diff --git a/ruqqus/templates/default.html b/ruqqus/templates/default.html
index c8d14594c..5d93ae5e5 100644
--- a/ruqqus/templates/default.html
+++ b/ruqqus/templates/default.html
@@ -2,6 +2,34 @@
 <html lang="en">
 <head>
 	<script>
+
+		//mobile prompt
+		if (("standalone" in window.navigator) &&			 // Check if "standalone" property exists
+				window.navigator.standalone){							 // Test if using standalone navigator
+
+				// Web page is loaded via app mode (full-screen mode)
+				// (window.navigator.standalone is TRUE if user accesses website via App Mode)
+
+		} else {
+			if (window.innerWidth <= 737){
+				try {
+					$('#mobile-prompt').tooltip('show')
+					$('.tooltip')[0].addEventListener(
+						'click', 
+						function(event){
+							$('#mobile-prompt').tooltip('hide')
+							var xhr = new XMLHttpRequest();
+							xhr.withCredentials=true;
+							xhr.open("POST", '/dismiss_mobile_tip', true);
+							xhr.send();
+						}
+					)
+				} catch (error) {
+					console.error(error);
+				}
+			}
+		}
+	
 	// Voting
 
 	var upvote = function(event) {
