diff --git a/desktop/src-tauri/capabilities/default.json b/desktop/src-tauri/capabilities/default.json
index 7b81515..c15512a 100644
--- a/desktop/src-tauri/capabilities/default.json
+++ b/desktop/src-tauri/capabilities/default.json
@@ -10,6 +10,7 @@
     "core:window:allow-hide",
     "core:window:allow-show",
     "core:window:allow-set-focus",
+    "core:window:allow-set-title",
     "core:window:allow-start-dragging",
     "core:webview:allow-create-webview-window",
     "core:webview:allow-webview-close",
diff --git a/desktop/src-tauri/src/lib.rs b/desktop/src-tauri/src/lib.rs
index 00c58a8..964d8d3 100644
--- a/desktop/src-tauri/src/lib.rs
+++ b/desktop/src-tauri/src/lib.rs
@@ -21,6 +21,12 @@ pub fn run() {
         .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_opener::init())
         .setup(|app| {
+            let version = app.package_info().version.to_string();
+            let main_title = format!("GoldenChart (v{version})");
+            if let Some(w) = app.get_webview_window("main") {
+                let _ = w.set_title(&main_title);
+            }
+
             let show_i = MenuItemBuilder::with_id("show", "GoldenChart 열기").build(app)?;
             let quit_i = MenuItemBuilder::with_id("quit", "종료").build(app)?;
             let menu = MenuBuilder::new(app)
diff --git a/desktop/src/StartupUpdateGate.tsx b/desktop/src/StartupUpdateGate.tsx
index d51c0d4..7fd36b1 100644
--- a/desktop/src/StartupUpdateGate.tsx
+++ b/desktop/src/StartupUpdateGate.tsx
@@ -4,6 +4,7 @@ import {
   type DesktopUpdatePhase,
   type DesktopUpdateProgress,
 } from './bridge/updater';
+import { scheduleMainWindowTitleSync } from './setMainWindowTitle';
 import '@frontend/App.css';
 
 const PHASE_LABEL: Record<DesktopUpdatePhase, string> = {
@@ -143,6 +144,7 @@ export function StartupUpdateGate({ children }: { children: React.ReactNode }) {
       if (result.phase === 'error') {
         console.warn('[startup-update]', result.message);
       }
+      scheduleMainWindowTitleSync();
       setReady(true);
     });
 
diff --git a/desktop/src/bridge/installDesktopBridge.ts b/desktop/src/bridge/installDesktopBridge.ts
index 94af28e..ea95b69 100644
--- a/desktop/src/bridge/installDesktopBridge.ts
+++ b/desktop/src/bridge/installDesktopBridge.ts
@@ -1,6 +1,7 @@
 import { openWidgetWindow, closeWidgetWindow, focusWidgetWindow } from './widgetWindows';
 import { showNativeNotification } from './notifications';
 import { checkForUpdates, getAppVersion, runDesktopUpdate } from './updater';
+import { syncMainWindowTitle } from '../setMainWindowTitle';
 import type { DesktopBridge } from './types';
 
 /** frontend App 로드 전 호출 — window.__goldenDesktopBridge 등록 */
@@ -13,6 +14,7 @@ export function installDesktopBridge(): void {
     checkForUpdates,
     runDesktopUpdate,
     getAppVersion,
+    syncMainWindowTitle,
   };
   window.__goldenDesktopBridge = bridge;
 }
diff --git a/desktop/src/bridge/types.ts b/desktop/src/bridge/types.ts
index 6bf98cb..9cbd657 100644
--- a/desktop/src/bridge/types.ts
+++ b/desktop/src/bridge/types.ts
@@ -16,6 +16,7 @@ export interface DesktopBridge {
     onProgress?: (progress: DesktopUpdateProgress) => void,
   ) => Promise<DesktopUpdateResult>;
   getAppVersion: () => Promise<string>;
+  syncMainWindowTitle: () => Promise<string>;
 }
 
 declare global {
diff --git a/desktop/src/main.tsx b/desktop/src/main.tsx
index 672370c..7c0d352 100644
--- a/desktop/src/main.tsx
+++ b/desktop/src/main.tsx
@@ -4,6 +4,7 @@ import ReactDOM from 'react-dom/client';
 import { initStorage, refreshApiBaseFromStorage } from '@goldenchart/shared';
 import { installDesktopBridge } from './bridge/installDesktopBridge';
 import { ensureDesktopApiBase } from './ensureDesktopApiBase';
+import { scheduleMainWindowTitleSync, syncMainWindowTitle } from './setMainWindowTitle';
 import { StartupUpdateGate } from './StartupUpdateGate';
 import App from '@frontend/App';
 
@@ -13,6 +14,13 @@ async function bootstrap() {
   await initStorage();
   ensureDesktopApiBase();
   refreshApiBaseFromStorage();
+  document.documentElement.classList.add('desktop-client');
+  try {
+    await syncMainWindowTitle();
+  } catch {
+    /* 권한·타이밍 이슈 — scheduleMainWindowTitleSync 가 재시도 */
+  }
+  scheduleMainWindowTitleSync();
 
   ReactDOM.createRoot(document.getElementById('root')!).render(
     <React.StrictMode>
diff --git a/desktop/src/setMainWindowTitle.ts b/desktop/src/setMainWindowTitle.ts
new file mode 100644
index 0000000..afbb941
--- /dev/null
+++ b/desktop/src/setMainWindowTitle.ts
@@ -0,0 +1,40 @@
+import { getVersion } from '@tauri-apps/api/app';
+import { getCurrentWindow } from '@tauri-apps/api/window';
+
+const APP_NAME = 'GoldenChart';
+
+export function formatDesktopWindowTitle(version: string): string {
+  const v = version.trim();
+  return v ? `${APP_NAME} (v${v})` : APP_NAME;
+}
+
+/** macOS/Windows 네이티브 창 타이틀 — GoldenChart (vX.Y.Z) */
+export async function syncMainWindowTitle(): Promise<string> {
+  try {
+    const version = await getVersion();
+    const title = formatDesktopWindowTitle(version);
+    await getCurrentWindow().setTitle(title);
+    if (typeof document !== 'undefined') {
+      document.title = title;
+    }
+    return title;
+  } catch (e) {
+    console.warn('[desktop] syncMainWindowTitle failed:', e);
+    throw e;
+  }
+}
+
+/** WebView 로드 후 macOS가 document.title로 타이틀을 덮어쓸 수 있어 재시도 */
+export function scheduleMainWindowTitleSync(): void {
+  const delays = [0, 150, 600, 2000];
+  for (const ms of delays) {
+    window.setTimeout(() => {
+      void syncMainWindowTitle().catch(() => {});
+    }, ms);
+  }
+  void getCurrentWindow()
+    .listen('tauri://focus', () => {
+      void syncMainWindowTitle().catch(() => {});
+    })
+    .catch(() => {});
+}
diff --git a/desktop/src/vite-env.d.ts b/desktop/src/vite-env.d.ts
index 11f02fe..7ca71c4 100644
--- a/desktop/src/vite-env.d.ts
+++ b/desktop/src/vite-env.d.ts
@@ -1 +1,3 @@
 /// <reference types="vite/client" />
+
+declare const __DESKTOP_APP_VERSION__: string;
diff --git a/desktop/vite.config.ts b/desktop/vite.config.ts
index e8883be..c400b36 100644
--- a/desktop/vite.config.ts
+++ b/desktop/vite.config.ts
@@ -1,6 +1,7 @@
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 import path from 'path';
+import { readFileSync } from 'fs';
 import { fileURLToPath } from 'url';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -9,6 +10,16 @@ const sharedRoot = path.resolve(__dirname, '../packages/shared/src');
 
 const host = process.env.TAURI_DEV_HOST;
 
+function readDesktopAppVersion(): string {
+  try {
+    const confPath = path.resolve(__dirname, 'src-tauri/tauri.conf.json');
+    const conf = JSON.parse(readFileSync(confPath, 'utf8')) as { version?: string };
+    return String(conf.version ?? '0.0.0');
+  } catch {
+    return '0.0.0';
+  }
+}
+
 export default defineConfig({
   /** Tauri 패키지 앱 — 절대 경로(/assets) 사용 시 빈 화면 */
   base: './',
@@ -18,6 +29,7 @@ export default defineConfig({
     /** desktop은 항상 exdev 서버 (localhost 금지) */
     'import.meta.env.VITE_API_BASE_URL': JSON.stringify('http://exdev.co.kr/api'),
     __DESKTOP_CLIENT__: 'true',
+    __DESKTOP_APP_VERSION__: JSON.stringify(readDesktopAppVersion()),
   },
   envDir: __dirname,
   plugins: [react()],
diff --git a/frontend/src/App.css b/frontend/src/App.css
index f3d8c96..758a695 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -206,6 +206,11 @@ html.theme-blue {
   white-space: nowrap;
 }
 
+html.desktop-client .tmb-logo-text {
+  font-size: 13px;
+  font-weight: 600;
+}
+
 /* 구분선 */
 .tmb-divider {
   width: 1px;
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 43ee3cf..b0c897d 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -36,6 +36,7 @@ import type { LoginResponse } from './utils/backendApi';
 import { invalidateAppSettingsCache } from './hooks/useAppSettings';
 import { invalidateIndicatorSettingsCache } from './hooks/useIndicatorSettings';
 import { isDesktop } from './utils/platform';
+import { syncDesktopMainWindowTitle } from './utils/desktopBridge';
 import { writeDesktopSync } from './utils/desktopSync';
 
 const LAST_MENU_KEY = 'gc_last_menu';
@@ -513,6 +514,11 @@ function AppMainContent({
 
 function App() {
   const [sessionKey, setSessionKey] = useState(0);
+  useEffect(() => {
+    if (!isDesktop()) return;
+    void syncDesktopMainWindowTitle();
+  }, []);
+
   const [appEntered, setAppEnteredState] = useState(() => isAppEntered());
   const [authUser, setAuthUser] = useState<AuthSession | null>(() =>
     isAppEntered() ? getAuthSession() : null,
diff --git a/frontend/src/components/TopMenuBar.tsx b/frontend/src/components/TopMenuBar.tsx
index 9116de6..b04827d 100644
--- a/frontend/src/components/TopMenuBar.tsx
+++ b/frontend/src/components/TopMenuBar.tsx
@@ -10,6 +10,7 @@ import type { AuthSession } from '../utils/auth';
 import type { TradeAlertPopupLayout, TradeAlertPopupPosition } from '../utils/tradeAlertPopupLayout';
 import { canAccessMenu } from '../utils/permissions';
 import { isDesktop } from '../utils/platform';
+import { useDesktopAppTitle, formatDesktopAppLabel } from '../hooks/useDesktopAppTitle';
 import DesktopUpdateModal from './DesktopUpdateModal';
 import TopMenuBarNavGroups from './TopMenuBarNavGroups';
 
@@ -297,6 +298,7 @@ export const TopMenuBar = memo(function TopMenuBar({
   const [isFullscreen, setIsFullscreen] = useState(() => !!document.fullscreenElement);
   const [desktopUpdateOpen, setDesktopUpdateOpen] = useState(false);
   const desktopClient = isDesktop();
+  const desktopAppVersion = useDesktopAppTitle();
 
   useEffect(() => {
     const sync = () => setIsFullscreen(!!document.fullscreenElement);
@@ -317,7 +319,9 @@ export const TopMenuBar = memo(function TopMenuBar({
           <rect width="20" height="20" rx="4" fill="#2196f3"/>
           <polyline points="3,14 7,9 10,12 14,6 17,6" stroke="white" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" fill="none"/>
         </svg>
-        <span className="tmb-logo-text">GoldenChart</span>
+        <span className="tmb-logo-text">
+          {desktopClient ? formatDesktopAppLabel(desktopAppVersion) : 'GoldenChart'}
+        </span>
       </div>
 
       <div className="tmb-divider" />
diff --git a/frontend/src/hooks/useDesktopAppTitle.ts b/frontend/src/hooks/useDesktopAppTitle.ts
new file mode 100644
index 0000000..ae7f6b2
--- /dev/null
+++ b/frontend/src/hooks/useDesktopAppTitle.ts
@@ -0,0 +1,37 @@
+import { useEffect, useState } from 'react';
+import { isDesktop } from '../utils/platform';
+import { getDesktopAppVersion, syncDesktopMainWindowTitle } from '../utils/desktopBridge';
+
+declare const __DESKTOP_APP_VERSION__: string | undefined;
+
+function readBakedDesktopVersion(): string | null {
+  if (typeof __DESKTOP_APP_VERSION__ === 'undefined') return null;
+  const v = __DESKTOP_APP_VERSION__.trim();
+  return v || null;
+}
+
+/** Desktop — 네이티브 창 타이틀·document.title을 GoldenChart (vX.Y.Z) 로 맞춤 */
+export function useDesktopAppTitle(): string | null {
+  const [version, setVersion] = useState<string | null>(() =>
+    isDesktop() ? readBakedDesktopVersion() : null,
+  );
+
+  useEffect(() => {
+    if (!isDesktop()) return;
+    let cancelled = false;
+    void (async () => {
+      const v = (await getDesktopAppVersion()) ?? readBakedDesktopVersion();
+      if (cancelled || !v) return;
+      setVersion(v);
+      await syncDesktopMainWindowTitle();
+    })();
+    return () => { cancelled = true; };
+  }, []);
+
+  return version;
+}
+
+export function formatDesktopAppLabel(version: string | null | undefined): string {
+  if (!version?.trim()) return 'GoldenChart';
+  return `GoldenChart (v${version.trim()})`;
+}
diff --git a/frontend/src/styles/analysisReportPage.css b/frontend/src/styles/analysisReportPage.css
index 9c078ba..35cba8a 100644
--- a/frontend/src/styles/analysisReportPage.css
+++ b/frontend/src/styles/analysisReportPage.css
@@ -63,6 +63,8 @@
   overflow: hidden;
   padding: 10px 12px 12px;
   background: var(--se-center-bg, var(--se-bg));
+  width: 100%;
+  box-sizing: border-box;
 }
 
 /* 좌·중·우 패널 동일 높이 — flex 체인 */
@@ -193,6 +195,8 @@
   flex: 1;
   min-height: 0;
   height: 100%;
+  width: 100%;
+  max-width: none;
   display: flex;
   flex-direction: column;
   border-radius: 14px;
diff --git a/frontend/src/utils/desktopBridge.ts b/frontend/src/utils/desktopBridge.ts
index c06a2b3..ba7f263 100644
--- a/frontend/src/utils/desktopBridge.ts
+++ b/frontend/src/utils/desktopBridge.ts
@@ -37,6 +37,7 @@ export interface DesktopBridge {
     onProgress?: (progress: DesktopUpdateProgress) => void,
   ) => Promise<DesktopUpdateResult>;
   getAppVersion: () => Promise<string>;
+  syncMainWindowTitle: () => Promise<string>;
 }
 
 declare global {
@@ -85,3 +86,13 @@ export async function getDesktopAppVersion(): Promise<string | null> {
     return null;
   }
 }
+
+export async function syncDesktopMainWindowTitle(): Promise<string | null> {
+  const bridge = getDesktopBridge();
+  if (!bridge?.syncMainWindowTitle) return null;
+  try {
+    return await bridge.syncMainWindowTitle();
+  } catch {
+    return null;
+  }
+}