diff --git a/apps/grandfatherclock/settings.js b/apps/grandfatherclock/settings.js
new file mode 100644
index 000000000..6ab3b43b3
--- /dev/null
+++ b/apps/grandfatherclock/settings.js
@@ -0,0 +1,83 @@
+(function(back) {
+
+    const configFile = "grandfatherclock.json";
+
+    let config = Object.assign({
+        twelve_hour: true,
+        swap_meridian: false,
+        hour_attention_buzz_ms: 1000,
+        hour_count_buzz_ms: 250,
+        fraction_count_buzz_ms: 250,
+        fractions_of_hour: 4, // 4 = 15min intervals, 6 = 10min intervals
+        wait_ms: 500,
+        meridian_buzz_ms: 50,
+        meridian_buzz_wait_ms: 300
+    }, require('Storage').readJSON("grandfatherclock.json", true) || {});
+
+    let writeConfig = function() {
+        require('Storage').writeJSON(configFile, config);
+    };
+
+    E.showMenu({
+        "": {"title" : "Grandfather Clock"},
+        "< Back": () => back(),
+        "12 / 24 hour": {
+            value: config.twelve_hour,
+            format: v => v ? "12" : "24",
+            onchange: v => {
+                config.twelve_hour = v;
+                writeConfig();
+            }
+        },"Swap meridian": {
+            value: config.swap_meridian,
+            format: v => v ? "Yes" : "No",
+            onchange: v => {
+                config.swap_meridian = v;
+                writeConfig();
+            }
+        },"Hr attn. buzz length (ms)": {
+            value: config.hour_attention_buzz_ms,
+            onchange: v => {
+                config.hour_attention_buzz_ms = v;
+                writeConfig();
+            }
+        },"Hr count buzz (ms)": {
+            value: config.hour_count_buzz_ms,
+            onchange: v => {
+                config.hour_count_buzz_ms = v;
+                writeConfig();
+            }
+        },"Frac. count buzz (ms)": {
+            value: config.fraction_count_buzz_ms,
+            onchange: v => {
+                config.fraction_count_buzz_ms = v;
+                writeConfig();
+            }
+        },"Fracs. of hour": {
+            value: config.fractions_of_hour,
+            onchange: v => {
+                config.fractions_of_hour = v;
+                writeConfig();
+            }
+        },"Count wait (ms)": {
+            value: config.wait_ms,
+            onchange: v => {
+                config.wait_ms = v;
+                writeConfig();
+            }
+        },"Meridian buzz (ms)": {
+            value: config.meridian_buzz_ms,
+            onchange: v => {
+                config.meridian_buzz_ms = v;
+                writeConfig();
+            }
+        },"Meridian wait (ms)": {
+            value: config.meridian_buzz_wait_ms,
+            onchange: v => {
+                config.meridian_buzz_wait_ms = v;
+                writeConfig();
+            }
+        }
+    });
+
+})
diff --git a/apps/grandfatherclock/widget.js b/apps/grandfatherclock/widget.js
index 66e63830b..32162186a 100644
--- a/apps/grandfatherclock/widget.js
+++ b/apps/grandfatherclock/widget.js
@@ -2,36 +2,39 @@
 
     WIDGETS["grandfatherclock"] = {
         area: "tr",
+        width: 16,
         draw: function() {
             g.reset();
             g.drawImage(atob("EBiDASSTJJISSSSZJJJCSSTJ///ISSZP///5CTJ/////ITJ/////ITJ/+B//ITJ/+B//ITJ//+P/ITJ/////ISZP///5CSRJ///ICSQJJJJACSYBJJIBCSYABgABCSYABgABCSYAJAABCSYANgABCSYBtgABCSYNtsABCSYBtgABCSYAMAABCSYAAAABCSZJJJJJCQ=="), this.x, this.y);
         }
     };
 
-    // todo: all of these configurable through app settings menu.
-    const twelve_hour = true;
-    const swap_meridian = false;
-    const hour_attention_buzz_ms = 1000;
-    const hour_count_buzz_ms = 250;
-    const fraction_count_buzz_ms = 250;
-    const fractions_of_hour = 4; // 4 = 15min intervals, 6 = 10min intervals
-    const wait_ms = 500;
-    const meridian_buzz_ms = 50;
-    const meridian_buzz_wait_ms = 300;
+    // sensible defaults
+    let config = Object.assign({
+        twelve_hour: true,
+        swap_meridian: false,
+        hour_attention_buzz_ms: 1000,
+        hour_count_buzz_ms: 250,
+        fraction_count_buzz_ms: 250,
+        fractions_of_hour: 4, // 4 = 15min intervals, 6 = 10min intervals
+        wait_ms: 500,
+        meridian_buzz_ms: 50,
+        meridian_buzz_wait_ms: 300
+    }, require('Storage').readJSON("grandfatherclock.json", true) || {}); // or, load the app settings file.
 
     let date;
-    let fractionMs = 3600000 / fractions_of_hour;
+    let fractionMs = 3600000 / config.fractions_of_hour;
 
     let chime = function () {
         date = new Date();
-        let hourFrac = Math.floor(date.getMinutes() / (60 / fractions_of_hour));
+        let hourFrac = Math.floor(date.getMinutes() / (60 / config.fractions_of_hour));
 
         if (hourFrac == 0) { // if it's an o'clock hour
-            let chimeHour = (twelve_hour ? date.getHours() % 12 : date.getHours());
-            if (chimeHour == 0) (twelve_hour ? chimeHour += 12 : chimeHour += 24);
+            let chimeHour = (config.twelve_hour ? date.getHours() % 12 : date.getHours());
+            if (chimeHour == 0) (config.twelve_hour ? chimeHour += 12 : chimeHour += 24);
 
-            Bangle.buzz(hour_attention_buzz_ms).then(() => { // initial buzz
-                setTimeout(hourChime, wait_ms, chimeHour); // wait a period before doing the first chime
+            Bangle.buzz(config.hour_attention_buzz_ms).then(() => { // initial buzz
+                setTimeout(hourChime, config.wait_ms, chimeHour); // wait a period before doing the first chime
             });
         } else { // if it's a fraction of an hour
             fractionChime(hourFrac);
@@ -42,27 +45,27 @@
 
     let hourChime = function (hoursLeftToChime) {
         hoursLeftToChime--;
-        Bangle.buzz(hour_count_buzz_ms).then(() => { // recursive. buzz and wait to do the next buzz.
+        Bangle.buzz(config.hour_count_buzz_ms).then(() => { // recursive. buzz and wait to do the next buzz.
             if (hoursLeftToChime > 0) {
-                setTimeout(hourChime, wait_ms, hoursLeftToChime);
-            } else if (twelve_hour) { // once finished with the hour count
-                setTimeout(meridianChime, wait_ms, (date.getHours() >= 12)); // if in twelve hour mode, queue up the meridian chime.
+                setTimeout(hourChime, config.wait_ms, hoursLeftToChime);
+            } else if (config.twelve_hour) { // once finished with the hour count
+                setTimeout(meridianChime, config.wait_ms, (date.getHours() >= 12)); // if in twelve hour mode, queue up the meridian chime.
             }
         });
     };
 
     let fractionChime = function (fractionsLeftToChime) {
         fractionsLeftToChime--;
-        Bangle.buzz(fraction_count_buzz_ms).then(() => { // recursive. buzz and wait to do the next buzz.
-            if (fractionsLeftToChime > 0) setTimeout(fractionChime, wait_ms, fractionsLeftToChime);
+        Bangle.buzz(config.fraction_count_buzz_ms).then(() => { // recursive. buzz and wait to do the next buzz.
+            if (fractionsLeftToChime > 0) setTimeout(fractionChime, config.wait_ms, fractionsLeftToChime);
         });
     };
 
     let meridianChime = function (meridian) {
-        if ((swap_meridian ? !meridian : meridian)) { // default: if PM
-                Bangle.buzz(meridian_buzz_ms).then(setTimeout(Bangle.buzz, meridian_buzz_wait_ms, meridian_buzz_ms)); // buzz once, wait, buzz again.
+        if ((config.swap_meridian ? !meridian : meridian)) { // default: if PM
+                Bangle.buzz(config.meridian_buzz_ms).then(setTimeout(Bangle.buzz, config.meridian_buzz_wait_ms, config.meridian_buzz_ms)); // buzz once, wait, buzz again.
         } else { // default: if AM
-                Bangle.buzz(meridian_buzz_ms); // buzz once.
+                Bangle.buzz(config.meridian_buzz_ms); // buzz once.
         }
     };