diff --git a/src/views/projectdetails/projectDetails.vue b/src/views/projectdetails/projectDetails.vue
index 83825d4..6b3e6f5 100644
--- a/src/views/projectdetails/projectDetails.vue
+++ b/src/views/projectdetails/projectDetails.vue
@@ -822,6 +822,19 @@ function toFinish(d, sName, chapterOrStageId, studyModel) {
   // }
 }
 
+function isIOS() {
+  return [
+        'iPad Simulator',
+        'iPhone Simulator',
+        'iPod Simulator',
+        'iPad',
+        'iPhone',
+        'iPod'
+      ].includes(navigator.platform) ||
+      // iPad on iOS 13 detection
+      (navigator.userAgent.includes("Mac") && "ontouchend" in document);
+}
+
 function toOffcoursePlanPage(id) {
   window.open(
     `${location.protocol}//${location.host}${