diff --git a/apps/activepedom/ChangeLog b/apps/activepedom/ChangeLog
index c1b9ec011..ca26a648a 100644
--- a/apps/activepedom/ChangeLog
+++ b/apps/activepedom/ChangeLog
@@ -1,3 +1,4 @@
 0.01: New Widget!
 0.02: Distance calculation and display
-0.03: Data logging and display
\ No newline at end of file
+0.03: Data logging and display
+0.04: Steps are set to 0 in log on new day 
\ No newline at end of file
diff --git a/apps/activepedom/README.md b/apps/activepedom/README.md
index f45297e57..a2a351a12 100644
--- a/apps/activepedom/README.md
+++ b/apps/activepedom/README.md
@@ -18,7 +18,7 @@ Steps are saved to a datafile every 5 minutes. You can watch a graph using the a
 * 10600 steps
 ![](10600.png)
 
-## Features
+## Features Widget
 
 * Two line display
 * Can display distance (in km) or steps in each line
@@ -32,22 +32,23 @@ Steps are saved to a datafile every 5 minutes. You can watch a graph using the a
 * Steps are saved to a file and read-in at start (to not lose step progress)
 * Settings can be changed in Settings - App/widget settings - Active Pedometer
 
+## Features App
+
+* The app accesses the data stored for the current day
+* Timespan is choseable (1h, 4h, 8h, 12h, 16h, 20, 24h), standard is 24h, the whole current day
+
 ## Data storage
 
-* Data is stored to a file
+* Data is stored to a file named activepedomYYYYMMDD.data (activepedom20200427.data)
+* One file is created for each day
 * Format: now,stepsCounted,active,stepsTooShort,stepsTooLong,stepsOutsideTime
-* now is UNIX timestamp in ms
-* You can chose the app to watch a steps graph
+* 'now' is UNIX timestamp in ms
+* You can use the app to watch a steps graph
 * You can import the file into Excel
 * The file does not include a header
 * You can convert UNIX timestamp to a date in Excel using this formula: =DATUM(1970;1;1)+(LINKS(A2;10)/86400)
 * You have to format the cell with the formula to a date cell. Example: JJJJ-MM-TT-hh-mm-ss
 
-## App
-
-* The app accesses the data stored for the current day
-* Timespan is choseable (1h, 4h, 8h, 12h, 16h, 20, 24h), standard is 24h, the whole current day
-
 ## Settings
 
 * Max time (ms): Maximum time between two steps in milliseconds, steps will not be counted if exceeded. Standard: 1100
diff --git a/apps/activepedom/app.js b/apps/activepedom/app.js
index 0a9b3b93f..cc875f371 100644
--- a/apps/activepedom/app.js
+++ b/apps/activepedom/app.js
@@ -162,4 +162,4 @@ settings = storage.readJSON(SETTINGS_FILE, 1) || {};
 
 drawMenu();
 
-})();
+})();
\ No newline at end of file
diff --git a/apps/activepedom/widget.js b/apps/activepedom/widget.js
index c6bd410ce..2ae1b9b62 100644
--- a/apps/activepedom/widget.js
+++ b/apps/activepedom/widget.js
@@ -33,27 +33,28 @@
 
   function storeData()  {
     now = new Date();
-    month = now.getMonth() + 1;
-    if (month < 10) month = "0" + month;
-    filename = filename = "activepedom" + now.getFullYear() + month + now.getDate() + ".data";
+    month = now.getMonth() + 1; //month is 0-based
+    if (month < 10) month = "0" + month; //leading 0
+    filename = filename = "activepedom" + now.getFullYear() + month + now.getDate() + ".data"; //new file for each day
     dataFile = s.open(filename,"a");
-    if (dataFile) {
+    if (dataFile) { //check if filen already exists
       if (dataFile.getLength() == 0) {
-         stepsToWrite = 0;
-      }
-      else {
-        stepsToWrite = stepsCounted;
+        //new day, set steps to 0
+        stepsCounted = 0;
+        stepsTooShort = 0; 
+        stepsTooLong = 0;
+        stepsOutsideTime = 0;
       }
       dataFile.write([
         now.getTime(),
-        stepsToWrite,
+        stepsCounted,
         active,
         stepsTooShort,
         stepsTooLong,
         stepsOutsideTime,
       ].join(",")+"\n");
     }
-    dataFile = undefined;
+    dataFile = undefined; //save memory
   }
 
   //return setting