diff --git a/dashboard/src/components/AppInstallDialog.vue b/dashboard/src/components/AppInstallDialog.vue
index f20b1fbbb..574355ed0 100644
--- a/dashboard/src/components/AppInstallDialog.vue
+++ b/dashboard/src/components/AppInstallDialog.vue
@@ -1,6 +1,6 @@
 <script setup>
 
-import { ref, computed, useTemplateRef, onMounted } from 'vue';
+import { ref, computed, useTemplateRef, onMounted, inject } from 'vue';
 import { marked } from 'marked';
 import { Button, Dialog, SingleSelect, FormGroup, TextInput, InputGroup } from 'pankow';
 import { prettyDate, prettyBinarySize } from 'pankow/utils';
@@ -20,6 +20,8 @@ const domainsModel = DomainsModel.create();
 const appsModel = AppsModel.create();
 const dashboardModel = DashboardModel.create();
 
+const subscriptionRequiredDialog = inject('subscriptionRequiredDialog');
+
 // reactive
 const busy = ref(false);
 const formError = ref({});
@@ -44,7 +46,15 @@ const formValid = computed(() => {
   return true;
 });
 
+const appMaxCountExceeded = ref(false);
+
 function setStep(newStep) {
+  if (newStep === STEP.INSTALL && appMaxCountExceeded.value) {
+    dialog.value.close();
+    subscriptionRequiredDialog.value.open();
+    return;
+  }
+
   step.value = newStep;
   if (newStep === STEP.INSTALL) setTimeout(() => locationInput.value.$el.focus(), 500);
 }
@@ -138,9 +148,10 @@ onMounted(async () => {
 });
 
 defineExpose({
-  open(a) {
+  open(a, appCountExceeded) {
     step.value = STEP.DETAILS;
     app.value = a;
+    appMaxCountExceeded.value = appCountExceeded;
     manifest.value = a.manifest;
 
     tcpPorts.value = a.manifest.tcpPorts;
diff --git a/dashboard/src/views/AppstoreView.vue b/dashboard/src/views/AppstoreView.vue
index e2700b1ef..f4848deaf 100644
--- a/dashboard/src/views/AppstoreView.vue
+++ b/dashboard/src/views/AppstoreView.vue
@@ -4,14 +4,16 @@ import { useI18n } from 'vue-i18n';
 const i18n = useI18n();
 const t = i18n.t;
 
-import { ref, computed, useTemplateRef, onMounted } from 'vue';
+import { ref, computed, useTemplateRef, onMounted, inject } from 'vue';
 import { Button, TextInput, Spinner, InputDialog } from 'pankow';
+import AppsModel from '../models/AppsModel.js';
 import AppstoreModel from '../models/AppstoreModel.js';
 import AppInstallDialog from '../components/AppInstallDialog.vue';
 import ApplinkDialog from '../components/ApplinkDialog.vue';
 import AppStoreItem from '../components/AppStoreItem.vue';
 import { PROXY_APP_ID } from '../constants.js';
 
+const appsModel = AppsModel.create();
 const appstoreModel = AppstoreModel.create();
 
 const ready = ref(false);
@@ -40,6 +42,8 @@ const appInstallDialog = useTemplateRef('appInstallDialog');
 const searchInput = useTemplateRef('searchInput');
 const applinkDialog = useTemplateRef('applinkDialog');
 const inputDialog = useTemplateRef('inputDialog');
+const features = inject('features');
+const installedApps = ref([]);
 
 function onAppInstallDialogClose() {
   window.location.href = '#/appstore';
@@ -55,7 +59,7 @@ function onApplinkDialogSuccess() {
 
 function onInstall(app) {
   window.location.href = `#/appstore/${app.manifest.id}?version=${app.manifest.version}`;
-  appInstallDialog.value.open(app);
+  appInstallDialog.value.open(app, installedApps.value.length >= features.value.appMaxCount);
 }
 
 async function getAppList() {
@@ -75,7 +79,15 @@ async function getApp(id, version = '') {
   return result;
 }
 
+async function getInstalledApps() {
+  const [error, result] = await appsModel.list();
+  if (error) return console.error(error);
+
+  installedApps.value = result;
+}
+
 onMounted(async () => {
+  await getInstalledApps();
   await getAppList();
   ready.value = true;
 
@@ -87,7 +99,7 @@ onMounted(async () => {
 
     const app = await getApp(appId, version);
     if (app) {
-      appInstallDialog.value.open(app);
+      appInstallDialog.value.open(app, installedApps.value.length >= features.value.appMaxCount);
     } else {
       inputDialog.value.info({
         title: t('appstore.appNotFoundDialog.title'),