diff --git a/devfront/src/features/clients/ClientsPage.tsx b/devfront/src/features/clients/ClientsPage.tsx
index 630b7ade..aed8bb51 100644
--- a/devfront/src/features/clients/ClientsPage.tsx
+++ b/devfront/src/features/clients/ClientsPage.tsx
@@ -82,6 +82,7 @@ type RecentClientChange = {
 
 const recentClientChangesInitialCount = 5;
 const recentClientChangesBatchSize = 5;
+const clientListPreviewCount = 5;
 
 const recentClientActions = new Set([
   "CREATE_CLIENT",
@@ -316,6 +317,7 @@ function ClientsPage() {
   const [isRequestModalOpen, setIsRequestModalOpen] = useState(false);
   const [isRecentChangesGuideOpen, setIsRecentChangesGuideOpen] =
     useState(false);
+  const [isClientListExpanded, setIsClientListExpanded] = useState(false);
   const [visibleRecentClientChangesCount, setVisibleRecentClientChangesCount] =
     useState(recentClientChangesInitialCount);
   const [sortConfig, setSortConfig] =
@@ -425,6 +427,14 @@ function ClientsPage() {
   const authFailures = statsData?.auth_failures_24h ?? 0;
   const hasFilterResult = filteredClients.length > 0;
   const isFilteredOut = clients.length > 0 && !hasFilterResult;
+  const visibleClients = useMemo(() => {
+    if (isClientListExpanded) {
+      return filteredClients;
+    }
+
+    return filteredClients.slice(0, clientListPreviewCount);
+  }, [filteredClients, isClientListExpanded]);
+  const canToggleClientList = filteredClients.length > clientListPreviewCount;
   const currentTenant = tenants?.find(
     (tenant) => tenant.id === tenantId || tenant.slug === companyCode,
   );
@@ -784,15 +794,20 @@ function ClientsPage() {
           />
         </CardHeader>
         <CardContent className="pt-0">
-          <div className="grid gap-4 md:grid-cols-3">
+          <div className="grid gap-3 md:grid-cols-3">
             {stats.map((item) => (
-              <Card key={item.labelKey} className="border border-border/60">
-                <CardHeader className="pb-2">
+              <Card
+                key={item.labelKey}
+                className="border border-border/60 bg-background/70 shadow-none"
+              >
+                <CardHeader className="space-y-1 p-4">
                   <CardDescription>
                     {t(item.labelKey, item.labelFallback)}
                   </CardDescription>
-                  <div className="mt-1 flex items-baseline gap-2">
-                    <span className="text-3xl font-bold">{item.value}</span>
+                  <div className="flex items-baseline gap-2">
+                    <span className="text-2xl font-semibold tracking-tight">
+                      {item.value}
+                    </span>
                     <Badge
                       variant={
                         item.tone === "up"
@@ -802,7 +817,7 @@ function ClientsPage() {
                             : "muted"
                       }
                       className={cn(
-                        "px-2",
+                        "px-2 py-0.5 text-[11px]",
                         item.tone === "stable" && "bg-muted/40 text-foreground",
                       )}
                     >
@@ -954,7 +969,7 @@ function ClientsPage() {
                       </TableCell>
                     </TableRow>
                   )}
-                  {filteredClients.map((client) => (
+                  {visibleClients.map((client) => (
                     <TableRow key={client.id}>
                       <TableCell>
                         <Link
@@ -1039,6 +1054,33 @@ function ClientsPage() {
               </Table>
             </div>
           </div>
+          {canToggleClientList ? (
+            <div className="mt-4 flex justify-center">
+              <Button
+                type="button"
+                variant="outline"
+                size="sm"
+                aria-label={
+                  isClientListExpanded
+                    ? t(
+                        "ui.dev.clients.list.collapse_aria",
+                        "연동 앱 목록 접기",
+                      )
+                    : t(
+                        "ui.dev.clients.list.more_aria",
+                        "연동 앱 목록 더보기",
+                      )
+                }
+                onClick={() =>
+                  setIsClientListExpanded((current) => !current)
+                }
+              >
+                {isClientListExpanded
+                  ? t("ui.common.collapse", "접기")
+                  : t("ui.common.load_more", "더보기")}
+              </Button>
+            </div>
+          ) : null}
         </CardContent>
       </Card>
 
diff --git a/devfront/tests/clients.spec.ts b/devfront/tests/clients.spec.ts
index 157e10d2..9777876f 100644
--- a/devfront/tests/clients.spec.ts
+++ b/devfront/tests/clients.spec.ts
@@ -100,6 +100,59 @@ test("clients page shows recent RP changes", async ({ page }) => {
   ).toBeVisible();
 });
 
+test("clients page shows only five apps by default and expands with more button", async ({
+  page,
+}) => {
+  await seedAuth(page, "super_admin");
+  const clients = Array.from({ length: 6 }, (_, index) =>
+    makeClient(`client-${index + 1}`, {
+      name: `Preview App ${index + 1}`,
+      createdAt: new Date(
+        Date.UTC(2026, 2, 3, 9, 10 - index, 0),
+      ).toISOString(),
+    }),
+  );
+
+  await installDevApiMock(page, {
+    clients,
+    consents: [] as Consent[],
+    auditLogs: [] as AuditLog[],
+    auditLogsByCursor: undefined,
+  });
+
+  await page.goto("/clients");
+  await expect(
+    page.getByRole("heading", { name: "연동 앱 목록" }),
+  ).toBeVisible();
+  await expect(
+    page.locator("table").first().locator("tbody tr").filter({
+      hasText: /Preview App \d/,
+    }),
+  ).toHaveCount(5);
+  await expect(
+    page.getByText("Preview App 6", { exact: true }),
+  ).not.toBeVisible();
+
+  const moreButton = page.getByRole("button", {
+    name: "연동 앱 목록 더보기",
+  });
+  await expect(moreButton).toBeVisible();
+  await expect(moreButton).toHaveCount(1);
+  await moreButton.click();
+
+  await expect(
+    page.locator("table").first().locator("tbody tr").filter({
+      hasText: /Preview App \d/,
+    }),
+  ).toHaveCount(6);
+  await expect(
+    page.getByText("Preview App 6", { exact: true }),
+  ).toBeVisible();
+  await expect(
+    page.getByRole("button", { name: "연동 앱 목록 더보기" }),
+  ).toHaveCount(0);
+});
+
 test("clients page shows user-delete relation cleanup in recent changes", async ({
   page,
 }) => {