diff --git a/apps/widdevst/wid.js b/apps/widdevst/wid.js
index 99fa8f242..db7d72dd9 100644
--- a/apps/widdevst/wid.js
+++ b/apps/widdevst/wid.js
@@ -1,9 +1,10 @@
 (() => {
   var stat = {date: 0};
+  var d = Date.now();
 
   WIDGETS.devst = {area: "tr", width: 22, draw: function() {
+    d = Date.now();
     if (WIDGETS.devst._draw) return;
-    var d = Date.now();
     var t;
     if ((d - stat.date) < 6e4) {
       t = process.memory(false);
@@ -20,12 +21,15 @@
     g.clearRect(x, y, x + 21, y + 23);
     g.drawRect(x + 2, y + 1, x + 20, y + 21);
     g.setFont('6x8', 1);
-    if (NRF.getSecurityStatus().connected) g.drawString('B', x + 5, y + 3);
-    if (Bangle.isCompassOn()) g.drawString('C', x + 13, y + 3);
-    if (Bangle.isGPSOn()) g.drawString('G', x + 5, y + 12);
-    if (Bangle.isHRMOn()) g.drawString('H', x + 13, y + 12);
+    var again = false;
+    if (NRF.getSecurityStatus().connected) g.drawString('B', x + 5, y + 3), again = true;
+    if (Bangle.isCompassOn()) g.drawString('C', x + 13, y + 3), again = true;
+    if (Bangle.isGPSOn()) g.drawString('G', x + 5, y + 12), again = true;
+    if (Bangle.isHRMOn()) g.drawString('H', x + 13, y + 12), again = true;
     g.setColor(col(stat.sto)); g.drawRect(x + 2, y + 21, x + 2 + stat.sto * 18, y + 22);
     g.setColor(col(t)); g.drawRect(x + 1, y + 21 - t * 20, x + 2, y + 21);
+    // if there's nothing active, don't queue a redraw (rely on Bangle.on(...) below)
+    if (again) setTimeout(draw, drawTime());
   }};
 
   function col(p) {
@@ -33,18 +37,13 @@
   }
 
   var draw = WIDGETS.devst.draw.bind(WIDGETS.devst);
-  var iid = setInterval(draw, Bangle.isLocked() ? 6e4 : 2e3);
 
-  Bangle.on('lcdPower', (on) => {
-    if (on) {
-      draw();
-      if (!iid) iid = setInterval(draw, Bangle.isLocked() ? 6e4 : 2e3);
-    } else if (iid) iid = clearInterval(iid);
-  });
-  Bangle.on('lock', (on) => {
-    if (iid) {
-      clearInterval(iid);
-      iid = setInterval(draw, on ? 6e4 : 2e3);
-    }
-  });
+  var drawTime = () => Bangle.isLocked() ? 6e4 : 2e3;
+  var throttledDraw = () => Date.now() - d > drawTime() && draw();
+
+  Bangle.on("HRM", throttledDraw);
+  Bangle.on("GPS", throttledDraw);
+  Bangle.on("mag", throttledDraw);
+  NRF.on("connect", throttledDraw);
+  draw();
 })();