diff --git a/apps.json b/apps.json
index c90d710b8..36191d771 100644
--- a/apps.json
+++ b/apps.json
@@ -3065,7 +3065,7 @@
   "name": "Hour Strike",
   "shortName": "Hour Strike",
   "icon": "app-icon.png",
-  "version": "0.03",
+  "version": "0.04",
   "description": "Strike the clock on the hour. A great tool to remind you an hour has passed!",
   "tags": "tool,alarm",
   "readme": "README.md",
diff --git a/apps/hourstrike/ChangeLog b/apps/hourstrike/ChangeLog
index fd27e4c88..eef4c34a2 100644
--- a/apps/hourstrike/ChangeLog
+++ b/apps/hourstrike/ChangeLog
@@ -1,3 +1,4 @@
 0.01: New App
 0.02: Add different strike intervals and support for quiet time
 0.03: Bug fixes for setting attributes
+0.04: Add more time to strike and the strength
diff --git a/apps/hourstrike/README.md b/apps/hourstrike/README.md
index 4fe9595c0..6e3498bf1 100644
--- a/apps/hourstrike/README.md
+++ b/apps/hourstrike/README.md
@@ -10,8 +10,9 @@ This app is slightly different from [Hour Chime](https://github.com/espruino/Ban
 
 ## Features
 
-- Strike the hour, the half hour, or the quarter hour
+- Strike the hour, the half hour, the quarter hour, and more
 - Set up a range of hours that clock will strike
+- Set up the strength of the strike
 
 ## Known Issues
 
diff --git a/apps/hourstrike/app.js b/apps/hourstrike/app.js
index be12e0da7..6f2b8c6b8 100644
--- a/apps/hourstrike/app.js
+++ b/apps/hourstrike/app.js
@@ -10,6 +10,7 @@ function resetSettings() {
     interval: 3600,
     start: 9,
     end: 21,
+    vlevel: 0.5,
   };
   updateSettings();
 }
@@ -18,13 +19,13 @@ settings = storage.readJSON('hourstrike.json', 1);
 if (!settings) resetSettings();
 
 function showMainMenu() {
-  var mode_txt = ['Off', 'Hour', 'Half', 'Quarter'];
-  var mode_interval = [-1, 3600, 1800, 900];
+  var mode_txt = ['Off','1 min','5 min','10 min','1/4 h','1/2 h','1 h'];
+  var mode_interval = [-1,60,300,600,900,1800,3600];
   const mainmenu = {
     '': { 'title': 'Hour Strike' },
-    'Mode': {
-      value: 1 | mode_interval.indexOf(settings.interval),
-      min: 0, max: 3,
+    'Notify every': {
+      value: mode_interval.indexOf(settings.interval),
+      min: 0, max: 6,
       format: v => mode_txt[v],
       onchange: v => {
         settings.interval = mode_interval[v];
@@ -34,6 +35,7 @@ function showMainMenu() {
     'Start': {
       value: settings.start,
       min: 0, max: 23,
+      format: v=>v+':00',
       onchange: v=> {
         settings.start = v;
         updateSettings();
@@ -42,11 +44,21 @@ function showMainMenu() {
     'End': {
       value: settings.end,
       min: 0, max: 23,
+      format: v=>v+':59',
       onchange: v=> {
         settings.end = v;
         updateSettings();
       }
     },
+    'Strength': {
+      value: settings.vlevel*10,
+      min: 1, max: 10,
+      format: v=>v/10,
+      onchange: v=> {
+        settings.vlevel = v/10;
+        updateSettings();
+      }
+    },
     '< Back': ()=>load()
   };
   return E.showMenu(mainmenu);
diff --git a/apps/hourstrike/boot.js b/apps/hourstrike/boot.js
index a67e9a6d2..0e4ee7542 100644
--- a/apps/hourstrike/boot.js
+++ b/apps/hourstrike/boot.js
@@ -2,6 +2,7 @@
   var setting = require('Storage').readJSON('hourstrike.json',1)||[];
   var cur = new Date();
   var cur_sec = cur.getMinutes()*60+cur.getSeconds();
-  var notify_sec = setting.interval>0?setting.interval-setting.interval%cur_sec:-1;
-  if (notify_sec>0) setTimeout(load('hourstrike.js'), notify_sec*1000);
+  var notify_sec = setting.interval>0?setting.interval-cur_sec%setting.interval:-1;
+  if (notify_sec>0) setTimeout(function() {load("hourstrike.js");}, notify_sec*1000);
 })();
+
diff --git a/apps/hourstrike/hourstrike.js b/apps/hourstrike/hourstrike.js
index 4d3650d58..493edd8d7 100644
--- a/apps/hourstrike/hourstrike.js
+++ b/apps/hourstrike/hourstrike.js
@@ -15,11 +15,13 @@ if (cur_hour<setting.start) {
   wait_sec = 0;
 }
 
-var notify_func = function () {
-  Bangle.buzz(200, 0.5)
+function notify_func () {
+  Bangle.buzz(200, setting.vlevel)
     .then(() => new Promise(resolve => setTimeout(resolve,200)))
-    .then(() => Bangle.buzz(200, 0.5));
-};
+    .then(() => Bangle.buzz(200, setting.vlevel));
+}
 
 setTimeout(notify_func, wait_sec*1000);
 setTimeout(load, wait_sec*1000+800);
+
+