diff --git a/apps/sensortools/default.json b/apps/sensortools/default.json
index a85e1ddeb..0e0d0a9af 100644
--- a/apps/sensortools/default.json
+++ b/apps/sensortools/default.json
@@ -1,5 +1,6 @@
 {
   "enabled": false,
+  "log": false,
   "mag": {
     "enabled": false,
     "mode": "emulate",
diff --git a/apps/sensortools/lib.js b/apps/sensortools/lib.js
index 85ed3be60..f0155d289 100644
--- a/apps/sensortools/lib.js
+++ b/apps/sensortools/lib.js
@@ -5,6 +5,7 @@ exports.enable = () => {
   );
 
   let log = function(text, param) {
+    if (!settings.log) return;
     let logline = new Date().toISOString() + " - " + "Sensortools - " + text;
     if (param) logline += ": " + JSON.stringify(param);
     print(logline);
diff --git a/apps/sensortools/settings.js b/apps/sensortools/settings.js
index 231ab8467..ae631e60c 100644
--- a/apps/sensortools/settings.js
+++ b/apps/sensortools/settings.js
@@ -88,6 +88,12 @@
           writeSettings("enabled",v);
         },
       },
+      'Log': {
+        value: !!settings.log,
+        onchange: v => {
+          writeSettings("log",v);
+        },
+      },
       'GPS': ()=>{showSubMenu("GPS","gps",["nop", "staticfix", "nofix", "changingfix", "route", "routeFuzzy"],[]);},
       'Compass': ()=>{showSubMenu("Compass","mag",["nop", "static", "rotate"],[]);},
       'HRM': ()=>{showSubMenu("HRM","hrm",["nop", "static"],["bpmtrippled"],["sin"]);}