diff --git a/apps/web/src/app/application-access-boundary.tsx b/apps/web/src/app/application-access-boundary.tsx
index 40d6b2e..5b802a1 100644
--- a/apps/web/src/app/application-access-boundary.tsx
+++ b/apps/web/src/app/application-access-boundary.tsx
@@ -14,12 +14,16 @@ type ApplicationAccessBoundaryProps = {
 export function ApplicationAccessBoundary({
   children,
 }: ApplicationAccessBoundaryProps) {
-  const currentUser = useCurrentUser();
-
   if (isGuestSession()) {
     return children({ kind: 'guest' });
   }
 
+  return <RegisteredUserAccess>{children}</RegisteredUserAccess>;
+}
+
+function RegisteredUserAccess({ children }: ApplicationAccessBoundaryProps) {
+  const currentUser = useCurrentUser();
+
   if (currentUser.authenticationStatus === 'loading') {
     return <AccessStatus message="Checking your session…" />;
   }
diff --git a/apps/web/src/app/application-shell.test.tsx b/apps/web/src/app/application-shell.test.tsx
index 8778db2..dd64b05 100644
--- a/apps/web/src/app/application-shell.test.tsx
+++ b/apps/web/src/app/application-shell.test.tsx
@@ -1,19 +1,29 @@
 // Verifies the application shell exposes accessible responsive navigation and active state.
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
-import { RouterProvider } from '@tanstack/react-router';
+import {
+  createMemoryHistory,
+  createRootRoute,
+  createRoute,
+  createRouter,
+  Outlet,
+  RouterProvider,
+} from '@tanstack/react-router';
 import { cleanup, render, screen, within } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import { afterEach, describe, expect, it } from 'vitest';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 
 import {
   isGuestSession,
   startGuestSession,
 } from '../features/auth/guest-session';
 import { router } from '../router';
+import { createPublicUser } from '../test/fixtures/public-user.fixture';
+import { ApplicationShell } from './application-shell';
 
 afterEach(() => {
   cleanup();
   sessionStorage.clear();
+  vi.unstubAllGlobals();
 });
 
 describe('application shell', () => {
@@ -21,7 +31,9 @@ describe('application shell', () => {
     const user = userEvent.setup();
     await router.navigate({ to: '/dashboard' });
     startGuestSession();
-    const queryClient = new QueryClient();
+    const queryClient = new QueryClient({
+      defaultOptions: { queries: { retry: false } },
+    });
     render(
       <QueryClientProvider client={queryClient}>
         <RouterProvider router={router} />
@@ -74,4 +86,41 @@ describe('application shell', () => {
       await screen.findByRole('heading', { name: 'Train with purpose.' }),
     ).toBeVisible();
   });
+
+  it('exposes registered sign out from the profile menu', async () => {
+    const user = userEvent.setup();
+    const publicUser = createPublicUser();
+    const onLogout = vi.fn();
+    const rootRoute = createRootRoute({ component: Outlet });
+    const dashboardRoute = createRoute({
+      getParentRoute: () => rootRoute,
+      path: '/dashboard',
+      component: () => (
+        <ApplicationShell
+          identity={{ kind: 'user', user: publicUser }}
+          onLogout={onLogout}
+        >
+          <h1>Dashboard</h1>
+        </ApplicationShell>
+      ),
+    });
+    const testRouter = createRouter({
+      history: createMemoryHistory({ initialEntries: ['/dashboard'] }),
+      routeTree: rootRoute.addChildren([dashboardRoute]),
+    });
+
+    render(<RouterProvider router={testRouter} />);
+
+    expect(
+      await screen.findByRole('heading', { name: 'Dashboard' }),
+    ).toBeVisible();
+
+    const profileMenus = screen.getAllByRole('button', {
+      name: 'Open profile menu',
+    });
+    await user.click(profileMenus[0]!);
+    await user.click(screen.getByRole('menuitem', { name: 'Sign out' }));
+
+    expect(onLogout).toHaveBeenCalledOnce();
+  });
 });
diff --git a/apps/web/src/app/application-shell.tsx b/apps/web/src/app/application-shell.tsx
index 045d524..1b3f1fc 100644
--- a/apps/web/src/app/application-shell.tsx
+++ b/apps/web/src/app/application-shell.tsx
@@ -26,12 +26,14 @@ type ApplicationShellProps = {
   children: ReactNode;
   identity: ApplicationIdentity;
   onExitGuest?: () => void;
+  onLogout?: () => void;
 };
 
 export function ApplicationShell({
   children,
   identity,
   onExitGuest,
+  onLogout,
 }: ApplicationShellProps) {
   return (
     <div
@@ -47,6 +49,7 @@ export function ApplicationShell({
           className="border-t px-5 py-5"
           identity={identity}
           onExitGuest={onExitGuest}
+          onLogout={onLogout}
         />
       </aside>
 
@@ -64,6 +67,7 @@ export function ApplicationShell({
             compact
             identity={identity}
             onExitGuest={onExitGuest}
+            onLogout={onLogout}
           />
         </header>
         <main
@@ -94,6 +98,7 @@ type IdentitySummaryProps = {
   className?: string;
   compact?: boolean;
   onExitGuest?: () => void;
+  onLogout?: () => void;
 };
 
 function IdentitySummary({
@@ -101,6 +106,7 @@ function IdentitySummary({
   compact = false,
   identity,
   onExitGuest,
+  onLogout,
 }: IdentitySummaryProps) {
   const [isMenuOpen, setIsMenuOpen] = useState(false);
 
@@ -111,8 +117,9 @@ function IdentitySummary({
   const detail = isGuest ? 'Progress is temporary' : identity.user.email;
   const avatarUrl = isGuest ? null : identity.user.avatarUrl;
 
-  const shouldShowGuestMenu =
-    isMenuOpen && isGuest && onExitGuest !== undefined;
+  const menuAction = isGuest ? onExitGuest : onLogout;
+  const menuLabel = isGuest ? 'Exit guest' : 'Sign out';
+  const shouldShowIdentityMenu = isMenuOpen && menuAction !== undefined;
 
   return (
     <section
@@ -151,7 +158,7 @@ function IdentitySummary({
         </div>
       </button>
 
-      {shouldShowGuestMenu && (
+      {shouldShowIdentityMenu && (
         <div
           className={cn(
             'absolute z-40 min-w-44 rounded-md border bg-surface p-1 shadow-lg',
@@ -167,12 +174,12 @@ function IdentitySummary({
               'transition-colors hover:bg-accent',
               'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring',
             )}
-            onClick={onExitGuest}
+            onClick={menuAction}
             role="menuitem"
             type="button"
           >
             <LogOut aria-hidden="true" className="size-4" />
-            <span>Exit guest</span>
+            <span>{menuLabel}</span>
           </button>
         </div>
       )}
diff --git a/apps/web/src/routes/_app.tsx b/apps/web/src/routes/_app.tsx
index 7fa9bc4..036050d 100644
--- a/apps/web/src/routes/_app.tsx
+++ b/apps/web/src/routes/_app.tsx
@@ -5,6 +5,7 @@ import { ApplicationAccessBoundary } from '../app/application-access-boundary';
 import { ApplicationIdentityContext } from '../app/application-identity';
 import { ApplicationShell } from '../app/application-shell';
 import { clearGuestSession } from '../features/auth/guest-session';
+import { useLogoutMutation } from '../features/auth/logout.mutation';
 
 export const Route = createFileRoute('/_app')({
   component: ProtectedApplicationLayout,
@@ -12,12 +13,17 @@ export const Route = createFileRoute('/_app')({
 
 function ProtectedApplicationLayout() {
   const navigate = useNavigate();
+  const logoutMutation = useLogoutMutation();
 
   function exitGuest() {
     clearGuestSession();
     void navigate({ to: '/', replace: true });
   }
 
+  function logoutUser() {
+    logoutMutation.mutate();
+  }
+
   return (
     <ApplicationAccessBoundary>
       {(identity) => (
@@ -25,6 +31,7 @@ function ProtectedApplicationLayout() {
           <ApplicationShell
             identity={identity}
             onExitGuest={identity.kind === 'guest' ? exitGuest : undefined}
+            onLogout={identity.kind === 'user' ? logoutUser : undefined}
           >
             <Outlet />
           </ApplicationShell>