diff --git a/backend/src/routes/usergroups.js b/backend/src/routes/usergroups.js
index d9d0a15..63d0cdf 100644
--- a/backend/src/routes/usergroups.js
+++ b/backend/src/routes/usergroups.js
@@ -301,6 +301,7 @@ router.patch('/:id', authMiddleware, teamManagerMiddleware, async (req, res) =>
             io.in(R(req.schema,'user',uid)).socketsLeave(R(req.schema,'group',ug.dm_group_id));
             io.to(R(req.schema,'user',uid)).emit('group:deleted', { groupId: ug.dm_group_id });
           }
+          io.to(R(req.schema,'user',uid)).emit('schedule:refresh');
           removedUids.push(uid);
         }
       }
@@ -418,6 +419,8 @@ router.delete('/:id/members/:userId', authMiddleware, teamManagerMiddleware, asy
 
     await exec(req.schema, 'DELETE FROM user_group_members WHERE user_group_id=$1 AND user_id=$2', [ug.id, userId]);
 
+    io.to(R(req.schema,'user',userId)).emit('schedule:refresh');
+
     if (ug.dm_group_id) {
       await exec(req.schema, 'DELETE FROM group_members WHERE group_id=$1 AND user_id=$2', [ug.dm_group_id, userId]);
       io.in(R(req.schema,'user',userId)).socketsLeave(R(req.schema,'group',ug.dm_group_id));
diff --git a/frontend/src/components/ProfileModal.jsx b/frontend/src/components/ProfileModal.jsx
index 88cf919..6ede2d8 100644
--- a/frontend/src/components/ProfileModal.jsx
+++ b/frontend/src/components/ProfileModal.jsx
@@ -28,6 +28,7 @@ export default function ProfileModal({ onClose }) {
     typeof Notification !== 'undefined' ? Notification.permission : 'unsupported'
   );
   const isIOS = /iphone|ipad/i.test(navigator.userAgent);
+  const isStandalone = window.navigator.standalone === true;
   const [hideAdminTag, setHideAdminTag] = useState(!!user?.hide_admin_tag);
   const [allowDm, setAllowDm] = useState(user?.allow_dm !== 0);
 
@@ -213,6 +214,21 @@ export default function ProfileModal({ onClose }) {
 
         {tab === 'notifications' && (
           <div className="flex-col gap-3">
+            {isIOS && !isStandalone ? (
+              <div style={{ display: 'flex', flexDirection: 'column', gap: 10, padding: '12px 14px', borderRadius: 8, background: 'var(--surface-variant)', border: '1px solid var(--border)' }}>
+                <div style={{ fontSize: 14, fontWeight: 600, color: 'var(--text-primary)' }}>Home Screen required for notifications</div>
+                <div style={{ fontSize: 13, color: 'var(--text-secondary)', lineHeight: 1.6 }}>
+                  Push notifications on iPhone require RosterChirp to be installed as an app. To do this:
+                  <ol style={{ margin: '8px 0 0', paddingLeft: 18, display: 'flex', flexDirection: 'column', gap: 4 }}>
+                    <li>Tap the <strong>Share</strong> button (<svg style={{ display: 'inline', verticalAlign: 'middle', margin: '0 2px' }} width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><path d="M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8"/><polyline points="16 6 12 2 8 6"/><line x1="12" y1="2" x2="12" y2="15"/></svg>) at the bottom of Safari</li>
+                    <li>Select <strong>"Add to Home Screen"</strong></li>
+                    <li>Tap <strong>Add</strong>, then open RosterChirp from your Home Screen</li>
+                    <li>Go to <strong>Profile → Notifications</strong> to enable push notifications</li>
+                  </ol>
+                </div>
+              </div>
+            ) : (
+              <>
             {notifPermission !== 'granted' && notifPermission !== 'unsupported' && (
               <div style={{ display: 'flex', flexDirection: 'column', gap: 8, padding: '10px 12px', borderRadius: 8, background: 'var(--surface-variant)' }}>
                 <div style={{ fontSize: 14, color: 'var(--text-secondary)' }}>
@@ -314,6 +330,8 @@ export default function ProfileModal({ onClose }) {
                 )}
               </div>
             )}
+              </>
+            )}
           </div>
         )}
 
diff --git a/frontend/src/components/SchedulePage.jsx b/frontend/src/components/SchedulePage.jsx
index ec160fc..6bbdab2 100644
--- a/frontend/src/components/SchedulePage.jsx
+++ b/frontend/src/components/SchedulePage.jsx
@@ -3,6 +3,7 @@ import ReactDOM from 'react-dom';
 import { api } from '../utils/api.js';
 import { useToast } from '../contexts/ToastContext.jsx';
 import { useAuth } from '../contexts/AuthContext.jsx';
+import { useSocket } from '../contexts/SocketContext.jsx';
 import UserFooter from './UserFooter.jsx';
 import MobileEventForm from './MobileEventForm.jsx';
 import ColourPickerSheet from './ColourPickerSheet.jsx';
@@ -1471,6 +1472,7 @@ function MonthView({ events: rawEvents, selectedDate, onSelect, onSelectDay }) {
 export default function SchedulePage({ isToolManager, isMobile, onProfile, onHelp, onAbout }) {
   const { user } = useAuth();
   const toast = useToast();
+  const { socket } = useSocket();
 
   // Mobile: only day + schedule views
   const allowedViews = isMobile ? ['schedule','day'] : ['schedule','day','week','month'];
@@ -1502,6 +1504,13 @@ export default function SchedulePage({ isToolManager, isMobile, onProfile, onHel
 
   useEffect(() => { load(); }, [load]);
 
+  // Re-fetch when removed from a user group (private event visibility may change)
+  useEffect(() => {
+    if (!socket) return;
+    socket.on('schedule:refresh', load);
+    return () => socket.off('schedule:refresh', load);
+  }, [socket, load]);
+
   // Reset scroll to top on date/view change; schedule view scrolls to today via ScheduleView's own effect
   useEffect(() => { if (contentRef.current && view !== 'schedule') contentRef.current.scrollTop = 0; }, [selDate, view]);
 
diff --git a/frontend/src/pages/Chat.jsx b/frontend/src/pages/Chat.jsx
index f38572c..50a0473 100644
--- a/frontend/src/pages/Chat.jsx
+++ b/frontend/src/pages/Chat.jsx
@@ -29,6 +29,38 @@ function urlBase64ToUint8Array(base64String) {
   return outputArray;
 }
 
+// ── iOS "Add to Home Screen" install banner ───────────────────────────────────
+// iOS Safari does not fire beforeinstallprompt. Push notifications on iOS require
+// the app to be installed as a PWA (added to Home Screen). This banner guides users.
+const IOS_BANNER_KEY = 'rc_ios_install_dismissed';
+function IOSInstallBanner({ onDismiss }) {
+  return (
+    <div style={{
+      position: 'fixed', bottom: 0, left: 0, right: 0, zIndex: 9999,
+      background: 'var(--primary)', color: '#fff',
+      padding: '12px 16px', display: 'flex', alignItems: 'center', gap: 12,
+      boxShadow: '0 -2px 12px rgba(0,0,0,0.25)',
+    }}>
+      <div style={{ flex: 1 }}>
+        <div style={{ fontWeight: 700, fontSize: 14, marginBottom: 2 }}>Add to Home Screen</div>
+        <div style={{ fontSize: 12, lineHeight: 1.4, opacity: 0.9 }}>
+          To receive push notifications, tap the{' '}
+          {/* iOS share icon */}
+          <svg style={{ display: 'inline', verticalAlign: 'middle', margin: '0 2px' }} width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round">
+            <path d="M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8"/>
+            <polyline points="16 6 12 2 8 6"/>
+            <line x1="12" y1="2" x2="12" y2="15"/>
+          </svg>
+          {' '}Share button, then select <strong>"Add to Home Screen"</strong>.
+        </div>
+      </div>
+      <button onClick={onDismiss} style={{ background: 'none', border: 'none', cursor: 'pointer', color: '#fff', padding: 4, flexShrink: 0, opacity: 0.9 }}>
+        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
+      </button>
+    </div>
+  );
+}
+
 export default function Chat() {
   const { socket } = useSocket();
   const { user } = useAuth();
@@ -47,6 +79,9 @@ export default function Chat() {
   const [helpDismissed, setHelpDismissed] = useState(true); // true until status loaded
   const [isMobile, setIsMobile] = useState(window.innerWidth < 768);
   const [showSidebar, setShowSidebar] = useState(true);
+  const isIOSSafari = /iphone|ipad/i.test(navigator.userAgent) && !window.navigator.standalone;
+  const [iosBannerDismissed, setIosBannerDismissed] = useState(() => localStorage.getItem(IOS_BANNER_KEY) === '1');
+  const showIOSBanner = isIOSSafari && !iosBannerDismissed;
 
   // Check if help should be shown on login
   useEffect(() => {
@@ -550,6 +585,7 @@ export default function Chat() {
         {modal === 'branding' && <BrandingModal onClose={() => setModal(null)} />}
         {modal === 'help'     && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
         {modal === 'about'    && <AboutModal onClose={() => setModal(null)} />}
+        {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
       </div>
     );
   }
@@ -578,6 +614,7 @@ export default function Chat() {
         {modal === 'branding' && <BrandingModal onClose={() => setModal(null)} />}
         {modal === 'help'     && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
         {modal === 'about'    && <AboutModal onClose={() => setModal(null)} />}
+        {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
       </div>
     );
   }
@@ -637,6 +674,7 @@ export default function Chat() {
         {modal === 'help'     && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
         {modal === 'about'    && <AboutModal onClose={() => setModal(null)} />}
         {modal === 'newchat'  && <NewChatModal onClose={() => setModal(null)} onCreated={(g) => { loadGroups(); setModal(null); setActiveGroupId(g.id); setPage('chat'); }} />}
+        {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
       </div>
     );
   }
@@ -669,6 +707,7 @@ export default function Chat() {
         {modal === 'branding' && <BrandingModal onClose={() => setModal(null)} />}
         {modal === 'help'     && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
         {modal === 'about'    && <AboutModal onClose={() => setModal(null)} />}
+        {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
       </div>
     );
   }
@@ -713,6 +752,7 @@ export default function Chat() {
         )}
         {modal === 'about'        && <AboutModal onClose={() => setModal(null)} />}
         {modal === 'help'         && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
+        {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
       </div>
     );
   }
@@ -780,6 +820,7 @@ export default function Chat() {
       {modal === 'newchat' && <NewChatModal onClose={() => setModal(null)} onCreated={(g) => { loadGroups(); setModal(null); setActiveGroupId(g.id); }} />}
       {modal === 'about' && <AboutModal onClose={() => setModal(null)} />}
       {modal === 'help' && <HelpModal onClose={() => setModal(null)} dismissed={helpDismissed} />}
+      {showIOSBanner && <IOSInstallBanner onDismiss={() => { localStorage.setItem(IOS_BANNER_KEY, '1'); setIosBannerDismissed(true); }} />}
     </div>
   );
 }