diff --git a/components/layout/sidebar-apps-modal.tsx b/components/layout/sidebar-apps-modal.tsx
index f451e4b6..3273a29e 100644
--- a/components/layout/sidebar-apps-modal.tsx
+++ b/components/layout/sidebar-apps-modal.tsx
@@ -18,6 +18,7 @@ interface SidebarAppFormData {
   url: string;
   icon: string;
   openMode: 'tab' | 'inline';
+  showOnMobile: boolean;
 }
 
 function SidebarAppForm({
@@ -37,6 +38,7 @@ function SidebarAppForm({
     url: app?.url || '',
     icon: app?.icon || 'Globe',
     openMode: app?.openMode || 'tab',
+    showOnMobile: app?.showOnMobile ?? false,
   });
   const [errors, setErrors] = useState<Record<string, string>>({});
 
diff --git a/stores/settings-store.ts b/stores/settings-store.ts
index ff8eca7c..ab4092a9 100644
--- a/stores/settings-store.ts
+++ b/stores/settings-store.ts
@@ -45,6 +45,7 @@ export interface SidebarApp {
   url: string;
   icon: string;       // Lucide icon name (e.g. 'Globe', 'Rss')
   openMode: 'tab' | 'inline'; // Open in new tab or embed inline
+  showOnMobile: boolean;
 }
 
 // Available color palette for keywords
@@ -106,6 +107,9 @@ interface SettingsState {
   sessionTimeout: number; // minutes (0 = never)
   trustedSenders: string[]; // Email addresses that can load external content
 
+  // Calendar
+  showTimeInMonthView: boolean;
+
   // Calendar Notifications
   calendarNotificationsEnabled: boolean;
   calendarNotificationSound: boolean;
@@ -201,6 +205,9 @@ const DEFAULT_SETTINGS = {
   sessionTimeout: 0, // Never
   trustedSenders: [] as string[],
 
+  // Calendar
+  showTimeInMonthView: false,
+
   // Calendar Notifications
   calendarNotificationsEnabled: true,
   calendarNotificationSound: true,
@@ -284,6 +291,7 @@ export const useSettingsStore = create<SettingsState>()(
           calendarNotificationsEnabled: state.calendarNotificationsEnabled,
           calendarNotificationSound: state.calendarNotificationSound,
           calendarInvitationParsingEnabled: state.calendarInvitationParsingEnabled,
+          showTimeInMonthView: state.showTimeInMonthView,
           toolbarPosition: state.toolbarPosition,
           senderFavicons: state.senderFavicons,
           folderIcons: state.folderIcons,