diff --git a/iosApp/iosApp/RootView.swift b/iosApp/iosApp/RootView.swift
new file mode 100644
index 0000000..dd3ff19
--- /dev/null
+++ b/iosApp/iosApp/RootView.swift
@@ -0,0 +1,66 @@
+import SwiftUI
+import ComposeApp
+
+/// Shared authentication state manager
+class AuthenticationManager: ObservableObject {
+    static let shared = AuthenticationManager()
+
+    @Published var isAuthenticated: Bool = false
+    private let sharedViewModel: ComposeApp.AuthViewModel
+
+    private init() {
+        self.sharedViewModel = ComposeApp.AuthViewModel()
+        checkAuthenticationStatus()
+    }
+
+    func checkAuthenticationStatus() {
+        // Simple check: if token exists, user is authenticated
+        if let token = TokenStorage.shared.getToken(), !token.isEmpty {
+            isAuthenticated = true
+
+            // CRITICAL: Initialize lookups if user is already logged in
+            // Without this, lookups won't load on app launch for returning users
+            Task {
+                do {
+                    _ = try await APILayer.shared.initializeLookups()
+                    print("✅ Lookups initialized on app launch for authenticated user")
+                } catch {
+                    print("❌ Failed to initialize lookups on app launch: \(error)")
+                }
+            }
+        } else {
+            isAuthenticated = false
+        }
+    }
+
+    func login() {
+        isAuthenticated = true
+    }
+
+    func logout() {
+        // Call shared ViewModel logout
+        sharedViewModel.logout()
+
+        // Clear token from storage
+        TokenStorage.shared.clearToken()
+
+        // Clear lookups data on logout via DataCache
+        DataCache.shared.clearLookups()
+
+        // Clear all cached data
+        DataCache.shared.clearAll()
+
+        // Update authentication state
+        isAuthenticated = false
+
+        print("AuthenticationManager: Logged out - all state reset")
+    }
+}
+
+/// Root view that always shows the main app, with login presented as a modal when needed
+struct RootView: View {
+    
+    var body: some View {
+        MainTabView()
+    }
+}
diff --git a/iosApp/iosApp/iOSApp.swift b/iosApp/iosApp/iOSApp.swift
index 07486b8..479ac09 100644
--- a/iosApp/iosApp/iOSApp.swift
+++ b/iosApp/iosApp/iOSApp.swift
@@ -13,7 +13,7 @@ struct iOSApp: App {
 
     var body: some Scene {
         WindowGroup {
-            LoginView(resetToken: $deepLinkResetToken)
+            RootView()
                 .onOpenURL { url in
                     handleDeepLink(url: url)
                 }
@@ -41,4 +41,4 @@ struct iOSApp: App {
             print("No token found in deep link")
         }
     }
-}
\ No newline at end of file
+}