diff --git a/package-lock.json b/package-lock.json
index c0166d6be5ded8ffc9eacc4cb0b08c66510d103f..439068220cecfd01195c9b686d54bbecabdb6a8b 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -1841,7 +1778,6 @@
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@@ -1939,7 +1873,6 @@
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@@ -2117,7 +2044,6 @@
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diff --git a/src/app.html b/src/app.html
index e5db8fcd2d28b60a5204634f573b7bf6ec63be66..cd1132d86276ee1274659f4c22407320ab1c3f06 100644
--- a/src/app.html
+++ b/src/app.html
@@ -1173,6 +1173,25 @@
   </div>
   <!-- end of message panel -->
 
+  <!-- disclamier modal -->
+  <div class="modal fade" id="disclaimerModal" tabindex="-1" aria-labelledby="disclaimerModalLabel" aria-hidden="true">
+    <div class="modal-dialog">
+      <div class="modal-content">
+        <div class="modal-header">
+          <h5 class="modal-title" id="disclaimerModalLabel">Disclaimer</h5>
+          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+        </div>
+        <div class="modal-body">
+          <p>This application is still in development; therefore, errors or unexpected behavior may be experienced. We would be glad to improve any issues reported at infarctsize@pharmahungary.com</p>
+        </div>
+        <div class="modal-footer">
+          <button type="button" class="btn btn-primary" data-bs-dismiss="modal">I understand</button>
+        </div>
+      </div>
+    </div>
+  </div>
+  <!-- end of disclamier modal -->
+
   <!-- end of main panel -->
 
   <div id="loading" class="d-flex justify-content-center align-items-center" style="
@@ -1197,6 +1216,16 @@
     $(window).on("load", function () {
       $("#loading").fadeOut(500).addClass("d-none");
     });
+    $(document).ready(function() {
+      // Check if disclaimer has been shown before
+      if (!localStorage.getItem('disclaimerShown')) {
+          // Show the modal
+          $('#disclaimerModal').modal('show');
+          
+          // Set flag in localStorage
+          localStorage.setItem('disclaimerShown', 'true');
+      }
+  });  
   </script>
 
   <script src="https://cdn.jsdelivr.net/npm/@panzoom/panzoom@4.5.1/dist/panzoom.min.js"