diff --git a/views/layout.erb b/views/layout.erb
index d5e2c76..aecb89f 100644
--- a/views/layout.erb
+++ b/views/layout.erb
@@ -10,6 +10,28 @@
     <link rel="stylesheet" href="/css/app.css">
     <title>No Frills Sleep Tracker<%= @human_stage %></title>
     <script type="text/javascript" src="/js/bundle.js"></script>
+    <script type="text/javascript">
+      // copied from https://gist.github.com/kylebarrow/1042026#gistcomment-37145
+      (function(document, navigator, standalone) {
+          // prevents links from apps from oppening in mobile safari
+          // this javascript must be the first script in your <head>
+          if ((standalone in navigator) && navigator[standalone]) {
+              var curnode, location = document.location, stop = /^(a|html)$/i;
+              document.addEventListener('click', function(e) {
+                  curnode = e.target;
+                  while (!(stop).test(curnode.nodeName)) {
+                      curnode = curnode.parentNode;
+                  }
+                  // Conditions to do this only on links to your own app
+                  // if you want all links, use if('href' in curnode) instead.
+                  if('href' in curnode) {
+                      e.preventDefault();
+                      location.href = curnode.href;
+                  }
+              }, false);
+          }
+      })(document, window.navigator, 'standalone');
+    </script>
   </head>
   <body>
     <%= yield %>
