diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index e040a88..ac18c43 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -38,6 +38,7 @@ import AiTools from './pages/AiTools'
 import UserManagement from './pages/UserManagement'
 import AuditLog from './pages/AuditLog'
 import SystemSettings from './pages/SystemSettings'
+import MobileApp from './pages/MobileApp'
 // 업무 (UIWS 이식) — 업무일지/일정/쪽지/업무통계
 import UiwsWorklog from './pages/uiws/WorklogList'
 import UiwsSchedule from './pages/uiws/ScheduleCalendar'
@@ -102,6 +103,7 @@ export default function App() {
             <Route path="/admin/settings" element={
               <ProtectedRoute min="MANAGER"><SystemSettings /></ProtectedRoute>
             } />
+            <Route path="/admin/mobile-app" element={<MobileApp />} />
           </Route>
           <Route path="*" element={<Navigate to="/dashboard" replace />} />
         </Routes>
diff --git a/frontend/src/components/Sidebar.tsx b/frontend/src/components/Sidebar.tsx
index 8b5588c..c495916 100644
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -5,7 +5,7 @@ import {
   Gauge, Network, CalendarRange, PackagePlus, Truck, Boxes, ClipboardCheck, Barcode,
   ScanSearch, Ruler, AlertTriangle, ListChecks, LineChart, FileBadge, Package, ListTree,
   Route as RouteIcon, Building2, Warehouse, BarChart3, Sparkles, ShieldCheck, ScrollText,
-  Settings, Cpu, NotebookPen, CalendarDays, Mail, PieChart,
+  Settings, Cpu, NotebookPen, CalendarDays, Mail, PieChart, Smartphone,
 } from 'lucide-react'
 import { currentRole, hasRole } from './rbac'
 import ThemeToggle from './uiws/ThemeToggle'
@@ -63,6 +63,10 @@ const adminLinks: Link[] = [
   { to: '/admin/audit', label: '감사 로그', icon: ScrollText, min: 'MANAGER' },
   { to: '/admin/settings', label: '시스템 설정', icon: Settings, min: 'MANAGER' },
 ]
+// 통합 메신저 앱(읽기전용 QR 설치) — 인증 사용자 전체
+const mobileLinks: Link[] = [
+  { to: '/admin/mobile-app', label: '모바일 앱 설치', icon: Smartphone },
+]
 
 const linkClass = ({ isActive }: { isActive: boolean }) =>
   `flex items-center gap-3 px-5 py-1.5 text-sm transition-colors ${
@@ -120,6 +124,9 @@ export default function Sidebar() {
         <Section title="기준정보" links={masterLinks} role={role} />
         <Section title="공통" links={commonLinks} role={role} />
         <Section title="업무 (UIWS)" links={uiwsLinks} role={role} />
+        <div className="border-t border-edge mt-3">
+          <Section title="모바일" links={mobileLinks} role={role} />
+        </div>
         {visibleAdmin.length > 0 && (
           <div className="border-t border-edge mt-3">
             <Section title="관리자" links={visibleAdmin} role={role} />
diff --git a/frontend/src/pages/MobileApp.tsx b/frontend/src/pages/MobileApp.tsx
new file mode 100644
index 0000000..e09ba86
--- /dev/null
+++ b/frontend/src/pages/MobileApp.tsx
@@ -0,0 +1,123 @@
+import { useEffect, useState } from 'react'
+import { Smartphone, Download, Copy, Check, ExternalLink, RefreshCw } from 'lucide-react'
+
+// 중앙 APK 저장소(ITSM)의 공개 엔드포인트 — 인증 불필요·CORS 허용 (읽기전용)
+// 업로드·버전 관리는 GUARDiA Manager/ITSM에서 일원화. 본 화면은 표시 전용.
+const ITSM_APP_BASE = 'https://zioinfo.co.kr:8443'
+
+interface AppInfo {
+  has_version: boolean
+  app_name?: string
+  version?: string
+  platform?: string
+  file_size_mb?: number
+  release_notes?: string
+  download_count?: number
+  qr_url?: string
+  landing_url?: string
+  download_url?: string
+  updated_at?: string
+}
+
+export default function MobileApp() {
+  const [info, setInfo] = useState<AppInfo | null>(null)
+  const [loading, setLoading] = useState(true)
+  const [err, setErr] = useState('')
+  const [copied, setCopied] = useState(false)
+
+  const load = () => {
+    setLoading(true); setErr('')
+    fetch(`${ITSM_APP_BASE}/api/app/public-latest`)
+      .then(r => r.json())
+      .then((d: AppInfo) => setInfo(d))
+      .catch(() => setErr('버전 정보를 불러올 수 없습니다. (중앙 앱 저장소 연결 실패)'))
+      .finally(() => setLoading(false))
+  }
+  useEffect(() => { load() }, [])
+
+  const copyLink = async () => {
+    if (!info?.landing_url) return
+    try {
+      await navigator.clipboard.writeText(info.landing_url)
+      setCopied(true); setTimeout(() => setCopied(false), 2000)
+    } catch { /* clipboard 권한 없을 때 무시 */ }
+  }
+
+  return (
+    <div>
+      <div className="flex items-center justify-between mb-6">
+        <div className="flex items-center gap-2">
+          <Smartphone className="text-brand" size={22} />
+          <h1 className="text-xl font-bold">GUARDiA 통합 메신저 앱 설치</h1>
+        </div>
+        <button onClick={load} className="flex items-center gap-1.5 px-3 py-2 rounded-lg bg-card border border-edge text-sm text-slate-300 hover:text-brand">
+          <RefreshCw size={15} /> 새로고침
+        </button>
+      </div>
+
+      <p className="text-sm text-slate-400 mb-6">
+        QR 코드를 스캔하면 <span className="text-brand font-semibold">GUARDiA Messenger</span> 앱 설치 페이지로 이동합니다.
+        앱스토어 설치가 필요 없으며, 앱 업로드·버전 관리는 GUARDiA Manager에서 일원화되어 있습니다.
+      </p>
+
+      {loading && <div className="text-slate-400 text-sm">불러오는 중…</div>}
+      {err && <div className="bg-card border border-edge rounded-xl p-6 text-rose-400 text-sm">{err}</div>}
+
+      {!loading && !err && info && !info.has_version && (
+        <div className="bg-card border border-edge rounded-xl p-8 text-center text-slate-400">
+          <Smartphone size={36} className="mx-auto mb-3 text-slate-600" />
+          아직 등록된 앱 버전이 없습니다.<br />
+          <span className="text-xs">GUARDiA Manager에서 APK를 업로드하면 여기에 QR이 표시됩니다.</span>
+        </div>
+      )}
+
+      {!loading && !err && info?.has_version && (
+        <div className="bg-card border border-edge rounded-xl p-6 grid md:grid-cols-[200px_1fr] gap-6 items-start">
+          <div className="bg-white rounded-xl p-3 flex items-center justify-center">
+            <img src={info.qr_url} alt="앱 설치 QR" className="w-44 h-44" />
+          </div>
+          <div>
+            <div className="flex items-center gap-2 mb-1">
+              <span className="text-lg font-bold">{info.app_name || 'GUARDiA Messenger'}</span>
+              <span className="px-2 py-0.5 rounded-md bg-brand2 text-white text-xs font-semibold">v{info.version}</span>
+            </div>
+            <div className="text-xs text-slate-400 mb-4">
+              {info.platform} · {info.file_size_mb ? `${info.file_size_mb}MB` : ''}
+              {info.download_count != null && ` · 다운로드 ${info.download_count}회`}
+            </div>
+
+            {info.release_notes && (
+              <div className="mb-4">
+                <div className="text-[11px] font-semibold text-slate-500 uppercase tracking-wider mb-1">변경점</div>
+                <div className="text-sm text-slate-300 whitespace-pre-line bg-ink border border-edge rounded-lg p-3 max-h-32 overflow-auto">
+                  {info.release_notes}
+                </div>
+              </div>
+            )}
+
+            <div className="flex flex-wrap gap-2">
+              <a href={info.landing_url} target="_blank" rel="noreferrer"
+                 className="flex items-center gap-1.5 px-3 py-2 rounded-lg bg-brand text-ink text-sm font-semibold">
+                <ExternalLink size={15} /> 설치 페이지 열기
+              </a>
+              <a href={info.download_url} target="_blank" rel="noreferrer"
+                 className="flex items-center gap-1.5 px-3 py-2 rounded-lg bg-card border border-edge text-sm text-slate-300 hover:text-brand">
+                <Download size={15} /> APK 직접 다운로드
+              </a>
+              <button onClick={copyLink}
+                 className="flex items-center gap-1.5 px-3 py-2 rounded-lg bg-card border border-edge text-sm text-slate-300 hover:text-brand">
+                {copied ? <Check size={15} className="text-accent" /> : <Copy size={15} />}
+                {copied ? '복사됨' : '다운로드 링크 복사'}
+              </button>
+            </div>
+
+            <div className="mt-4 text-[12px] text-slate-500 leading-relaxed">
+              📱 Android: APK 다운로드 후 설정 → 보안 → "알 수 없는 소스" 허용 → 설치.
+              앱스토어 등록이 필요 없습니다.
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}