diff --git a/apps.json b/apps.json
index b0c91f619..8f0ace1d3 100644
--- a/apps.json
+++ b/apps.json
@@ -3059,5 +3059,23 @@
     {"name":"waypoints.json","url":"waypoints.json","evaluate":false},
     {"name":"kitchen.img","url":"kitchen.icon.js","evaluate":true}
   ]
-}  
+},
+  { "id": "qmsched",
+    "name": "Quiet Mode Schedule",
+    "shortName":"Quiet Mode",
+    "icon": "app.png",
+    "version":"0.01",
+    "description": "Automatically turn Quiet Mode on or off at set times",
+    "readme": "README.md",
+    "tags": "tool",
+    "storage": [
+      {"name":"qmsched","url":"lib.js"},
+      {"name":"qmsched.app.js","url":"app.js"},
+      {"name":"qmsched.boot.js","url":"boot.js"},
+      {"name":"qmsched.img","url":"icon.js","evaluate":true}
+    ],
+    "data": [
+      {"name":"qmsched.json"}
+    ]
+  }
 ]
diff --git a/apps/qmsched/ChangeLog b/apps/qmsched/ChangeLog
new file mode 100644
index 000000000..7f837e50e
--- /dev/null
+++ b/apps/qmsched/ChangeLog
@@ -0,0 +1 @@
+0.01: First version
diff --git a/apps/qmsched/README.md b/apps/qmsched/README.md
new file mode 100644
index 000000000..1ccddbf8c
--- /dev/null
+++ b/apps/qmsched/README.md
@@ -0,0 +1,5 @@
+# Quiet Mode Schedule
+
+Automatically turn Quiet Mode on or off at set times.
+
+![Main menu](screenshot_main.png) ![Edit Schedule menu](screenshot_edit.png)
diff --git a/apps/qmsched/app.js b/apps/qmsched/app.js
new file mode 100644
index 000000000..7761be31c
--- /dev/null
+++ b/apps/qmsched/app.js
@@ -0,0 +1,133 @@
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+
+const modeNames = ["Off", "Alarms", "Silent"];
+let scheds = require("Storage").readJSON("qmsched.json", 1);
+/*scheds = [
+  { hr : 6.5, // hours + minutes/60
+    last : 0, // last day of the month we fired on - so we don't switch twice in one day!
+    mode : 1, // quiet mode (0/1/2)
+  }
+];*/
+if (!scheds) {
+  // set default schedule on first load of app
+  scheds = [
+    {"hr": 8, "mode": 0, "last": 25},
+    {"hr": 22, "mode": 1, "last": 25},
+  ];
+  require("Storage").writeJSON("qmsched.json", scheds);
+}
+
+function formatTime(t) {
+  const hrs = 0|t;
+  const mins = Math.round((t-hrs)*60);
+  return (" "+hrs).substr(-2)+":"+("0"+mins).substr(-2);
+}
+
+function getCurrentHr() {
+  const time = new Date();
+  return time.getHours()+(time.getMinutes()/60)+(time.getSeconds()/3600);
+}
+
+function showMainMenu() {
+  const menu = {
+    "": {"title": "Quiet Mode"},
+    "Current Mode": {
+      value: (require("Storage").readJSON("setting.json", 1) || {}).quiet|0,
+      format: v => modeNames[v],
+      onchange: function(v) {
+        if (v<0) v = 2;
+        if (v>2) v = 0;
+        require("qmsched").setMode(v);
+        this.value = v;
+      },
+    },
+  };
+  scheds.sort((a, b) => (a.hr-b.hr));
+  scheds.forEach((sched, idx) => {
+    const name = modeNames[sched.mode];
+    const txt = formatTime(sched.hr)+" ".repeat(14-name.length)+name;
+    menu[txt] = function() {
+      showEditMenu(idx);
+    };
+  });
+  menu["Add Schedule"] = () => showEditMenu(-1);
+  menu["< Back"] = () => {load();};
+  return E.showMenu(menu);
+}
+
+function showEditMenu(index) {
+  const isNew = index<0;
+  let hrs = 12, mins = 0;
+  let mode = 1;
+  if (!isNew) {
+    const s = scheds[index];
+    hrs = 0|s.hr;
+    mins = Math.round((s.hr-hrs)*60);
+    mode = s.mode;
+  }
+  const menu = {
+    "": {"title": (isNew ? "Add" : "Edit")+" Schedule"},
+    "Hours": {
+      value: hrs,
+      onchange: function(v) {
+        if (v<0) v = 23;
+        if (v>23) v = 0;
+        hrs = v;
+        this.value = v;
+      }, // no arrow fn -> preserve 'this'
+    },
+    "Minutes": {
+      value: mins,
+      onchange: function(v) {
+        if (v<0) v = 59;
+        if (v>59) v = 0;
+        mins = v;
+        this.value = v;
+      }, // no arrow fn -> preserve 'this'
+    },
+    "Switch to": {
+      value: mode,
+      format: v => modeNames[v],
+      onchange: function(v) {
+        if (v<0) v = 2;
+        if (v>2) v = 0;
+        mode = v;
+        this.value = v;
+      }, // no arrow fn -> preserve 'this'
+    },
+  };
+  function getSched() {
+    const hr = hrs+(mins/60);
+    let day = 0;
+    // If schedule is for tomorrow not today (eg, in the past), set day
+    if (hr<getCurrentHr()) {
+      day = (new Date()).getDate();
+    }
+    return {
+      hr: hr,
+      mode: mode,
+      last: day,
+    };
+  }
+  menu["> Save"] = function() {
+    if (isNew) {
+      scheds.push(getSched());
+    } else {
+      scheds[index] = getSched();
+    }
+    require("Storage").writeJSON("qmsched.json", scheds);
+    showMainMenu();
+  };
+  if (!isNew) {
+    menu["> Delete"] = function() {
+      scheds.splice(index, 1);
+      require("Storage").writeJSON("qmsched.json", scheds);
+      showMainMenu();
+    };
+  }
+  menu["< Cancel"] = showMainMenu;
+  return E.showMenu(menu);
+}
+
+showMainMenu();
diff --git a/apps/qmsched/app.png b/apps/qmsched/app.png
new file mode 100644
index 000000000..cf1fc29bc
Binary files /dev/null and b/apps/qmsched/app.png differ
diff --git a/apps/qmsched/boot.js b/apps/qmsched/boot.js
new file mode 100644
index 000000000..3c53ef3f7
--- /dev/null
+++ b/apps/qmsched/boot.js
@@ -0,0 +1,24 @@
+// apply Quiet Mode schedules
+(function qm() {
+  let scheds = require("Storage").readJSON("qmsched.json", 1) || [];
+  if (!scheds.length) return;
+  let next,idx;
+  scheds.forEach(function(s, i) {
+    if (!next || (s.hr+s.last*24)<(next.hr+next.last*24)) {
+      next = s;
+      idx = i;
+    }
+  });
+  const now = new Date(),
+    hr = now.getHours()+(now.getMinutes()/60)+(now.getSeconds()/3600);
+  let t = 3600000*(next.hr-hr);
+  if (next.last===now.getDate()) t += 86400000;
+  /* update quiet mode at the correct time. */
+  setTimeout(function() {
+    let scheds = require("Storage").readJSON("qmsched.json", 1) || [];
+    require("qmsched").setMode(scheds[idx].mode);
+    scheds[idx].last = (new Date()).getDate();
+    require("Storage").writeJSON("qmsched.json", scheds);
+    qm(); // schedule next update
+  }, t);
+})();
diff --git a/apps/qmsched/icon.js b/apps/qmsched/icon.js
new file mode 100644
index 000000000..c0f4e2b66
--- /dev/null
+++ b/apps/qmsched/icon.js
@@ -0,0 +1,2 @@
+// https://icons8.com/icon/19324/no-reminders
+require("heatshrink").decompress(atob("mEwxH+AH4A/AH4AElksF1wwtF4YwO0WiGFguBGFovfGB3MAAgwnFooxfGBAuJGEguLGEV/F5owh0YvpGH4vhGCQvd0YwQF7vMGCAveGCAvfGB4vgGBwvhGBouhGFLkIGEouIGEwvKGBguiGEQuNGEHN5owa5ouQ53P5/O5wyOGA3NDAIbBLyAUCAAQzCNBQwF0gVDXiQoBGQgAEEIILE0iSJdiozCFQw1FGBJgSABSVIeg7wQGSDDMFyQ0VCQQwdAAWcAAwPHGD4vPGD+iAAwRJGEgRLGEQRNeTwARF1wA/AH4AX"))
\ No newline at end of file
diff --git a/apps/qmsched/lib.js b/apps/qmsched/lib.js
new file mode 100644
index 000000000..6cdf4f181
--- /dev/null
+++ b/apps/qmsched/lib.js
@@ -0,0 +1,17 @@
+/**
+ * Set new Quiet Mode and apply Bangle options
+ * @param {int} mode Quiet Mode
+ */
+exports.setMode = function(mode) {
+  let s = require("Storage").readJSON("setting.json", 1) || {};
+  s.quiet = mode;
+  require("Storage").writeJSON("setting.json", s);
+  if (s.options) Bangle.setOptions(s.options);
+  if (mode && s.qmOptions) Bangle.setOptions(s.qmOptions);
+  if (mode && s.qmBrightness) {
+    if (s.qmBrightness!=1) Bangle.setLCDBrightness(s.qmBrightness);
+  } else {
+    if (s.brightness && s.brightness!=1) Bangle.setLCDBrightness(s.brightness);
+  }
+  if (mode && s.qmTimeout) Bangle.setLCDTimeout(s.qmTimeout);
+};
\ No newline at end of file
diff --git a/apps/qmsched/screenshot_edit.png b/apps/qmsched/screenshot_edit.png
new file mode 100644
index 000000000..88b7fcad4
Binary files /dev/null and b/apps/qmsched/screenshot_edit.png differ
diff --git a/apps/qmsched/screenshot_main.png b/apps/qmsched/screenshot_main.png
new file mode 100644
index 000000000..634abd633
Binary files /dev/null and b/apps/qmsched/screenshot_main.png differ