diff --git a/.vscode/settings.json b/.vscode/settings.json
index 9ddf6b2..34096c2 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,4 @@
 {
-    "cmake.ignoreCMakeListsMissing": true
+    "cmake.ignoreCMakeListsMissing": true,
+    "java.configuration.updateBuildConfiguration": "disabled"
 }
\ No newline at end of file
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index e875a60..91dfe0d 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,7 +1,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-
+    <uses-permission android:name="android.permission.USE_BIOMETRIC"/>
+    
     <application
         android:label="QuickSSH"
         android:name="${applicationName}"
@@ -33,6 +34,9 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+        <meta-data
+            android:name="com.google.android.gms.ads.APPLICATION_ID"
+            android:value="ca-app-pub-2626773788355001~4397436505"/>
     </application>
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and
diff --git a/android/app/src/main/kotlin/com/example/quick_ssh/MainActivity.kt b/android/app/src/main/kotlin/com/example/quick_ssh/MainActivity.kt
index 78e93fa..d86e627 100644
--- a/android/app/src/main/kotlin/com/example/quick_ssh/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/example/quick_ssh/MainActivity.kt
@@ -1,5 +1,6 @@
 package com.example.quick_ssh
 
-import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.android.FlutterFragmentActivity 
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterFragmentActivity(){
+}
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index cb1ef88..0378a80 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -1,18 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
-    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
-        <!-- Show a splash screen on the activity. Automatically removed when
-             the Flutter engine draws its first frame -->
+    <style name="LaunchTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
-    <!-- Theme applied to the Android Window as soon as the process has started.
-         This theme determines the color of the Android Window while your
-         Flutter UI initializes, as well as behind your Flutter UI while its
-         running.
 
-         This Theme is only used starting with V2 of Flutter's Android embedding. -->
-    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+    <style name="NormalTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
-</resources>
+</resources>
\ No newline at end of file
diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist
index 71364bc..881d5bf 100644
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@@ -45,5 +45,8 @@
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>NSFaceIDUsageDescription</key>
+	<string>QuickSSH needs FaceID to protect your terminal access.</string>
 </dict>
+
 </plist>
diff --git a/lib/main.dart b/lib/main.dart
index 2f3ef60..31aa622 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -7,7 +7,13 @@ import 'package:QuickSSH/services/theme_controller.dart';
 final themeController = ThemeController();
 final settingsController = SettingsController();
 
-void main() {
+final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+
+  await settingsController.initializationFuture;
+
   runApp(MyApp());
 }
 
@@ -22,6 +28,8 @@ class MyApp extends StatelessWidget {
         return MaterialApp(
           title: 'Quick SSH',
 
+          navigatorKey: navigatorKey,
+
           theme: MyThemes.lightTheme,
           darkTheme: MyThemes.darkTheme,
           themeMode: themeController.themeMode,
diff --git a/lib/screens/home_screen.dart b/lib/screens/home_screen.dart
index 4c58853..5a7407b 100644
--- a/lib/screens/home_screen.dart
+++ b/lib/screens/home_screen.dart
@@ -5,6 +5,9 @@ import 'add_client.dart';
 import 'package:QuickSSH/classes/ServerCommand.dart';
 import 'package:QuickSSH/services/storage_service.dart';
 import 'package:QuickSSH/screens/settings.dart';
+import 'package:flutter/services.dart';
+import 'package:QuickSSH/main.dart';
+import 'package:QuickSSH/widgets/ad_banner.dart';
 
 class HomeScreen extends StatefulWidget {
   const HomeScreen({super.key});
@@ -20,6 +23,13 @@ class _HomeScreenState extends State<HomeScreen> {
   void initState() {
     super.initState();
     _loadData();
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
+      bool allowed = await settingsController.checkSecurity();
+
+      if (!allowed) {
+        SystemNavigator.pop();
+      }
+    });
   }
 
   void _loadData() async {
@@ -106,6 +116,9 @@ class _HomeScreenState extends State<HomeScreen> {
           );
         },
       ),
+      bottomNavigationBar: SafeArea(
+        child: MyBannerAd(isEnabled: settingsController.adsEnabled),
+      ),
       backgroundColor: theme.surface,
     );
   }
@@ -151,7 +164,9 @@ class _HomeScreenState extends State<HomeScreen> {
   _openSettings() {
     Navigator.push(
       context,
-      MaterialPageRoute(builder: (context) => const Settings()),
-    );
+      MaterialPageRoute(builder: (context) => Settings()),
+    ).then((_) {
+      setState(() {});
+    });
   }
 }
diff --git a/lib/screens/settings.dart b/lib/screens/settings.dart
index d84b621..128587f 100644
--- a/lib/screens/settings.dart
+++ b/lib/screens/settings.dart
@@ -115,6 +115,64 @@ class _SettingsState extends State<Settings> {
                     ),
                   ],
                 ),
+                SizedBox(height: 20),
+                Row(
+                  children: [
+                    Expanded(
+                      child: Text(
+                        "Biometric Unlock",
+                        style: TextStyle(
+                          fontWeight: FontWeight.bold,
+                          fontSize: 20,
+                          color: theme.onSurface,
+                        ),
+                      ),
+                    ),
+                    Expanded(
+                      child: Switch(
+                        activeTrackColor: theme.primary,
+                        activeThumbColor: theme.onPrimary,
+                        inactiveThumbColor: theme.onSurface,
+                        inactiveTrackColor: theme.surface,
+                        value: settingsController.biometricEnabled,
+                        onChanged: (bool value) {
+                          settingsController.toggleBiometric(value);
+                          if (value) HapticFeedback.mediumImpact();
+                          setState(() {});
+                        },
+                      ),
+                    ),
+                  ],
+                ),
+                SizedBox(height: 20),
+                Row(
+                  children: [
+                    Expanded(
+                      child: Text(
+                        "Enable Ads",
+                        style: TextStyle(
+                          fontWeight: FontWeight.bold,
+                          fontSize: 20,
+                          color: theme.onSurface,
+                        ),
+                      ),
+                    ),
+                    Expanded(
+                      child: Switch(
+                        activeTrackColor: theme.primary,
+                        activeThumbColor: theme.onPrimary,
+                        inactiveThumbColor: theme.onSurface,
+                        inactiveTrackColor: theme.surface,
+                        value: settingsController.adsEnabled,
+                        onChanged: (bool value) {
+                          settingsController.toggleAds(value);
+                          if (value) HapticFeedback.mediumImpact();
+                          setState(() {});
+                        },
+                      ),
+                    ),
+                  ],
+                ),
               ],
             ),
           ),
diff --git a/lib/services/settings_controller.dart b/lib/services/settings_controller.dart
index 3d2a9af..807116e 100644
--- a/lib/services/settings_controller.dart
+++ b/lib/services/settings_controller.dart
@@ -1,25 +1,71 @@
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:local_auth/local_auth.dart';
 
 class SettingsController extends ChangeNotifier {
   bool _vibrationEnabled = true;
   bool get vibrationEnabled => _vibrationEnabled;
 
+  bool _biometricEnabled = false;
+  bool get biometricEnabled => _biometricEnabled;
+
+  bool _adsEnabled = true;
+  bool get adsEnabled => _adsEnabled;
+
+  final LocalAuthentication auth = LocalAuthentication();
+
+  late Future<void> initializationFuture;
+
   SettingsController() {
-    _loadSettings();
+    initializationFuture = _loadSettings();
   }
 
   Future<void> _loadSettings() async {
     final prefs = await SharedPreferences.getInstance();
     _vibrationEnabled = prefs.getBool('vibration_enabled') ?? true;
+    _biometricEnabled = prefs.getBool('biometric_enabled') ?? false;
+    _adsEnabled = prefs.getBool('ads_enabled') ?? true;
     notifyListeners();
   }
 
   Future<void> toggleVibration(bool value) async {
-    print("Toggling vibration to: $value");
     _vibrationEnabled = value;
     final prefs = await SharedPreferences.getInstance();
     await prefs.setBool('vibration_enabled', value);
     notifyListeners();
   }
+
+  Future<void> toggleBiometric(bool value) async {
+    _biometricEnabled = value;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('biometric_enabled', value);
+    notifyListeners();
+  }
+
+  Future<void> toggleAds(bool value) async {
+    _adsEnabled = value;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('ads_enabled', value);
+    notifyListeners();
+  }
+
+  Future<bool> checkSecurity() async {
+    await initializationFuture;
+
+    if (!_biometricEnabled) return true;
+
+    bool canCheck = await auth.canCheckBiometrics;
+    bool isSupported = await auth.isDeviceSupported();
+
+    if (!canCheck && !isSupported) return true;
+
+    try {
+      return await auth.authenticate(
+        localizedReason: 'Unlock QuickSSH',
+        biometricOnly: false,
+      );
+    } catch (e) {
+      return false;
+    }
+  }
 }
diff --git a/lib/widgets/ad_banner.dart b/lib/widgets/ad_banner.dart
new file mode 100644
index 0000000..8f1bdfd
--- /dev/null
+++ b/lib/widgets/ad_banner.dart
@@ -0,0 +1,58 @@
+import 'package:google_mobile_ads/google_mobile_ads.dart';
+import 'package:flutter/material.dart';
+
+class MyBannerAd extends StatefulWidget {
+  final bool isEnabled;
+  const MyBannerAd({super.key, required this.isEnabled});
+
+  @override
+  State<MyBannerAd> createState() => _MyBannerAdState();
+}
+
+class _MyBannerAdState extends State<MyBannerAd> {
+  BannerAd? _bannerAd;
+  bool _isLoaded = false;
+  bool _isInitializing = false;
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.isEnabled) {
+      _loadAd();
+    }
+  }
+
+  void _loadAd() async {
+    _bannerAd = BannerAd(
+      adUnitId: 'ca-app-pub-2626773788355001/7557216229',
+      request: const AdRequest(),
+      size: AdSize.banner,
+      listener: BannerAdListener(
+        onAdLoaded: (ad) => setState(() => _isLoaded = true),
+        onAdFailedToLoad: (ad, error) {
+          ad.dispose();
+          print('Ad failed to load: $error');
+        },
+      ),
+    )..load();
+  }
+
+  @override
+  void dispose() {
+    _bannerAd?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (!widget.isEnabled || !_isLoaded || _bannerAd == null) {
+      return const SizedBox.shrink();
+    }
+    return Container(
+      alignment: Alignment.center,
+      width: double.infinity,
+      height: _bannerAd!.size.height.toDouble(),
+      child: AdWidget(ad: _bannerAd!),
+    );
+  }
+}
diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift
index 37cc413..4daa34a 100644
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -9,10 +9,12 @@ import flutter_secure_storage_macos
 import local_auth_darwin
 import path_provider_foundation
 import shared_preferences_foundation
+import webview_flutter_wkwebview
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   LocalAuthPlugin.register(with: registry.registrar(forPlugin: "LocalAuthPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  WebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "WebViewFlutterPlugin"))
 }
diff --git a/pubspec.lock b/pubspec.lock
index 9433154..fa3fe6f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -224,6 +224,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  google_mobile_ads:
+    dependency: "direct main"
+    description:
+      name: google_mobile_ads
+      sha256: "0d4a3744b5e8ed1b8be6a1b452d309f811688855a497c6113fc4400f922db603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.1"
   image:
     dependency: transitive
     description:
@@ -292,26 +300,26 @@ packages:
     dependency: "direct main"
     description:
       name: local_auth
-      sha256: "434d854cf478f17f12ab29a76a02b3067f86a63a6d6c4eb8fbfdcfe4879c1b7b"
+      sha256: a4f1bf57f0236a4aeb5e8f0ec180e197f4b112a3456baa6c1e73b546630b0422
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "3.0.0"
   local_auth_android:
     dependency: transitive
     description:
       name: local_auth_android
-      sha256: a0bdfcc0607050a26ef5b31d6b4b254581c3d3ce3c1816ab4d4f4a9173e84467
+      sha256: "162b8e177fd9978c4620da2a8002a5c6bed4d20f0c6daf5137e72e9a8b767d2e"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.56"
+    version: "2.0.4"
   local_auth_darwin:
     dependency: transitive
     description:
       name: local_auth_darwin
-      sha256: "699873970067a40ef2f2c09b4c72eb1cfef64224ef041b3df9fdc5c4c1f91f49"
+      sha256: "668ea65edaab17380956e9713f57e34f78ede505ca0cfd8d39db34e2f260bfee"
       url: "https://pub.dev"
     source: hosted
-    version: "1.6.1"
+    version: "2.0.1"
   local_auth_platform_interface:
     dependency: transitive
     description:
@@ -324,10 +332,10 @@ packages:
     dependency: transitive
     description:
       name: local_auth_windows
-      sha256: bc4e66a29b0fdf751aafbec923b5bed7ad6ed3614875d8151afe2578520b2ab5
+      sha256: be12c5b8ba5e64896983123655c5f67d2484ecfcc95e367952ad6e3bff94cb16
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.11"
+    version: "2.0.1"
   matcher:
     dependency: transitive
     description:
@@ -597,6 +605,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  webview_flutter:
+    dependency: transitive
+    description:
+      name: webview_flutter
+      sha256: a3da219916aba44947d3a5478b1927876a09781174b5a2b67fa5be0555154bf9
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.13.1"
+  webview_flutter_android:
+    dependency: transitive
+    description:
+      name: webview_flutter_android
+      sha256: eeeb3fcd5f0ff9f8446c9f4bbc18a99b809e40297528a3395597d03aafb9f510
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.10.11"
+  webview_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: webview_flutter_platform_interface
+      sha256: "63d26ee3aca7256a83ccb576a50272edd7cfc80573a4305caa98985feb493ee0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.14.0"
+  webview_flutter_wkwebview:
+    dependency: transitive
+    description:
+      name: webview_flutter_wkwebview
+      sha256: "0412b657a2828fb301e73509909e6ec02b77cd2b441ae9f77125d482b3ddf0e7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.23.6"
   win32:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index f417d4e..c9bc01c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -33,7 +33,8 @@ dependencies:
   shared_preferences: ^2.5.0
   dartssh2: ^2.0.0
   flutter_secure_storage: ^9.2.2
-  local_auth: ^2.3.0
+  local_auth: ^3.0.0
+  google_mobile_ads: ^5.1.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.