diff --git a/htdocs/index.wrx b/htdocs/index.wrx
index d91bb80..c6323ed 100644
--- a/htdocs/index.wrx
+++ b/htdocs/index.wrx
@@ -139,5 +139,11 @@
 			</div>
 	</div>
 </div>
+	<div id="openwebrx-big-grey" onclick="iosPlayButtonClick();">
+		<div id="openwebrx-play-button-text">
+		<img id="openwebrx-play-button" src="gfx/openwebrx-play-button.png" />
+		<br /><br />Start OpenWebRX
+		</div>
+	</div>
 	</body>
 </html>
diff --git a/htdocs/openwebrx.css b/htdocs/openwebrx.css
index 00873ab..66e157e 100644
--- a/htdocs/openwebrx.css
+++ b/htdocs/openwebrx.css
@@ -778,3 +778,31 @@ img.openwebrx-mirror-img
 	margin-top: 29px;
 	font-family: 'expletus-sans-medium';
 }
+
+#openwebrx-big-grey
+{
+	position: fixed;
+	width: 100%;
+	height: 100%;
+	margin: 0;
+	padding: 0;
+	opacity: 0.8;
+	background-color: #777;
+	left: 0;
+	top: 0;
+	z-index: 1001;	
+	display: none;
+	vertical-align: middle;
+	text-align: center;
+	color: white;
+	font-weight: bold;
+	font-size: 20pt;
+	cursor: pointer;
+	transition: opacity 0.3s linear;
+}
+
+#openwebrx-big-grey img
+{
+	width: 150px;
+}
+
diff --git a/htdocs/openwebrx.js b/htdocs/openwebrx.js
index 137d333..0055b13 100644
--- a/htdocs/openwebrx.js
+++ b/htdocs/openwebrx.js
@@ -72,6 +72,9 @@ var rx_photo_state=1;
 
 function e(what) { return document.getElementById(what); }
 
+ios = /iPad|iPod|iPhone/.test(navigator.userAgent);
+//alert("ios="+ios.toString()+"  "+navigator.userAgent);
+
 function init_rx_photo()
 {
 	e("webrx-top-photo-clip").style.maxHeight=rx_photo_height.toString()+"px";
@@ -1137,7 +1140,7 @@ function on_ws_recv(evt)
 		audio_prepare(audio_data);
 		audio_buffer_current_size_debug+=audio_data.length;
 		audio_buffer_all_size_debug+=audio_data.length;
-		if(audio_initialized==0 && audio_prepared_buffers.length>audio_buffering_fill_to) audio_init()
+		if(!ios && (audio_initialized==0 && audio_prepared_buffers.length>audio_buffering_fill_to)) audio_init()
 	}
 	else if(firstChars=="FFT")
 	{
@@ -1890,6 +1893,8 @@ function openwebrx_resize()
 
 function openwebrx_init()
 {
+	if(ios) e("openwebrx-big-grey").style.display="table-cell";
+	(opb=e("openwebrx-play-button-text")).style.marginTop=(window.innerHeight/2-opb.clientHeight/2).toString()+"px";
 	init_rx_photo();
 	open_websocket();
 	place_panels();
@@ -1902,6 +1907,14 @@ function openwebrx_init()
 	waterfallColorsDefault();
 }
 
+function iosPlayButtonClick()
+{
+	//On iOS, we can only start audio from a click or touch event.
+	audio_init();
+	e("openwebrx-big-grey").style.opacity=0;
+	window.setTimeout(function(){ e("openwebrx-big-grey").style.display="none"; },1100);
+}
+
 /*
 window.setInterval(function(){
 	sum=0;
diff --git a/openwebrx.py b/openwebrx.py
index dea3a9b..d9b661e 100755
--- a/openwebrx.py
+++ b/openwebrx.py
@@ -559,7 +559,8 @@ class WebRXHandler(BaseHTTPRequestHandler):
 				if extension == "wrx" and (checkresult or receiver_failed):
 					self.send_302("inactive.html")
 					return
-				if extension == "wrx" and ((self.headers['user-agent'].count("Chrome")==0 and self.headers['user-agent'].count("Firefox")==0 and (not "Googlebot" in self.headers['user-agent'])) if 'user-agent' in self.headers.keys() else True) and (not request_param.count("unsupported")):
+				anyStringsPresentInUserAgent=lambda a: reduce(lambda x,y:x or y, map(lambda b:self.headers['user-agent'].count(b), a), False)
+				if extension == "wrx" and ( (not anyStringsPresentInUserAgent(("Chrome","Firefox","Googlebot","iPhone","iPad","iPod"))) if 'user-agent' in self.headers.keys() else True ) and (not request_param.count("unsupported")):
 					self.send_302("upgrade.html")
 					return
 				if extension == "wrx" and cfg.max_clients<=len(clients):