + x - 1);
       let newScale = scale;
 
-      g.setColor(colors[settings.io ? 'io' : 'x'][y][x]);
+      let c = colors[settings.io ? 'io' : 'x'][y][x];
+      if(x == 0 && y == 0 && settings.showLock){
+        c = Bangle.isLocked() ? c : unlockColor;
+      }
+      g.setColor(c);
 
       if (!settings.io) {
         newScale *= settings.fullscreen ? 1.18 : 1.0;
@@ -101,6 +109,7 @@ function drawClock(num){
   }
 }
 
+
 function draw(date){
   let d = new Date();
   let l1, l2;
@@ -131,6 +140,7 @@ function draw(date){
   drawClock([l1, l2]);
 }
 
+
 function setUpdateInt(set){
   if (interval) {
     clearInterval(interval);
@@ -148,15 +158,22 @@ Bangle.setUI("clock");
 setUpdateInt(1);
 draw();
 
+
 if (settings.showDate) {
   Bangle.on('touch', () => draw(!showingDate));
 }
 
 Bangle.on('lcdPower', function(on){
   if (on){
-    draw();
     setUpdateInt(1);
-  } else setUpdateInt(0);
+    draw();
+  } else {
+    setUpdateInt(0);
+  }
+});
+
+Bangle.on('lock', function(isLocked) {
+  draw();
 });
 
 Bangle.loadWidgets();
diff --git a/apps/neonx/neonx.settings.js b/apps/neonx/neonx.settings.js
index 3af2e0fa5..e01ceb4d3 100644
--- a/apps/neonx/neonx.settings.js
+++ b/apps/neonx/neonx.settings.js
@@ -9,6 +9,7 @@
       io: 0,
       showDate: 1,
       fullscreen: false,
+      showLock: false,
     };
 
     updateSettings();
@@ -58,6 +59,14 @@
         updateSettings();
       },
     },
+    'Show lock': {
+      value: false | neonXSettings.showLock,
+      format: () => (neonXSettings.showLock ? 'Yes' : 'No'),
+      onchange: () => {
+        neonXSettings.showLock = !neonXSettings.showLock;
+        updateSettings();
+      },
+    },
   };
   E.showMenu(menu);
 })