diff --git a/packages/app/integration_test/screenshot_test.dart b/packages/app/integration_test/screenshot_test.dart
index 7ad759e4..5c093a2a 100644
--- a/packages/app/integration_test/screenshot_test.dart
+++ b/packages/app/integration_test/screenshot_test.dart
@@ -20,7 +20,7 @@ Future runTestApp(
   final Account? account,
 }) async {
   await runNeon(
-    getAppImplementations: getAppImplementations,
+    appImplementations: appImplementations,
     theme: neonTheme,
     bindingOverride: binding,
     account: account,
diff --git a/packages/app/lib/apps.dart b/packages/app/lib/apps.dart
index b93b4baa..7fe30719 100644
--- a/packages/app/lib/apps.dart
+++ b/packages/app/lib/apps.dart
@@ -3,14 +3,10 @@ import 'package:neon_files/neon_files.dart';
 import 'package:neon_news/neon_news.dart';
 import 'package:neon_notes/neon_notes.dart';
 import 'package:neon_notifications/neon_notifications.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
-List<AppImplementation> getAppImplementations(
-  final SharedPreferences sharedPreferences,
-) =>
-    [
-      FilesApp(sharedPreferences),
-      NewsApp(sharedPreferences),
-      NotesApp(sharedPreferences),
-      NotificationsApp(sharedPreferences),
-    ];
+final List<AppImplementation> appImplementations = [
+  FilesApp(),
+  NewsApp(),
+  NotesApp(),
+  NotificationsApp(),
+];
diff --git a/packages/app/lib/main.dart b/packages/app/lib/main.dart
index fcfdac75..62c13ad3 100644
--- a/packages/app/lib/main.dart
+++ b/packages/app/lib/main.dart
@@ -4,7 +4,7 @@ import 'package:neon/neon.dart';
 
 Future main() async {
   await runNeon(
-    getAppImplementations: getAppImplementations,
+    appImplementations: appImplementations,
     theme: neonTheme,
   );
 }
diff --git a/packages/app/pubspec.lock b/packages/app/pubspec.lock
index c06c2b75..e2a64504 100644
--- a/packages/app/pubspec.lock
+++ b/packages/app/pubspec.lock
@@ -349,10 +349,10 @@ packages:
     dependency: transitive
     description:
       name: flutter_local_notifications
-      sha256: "3cc40fe8c50ab8383f3e053a499f00f975636622ecdc8e20a77418ece3b1e975"
+      sha256: "3002092e5b8ce2f86c3361422e52e6db6776c23ee21e0b2f71b892bf4259ef04"
       url: "https://pub.dev"
     source: hosted
-    version: "15.1.0+1"
+    version: "15.1.1"
   flutter_local_notifications_linux:
     dependency: transitive
     description:
@@ -383,7 +383,7 @@ packages:
     source: hosted
     version: "0.6.17+1"
   flutter_native_splash:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: flutter_native_splash
       sha256: ecff62b3b893f2f665de7e4ad3de89f738941fcfcaaba8ee601e749efafa4698
@@ -1044,7 +1044,7 @@ packages:
     source: hosted
     version: "3.3.0"
   shared_preferences:
-    dependency: "direct main"
+    dependency: "direct dev"
     description:
       name: shared_preferences
       sha256: "0344316c947ffeb3a529eac929e1978fcd37c26be4e8468628bac399365a3ca1"
@@ -1443,10 +1443,10 @@ packages:
     dependency: transitive
     description:
       name: webview_flutter
-      sha256: "789d52bd789373cc1e100fb634af2127e86c99cf9abde09499743270c5de8d00"
+      sha256: "04a0782fb058b7c71f2048935583488f4d32e9147ca403abc4e58f1de9964629"
       url: "https://pub.dev"
     source: hosted
-    version: "4.2.2"
+    version: "4.2.3"
   webview_flutter_android:
     dependency: transitive
     description:
diff --git a/packages/app/pubspec.yaml b/packages/app/pubspec.yaml
index fd67684a..9e744172 100644
--- a/packages/app/pubspec.yaml
+++ b/packages/app/pubspec.yaml
@@ -9,7 +9,6 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_native_splash: ^2.3.2
   flutter_svg: ^2.0.7
   neon:
     git:
@@ -31,7 +30,6 @@ dependencies:
     git:
       url: https://github.com/nextcloud/neon
       path: packages/neon/neon_notifications
-  shared_preferences: ^2.2.0
 
 dev_dependencies:
   flutter_test:
@@ -43,6 +41,7 @@ dev_dependencies:
     git:
       url: https://github.com/nextcloud/neon
       path: packages/neon_lints
+  shared_preferences: ^2.2.0
 
 flutter:
   uses-material-design: true
diff --git a/packages/neon/neon/lib/neon.dart b/packages/neon/neon/lib/neon.dart
index d8f8001a..8b23e1b6 100644
--- a/packages/neon/neon/lib/neon.dart
+++ b/packages/neon/neon/lib/neon.dart
@@ -10,16 +10,16 @@ import 'package:neon/src/blocs/push_notifications.dart';
 import 'package:neon/src/models/account.dart';
 import 'package:neon/src/models/app_implementation.dart';
 import 'package:neon/src/platform/platform.dart';
+import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/theme/neon.dart';
 import 'package:neon/src/utils/global_options.dart';
 import 'package:neon/src/utils/request_manager.dart';
 import 'package:neon/src/utils/user_agent.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:provider/provider.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 Future runNeon({
-  required final Iterable<AppImplementation> Function(SharedPreferences) getAppImplementations,
+  required final Iterable<AppImplementation> appImplementations,
   required final NeonTheme theme,
   @visibleForTesting final WidgetsBinding? bindingOverride,
   @visibleForTesting final Account? account,
@@ -29,24 +29,20 @@ Future runNeon({
   final binding = bindingOverride ?? WidgetsFlutterBinding.ensureInitialized();
   FlutterNativeSplash.preserve(widgetsBinding: binding);
 
-  final sharedPreferences = await SharedPreferences.getInstance();
-
   await NeonPlatform.setup();
   await RequestManager.instance.initCache();
-  final allAppImplementations = getAppImplementations(sharedPreferences);
+  await AppStorage.init();
 
   final packageInfo = await PackageInfo.fromPlatform();
   buildUserAgent(packageInfo);
 
   final globalOptions = GlobalOptions(
-    sharedPreferences,
     packageInfo,
   );
 
   final accountsBloc = AccountsBloc(
-    sharedPreferences,
     globalOptions,
-    allAppImplementations,
+    appImplementations,
   );
   if (account != null) {
     accountsBloc
@@ -55,11 +51,9 @@ Future runNeon({
   }
   final pushNotificationsBloc = PushNotificationsBloc(
     accountsBloc,
-    sharedPreferences,
     globalOptions,
   );
   final firstLaunchBloc = FirstLaunchBloc(
-    sharedPreferences,
     disabled: firstLaunchDisabled,
   );
   final nextPushBloc = NextPushBloc(
@@ -71,9 +65,6 @@ Future runNeon({
   runApp(
     MultiProvider(
       providers: [
-        Provider<SharedPreferences>(
-          create: (final _) => sharedPreferences,
-        ),
         Provider<GlobalOptions>(
           create: (final _) => globalOptions,
         ),
@@ -90,7 +81,7 @@ Future runNeon({
           create: (final _) => nextPushBloc,
         ),
         Provider<Iterable<AppImplementation>>(
-          create: (final _) => allAppImplementations,
+          create: (final _) => appImplementations,
         ),
         Provider<PackageInfo>(
           create: (final _) => packageInfo,
diff --git a/packages/neon/neon/lib/src/blocs/accounts.dart b/packages/neon/neon/lib/src/blocs/accounts.dart
index 8068d10a..10605cea 100644
--- a/packages/neon/neon/lib/src/blocs/accounts.dart
+++ b/packages/neon/neon/lib/src/blocs/accounts.dart
@@ -14,7 +14,6 @@ import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/utils/account_options.dart';
 import 'package:neon/src/utils/global_options.dart';
 import 'package:rxdart/rxdart.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 const _keyAccounts = 'accounts';
 
@@ -56,7 +55,6 @@ abstract interface class AccountsBlocStates {
 
 class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocStates {
   AccountsBloc(
-    this._sharedPreferences,
     this._globalOptions,
     this._allAppImplementations,
   ) {
@@ -96,8 +94,7 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
     }
   }
 
-  late final AppStorage _storage = AppStorage('accounts', _sharedPreferences);
-  final SharedPreferences _sharedPreferences;
+  late final AppStorage _storage = AppStorage('accounts');
   final GlobalOptions _globalOptions;
   final Iterable<AppImplementation> _allAppImplementations;
   final _keyLastUsedAccount = 'last-used-account';
@@ -213,7 +210,7 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
   /// Use [activeOptions] to get them for the [activeAccount].
   AccountSpecificOptions getOptionsFor(final Account account) =>
       _accountsOptions[account.id] ??= AccountSpecificOptions(
-        AppStorage('accounts-${account.id}', _sharedPreferences),
+        AppStorage('accounts-${account.id}'),
         getAppsBlocFor(account),
       );
 
diff --git a/packages/neon/neon/lib/src/blocs/first_launch.dart b/packages/neon/neon/lib/src/blocs/first_launch.dart
index ed7c63f4..fef5589c 100644
--- a/packages/neon/neon/lib/src/blocs/first_launch.dart
+++ b/packages/neon/neon/lib/src/blocs/first_launch.dart
@@ -2,8 +2,8 @@ import 'dart:async';
 
 import 'package:meta/meta.dart';
 import 'package:neon/src/bloc/bloc.dart';
+import 'package:neon/src/settings/models/storage.dart';
 import 'package:rxdart/rxdart.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 abstract class FirstLaunchBlocEvents {}
 
@@ -11,20 +11,20 @@ abstract class FirstLaunchBlocStates {
   BehaviorSubject get onFirstLaunch;
 }
 
+@immutable
 @internal
 class FirstLaunchBloc extends Bloc implements FirstLaunchBlocEvents, FirstLaunchBlocStates {
-  FirstLaunchBloc(
-    this._sharedPreferences, {
+  FirstLaunchBloc({
     final bool disabled = false,
-  }) {
-    if (!disabled && !_sharedPreferences.containsKey(_keyFirstLaunch)) {
+  }) : _storage = AppStorage(_keyFirstLaunch) {
+    if (!disabled && !_storage.containsKey(_keyFirstLaunch)) {
       onFirstLaunch.add(null);
-      unawaited(_sharedPreferences.setBool(_keyFirstLaunch, false));
+      unawaited(_storage.setBool(_keyFirstLaunch, false));
     }
   }
 
-  final SharedPreferences _sharedPreferences;
-  final _keyFirstLaunch = 'first-launch';
+  final AppStorage _storage;
+  static const _keyFirstLaunch = 'first-launch';
 
   @override
   void dispose() {
@@ -32,5 +32,5 @@ class FirstLaunchBloc extends Bloc implements FirstLaunchBlocEvents, FirstLaunch
   }
 
   @override
-  BehaviorSubject onFirstLaunch = BehaviorSubject();
+  final BehaviorSubject onFirstLaunch = BehaviorSubject();
 }
diff --git a/packages/neon/neon/lib/src/blocs/push_notifications.dart b/packages/neon/neon/lib/src/blocs/push_notifications.dart
index d280b379..c25a71f1 100644
--- a/packages/neon/neon/lib/src/blocs/push_notifications.dart
+++ b/packages/neon/neon/lib/src/blocs/push_notifications.dart
@@ -13,7 +13,6 @@ import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/utils/global_options.dart';
 import 'package:neon/src/utils/push_utils.dart';
 import 'package:nextcloud/nextcloud.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:unifiedpush/unifiedpush.dart';
 
 abstract class PushNotificationsBlocEvents {}
@@ -26,7 +25,6 @@ abstract class PushNotificationsBlocStates {
 class PushNotificationsBloc extends Bloc implements PushNotificationsBlocEvents, PushNotificationsBlocStates {
   PushNotificationsBloc(
     this._accountsBloc,
-    this._sharedPreferences,
     this._globalOptions,
   ) {
     if (NeonPlatform.instance.canUsePushNotifications) {
@@ -39,8 +37,7 @@ class PushNotificationsBloc extends Bloc implements PushNotificationsBlocEvents,
   }
 
   final AccountsBloc _accountsBloc;
-  final SharedPreferences _sharedPreferences;
-  late final _storage = AppStorage(AppIDs.notifications, _sharedPreferences);
+  late final _storage = AppStorage(AppIDs.notifications);
   final GlobalOptions _globalOptions;
 
   final _notificationsController = StreamController<PushNotification>();
diff --git a/packages/neon/neon/lib/src/models/app_implementation.dart b/packages/neon/neon/lib/src/models/app_implementation.dart
index 83aa5c47..4628d10d 100644
--- a/packages/neon/neon/lib/src/models/app_implementation.dart
+++ b/packages/neon/neon/lib/src/models/app_implementation.dart
@@ -2,6 +2,7 @@ import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:go_router/go_router.dart';
+import 'package:meta/meta.dart';
 import 'package:neon/l10n/localizations.dart';
 import 'package:neon/src/bloc/bloc.dart';
 import 'package:neon/src/blocs/accounts.dart';
@@ -11,15 +12,10 @@ import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/widgets/drawer_destination.dart';
 import 'package:provider/provider.dart';
 import 'package:rxdart/rxdart.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
+@immutable
 abstract class AppImplementation<T extends Bloc, R extends NextcloudAppOptions> {
-  AppImplementation(
-    final SharedPreferences sharedPreferences,
-  ) {
-    final storage = AppStorage('app-$id', sharedPreferences);
-    options = buildOptions(storage);
-  }
+  AppImplementation();
 
   String get id;
   LocalizationsDelegate get localizationsDelegate;
@@ -28,10 +24,11 @@ abstract class AppImplementation<T extends Bloc, R extends NextcloudAppOptions>
   String nameFromLocalization(final AppLocalizations localizations) => localizations.appImplementationName(id);
   String name(final BuildContext context) => nameFromLocalization(AppLocalizations.of(context));
 
-  late final R options;
-
   @protected
-  R buildOptions(final AppStorage storage);
+  late final AppStorage storage = AppStorage('app-$id');
+
+  @mustBeOverridden
+  R get options;
 
   final Map<String, T> _blocs = {};
 
@@ -118,7 +115,7 @@ abstract class AppImplementation<T extends Bloc, R extends NextcloudAppOptions>
   /// A custom theme that will be injected into the widget tree.
   ///
   /// You can later acess it through `Theme.of(context).extension<ThemeName>()`.
-  ThemeExtension? theme;
+  final ThemeExtension? theme = null;
 }
 
 extension AppImplementationFind on Iterable<AppImplementation> {
diff --git a/packages/neon/neon/lib/src/models/notifications_interface.dart b/packages/neon/neon/lib/src/models/notifications_interface.dart
index bf2fcdb1..7164dc24 100644
--- a/packages/neon/neon/lib/src/models/notifications_interface.dart
+++ b/packages/neon/neon/lib/src/models/notifications_interface.dart
@@ -1,10 +1,15 @@
+import 'package:meta/meta.dart';
 import 'package:neon/src/bloc/bloc.dart';
 import 'package:neon/src/models/app_implementation.dart';
 import 'package:neon/src/settings/models/nextcloud_app_options.dart';
 
 abstract interface class NotificationsAppInterface<T extends NotificationsBlocInterface,
     R extends NotificationsOptionsInterface> extends AppImplementation<T, R> {
-  NotificationsAppInterface(super.sharedPreferences);
+  NotificationsAppInterface();
+
+  @override
+  @mustBeOverridden
+  R get options => throw UnimplementedError();
 }
 
 abstract interface class NotificationsBlocInterface extends InteractiveBloc {
diff --git a/packages/neon/neon/lib/src/settings/models/storage.dart b/packages/neon/neon/lib/src/settings/models/storage.dart
index 7ae22cf2..d033964d 100644
--- a/packages/neon/neon/lib/src/settings/models/storage.dart
+++ b/packages/neon/neon/lib/src/settings/models/storage.dart
@@ -1,3 +1,4 @@
+import 'package:meta/meta.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 abstract interface class SettingsStorage {
@@ -14,35 +15,55 @@ abstract interface class SettingsStorage {
 }
 
 class AppStorage implements SettingsStorage {
-  AppStorage(
-    this._id,
-    this._sharedPreferences,
-  );
+  AppStorage(this._id);
 
   final String _id;
-  final SharedPreferences _sharedPreferences;
+
+  /// Shared preferences instance.
+  ///
+  /// Use [reqireDatabase] to access it.
+  /// Make sure it has been initialized wiht [init] before.
+  static SharedPreferences? _sharedPreferences;
+
+  /// Sets up the [SharedPreferences] instance.
+  ///
+  /// Required to be called before accessing [reqireDatabase].
+  static Future init() async {
+    _sharedPreferences = await SharedPreferences.getInstance();
+  }
+
+  @visibleForTesting
+  static SharedPreferences get reqireDatabase {
+    if (_sharedPreferences == null) {
+      throw StateError(
+        'AppStorage has not been initialized yet. Please make sure AppStorage.init() has been called before and completed.',
+      );
+    }
+
+    return _sharedPreferences!;
+  }
 
   String _formatKey(final String key) => '$_id-$key';
 
-  bool containsKey(final String key) => _sharedPreferences.containsKey(_formatKey(key));
+  bool containsKey(final String key) => reqireDatabase.containsKey(_formatKey(key));
 
   @override
-  Future<bool> remove(final String key) => _sharedPreferences.remove(_formatKey(key));
+  Future<bool> remove(final String key) => reqireDatabase.remove(_formatKey(key));
 
   @override
-  String? getString(final String key) => _sharedPreferences.getString(_formatKey(key));
+  String? getString(final String key) => reqireDatabase.getString(_formatKey(key));
 
   @override
-  Future setString(final String key, final String value) => _sharedPreferences.setString(_formatKey(key), value);
+  Future setString(final String key, final String value) => reqireDatabase.setString(_formatKey(key), value);
 
   @override
-  bool? getBool(final String key) => _sharedPreferences.getBool(_formatKey(key));
+  bool? getBool(final String key) => reqireDatabase.getBool(_formatKey(key));
 
   @override
-  Future setBool(final String key, final bool value) => _sharedPreferences.setBool(_formatKey(key), value);
+  Future setBool(final String key, final bool value) => reqireDatabase.setBool(_formatKey(key), value);
 
-  List<String>? getStringList(final String key) => _sharedPreferences.getStringList(_formatKey(key));
+  List<String>? getStringList(final String key) => reqireDatabase.getStringList(_formatKey(key));
 
   Future setStringList(final String key, final List<String> value) =>
-      _sharedPreferences.setStringList(_formatKey(key), value);
+      reqireDatabase.setStringList(_formatKey(key), value);
 }
diff --git a/packages/neon/neon/lib/src/utils/global_options.dart b/packages/neon/neon/lib/src/utils/global_options.dart
index 15657168..d6b319f1 100644
--- a/packages/neon/neon/lib/src/utils/global_options.dart
+++ b/packages/neon/neon/lib/src/utils/global_options.dart
@@ -11,7 +11,6 @@ import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/settings/models/toggle_option.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:permission_handler/permission_handler.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 const unifiedPushNextPushID = 'org.unifiedpush.distributor.nextpush';
 
@@ -19,7 +18,6 @@ const unifiedPushNextPushID = 'org.unifiedpush.distributor.nextpush';
 @immutable
 class GlobalOptions {
   GlobalOptions(
-    this._sharedPreferences,
     this._packageInfo,
   ) {
     pushNotificationsEnabled.addListener(_pushNotificationsEnabledListener);
@@ -51,8 +49,7 @@ class GlobalOptions {
     }
   }
 
-  final SharedPreferences _sharedPreferences;
-  late final AppStorage _storage = AppStorage('global', _sharedPreferences);
+  late final AppStorage _storage = AppStorage('global');
   final PackageInfo _packageInfo;
 
   late final _distributorsMap = <String, String Function(BuildContext)>{
diff --git a/packages/neon/neon/lib/src/utils/push_utils.dart b/packages/neon/neon/lib/src/utils/push_utils.dart
index 353bfc01..1588dbce 100644
--- a/packages/neon/neon/lib/src/utils/push_utils.dart
+++ b/packages/neon/neon/lib/src/utils/push_utils.dart
@@ -18,7 +18,6 @@ import 'package:neon/src/theme/colors.dart';
 import 'package:neon/src/utils/global.dart';
 import 'package:neon/src/utils/localizations.dart';
 import 'package:nextcloud/nextcloud.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 @internal
 @immutable
@@ -71,9 +70,9 @@ class PushUtils {
         }
       },
     );
-    final sharedPreferences = await SharedPreferences.getInstance();
+    await AppStorage.init();
 
-    final keypair = await loadRSAKeypair(AppStorage(AppIDs.notifications, sharedPreferences));
+    final keypair = await loadRSAKeypair(AppStorage(AppIDs.notifications));
 
     for (final message in Uri(query: utf8.decode(messages)).queryParameters.values) {
       final data = json.decode(message) as Map<String, dynamic>;
@@ -99,7 +98,7 @@ class PushUtils {
         NotificationsNotification? notification;
         AndroidBitmap<Object>? largeIconBitmap;
         try {
-          accounts = loadAccounts(AppStorage('accounts', sharedPreferences));
+          accounts = loadAccounts(AppStorage('accounts'));
           account = accounts.tryFind(instance);
           if (account != null) {
             notification =
diff --git a/packages/neon/neon/test/app_implementation_test.dart b/packages/neon/neon/test/app_implementation_test.dart
new file mode 100644
index 00000000..4747ac76
--- /dev/null
+++ b/packages/neon/neon/test/app_implementation_test.dart
@@ -0,0 +1,30 @@
+import 'package:mocktail/mocktail.dart';
+import 'package:neon/src/models/app_implementation.dart';
+import 'package:test/test.dart';
+
+// ignore: missing_override_of_must_be_overridden
+class AppImplementationMock extends Mock implements AppImplementation {}
+
+void main() {
+  group('group name', () {
+    test('AccountFind', () {
+      final app1 = AppImplementationMock();
+      final app2 = AppImplementationMock();
+
+      final apps = {
+        app1,
+        app2,
+      };
+
+      when(() => app1.id).thenReturn('app1');
+      when(() => app2.id).thenReturn('app2');
+
+      expect(apps.tryFind(null), isNull);
+      expect(apps.tryFind('invalidID'), isNull);
+      expect(apps.tryFind(app2.id), equals(app2));
+
+      expect(() => apps.find('invalidID'), throwsA(isA<StateError>()));
+      expect(apps.find(app2.id), equals(app2));
+    });
+  });
+}
diff --git a/packages/neon/neon/test/storage_test.dart b/packages/neon/neon/test/storage_test.dart
new file mode 100644
index 00000000..bda8df24
--- /dev/null
+++ b/packages/neon/neon/test/storage_test.dart
@@ -0,0 +1,14 @@
+import 'package:neon/src/settings/models/storage.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('AppStorage', () async {
+    expect(() => AppStorage.reqireDatabase, throwsA(isA<StateError>()));
+
+    SharedPreferences.setMockInitialValues({});
+    await AppStorage.init();
+
+    expect(AppStorage.reqireDatabase, isA<SharedPreferences>());
+  });
+}
diff --git a/packages/neon/neon_files/lib/neon_files.dart b/packages/neon/neon_files/lib/neon_files.dart
index ea3f00e0..0f21a143 100644
--- a/packages/neon/neon_files/lib/neon_files.dart
+++ b/packages/neon/neon_files/lib/neon_files.dart
@@ -44,19 +44,19 @@ part 'widgets/browser_view.dart';
 part 'widgets/file_preview.dart';
 
 class FilesApp extends AppImplementation<FilesBloc, FilesAppSpecificOptions> {
-  FilesApp(super.sharedPreferences);
+  FilesApp();
 
   @override
-  String id = AppIDs.files;
+  final String id = AppIDs.files;
 
   @override
-  LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
+  final LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
 
   @override
-  List<Locale> supportedLocales = AppLocalizations.supportedLocales;
+  final List<Locale> supportedLocales = AppLocalizations.supportedLocales;
 
   @override
-  FilesAppSpecificOptions buildOptions(final AppStorage storage) => FilesAppSpecificOptions(storage);
+  late final FilesAppSpecificOptions options = FilesAppSpecificOptions(storage);
 
   @override
   FilesBloc buildBloc(final Account account) => FilesBloc(
@@ -65,8 +65,8 @@ class FilesApp extends AppImplementation<FilesBloc, FilesAppSpecificOptions> {
       );
 
   @override
-  Widget get page => const FilesMainPage();
+  final Widget page = const FilesMainPage();
 
   @override
-  RouteBase get route => $filesAppRoute;
+  final RouteBase route = $filesAppRoute;
 }
diff --git a/packages/neon/neon_news/lib/neon_news.dart b/packages/neon/neon_news/lib/neon_news.dart
index 47b3bf13..8e5c18cd 100644
--- a/packages/neon/neon_news/lib/neon_news.dart
+++ b/packages/neon/neon_news/lib/neon_news.dart
@@ -52,19 +52,19 @@ part 'widgets/folder_view.dart';
 part 'widgets/folders_view.dart';
 
 class NewsApp extends AppImplementation<NewsBloc, NewsAppSpecificOptions> {
-  NewsApp(super.sharedPreferences);
+  NewsApp();
 
   @override
-  String id = AppIDs.news;
+  final String id = AppIDs.news;
 
   @override
-  LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
+  final LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
 
   @override
-  List<Locale> supportedLocales = AppLocalizations.supportedLocales;
+  final List<Locale> supportedLocales = AppLocalizations.supportedLocales;
 
   @override
-  NewsAppSpecificOptions buildOptions(final AppStorage storage) => NewsAppSpecificOptions(storage);
+  late final NewsAppSpecificOptions options = NewsAppSpecificOptions(storage);
 
   @override
   NewsBloc buildBloc(final Account account) => NewsBloc(
@@ -73,10 +73,10 @@ class NewsApp extends AppImplementation<NewsBloc, NewsAppSpecificOptions> {
       );
 
   @override
-  Widget get page => const NewsMainPage();
+  final Widget page = const NewsMainPage();
 
   @override
-  RouteBase get route => $newsAppRoute;
+  final RouteBase route = $newsAppRoute;
 
   @override
   BehaviorSubject<int> getUnreadCounter(final NewsBloc bloc) => bloc.unreadCounter;
diff --git a/packages/neon/neon_notes/lib/neon_notes.dart b/packages/neon/neon_notes/lib/neon_notes.dart
index 7f511280..f44a5384 100644
--- a/packages/neon/neon_notes/lib/neon_notes.dart
+++ b/packages/neon/neon_notes/lib/neon_notes.dart
@@ -42,19 +42,19 @@ part 'widgets/notes_floating_action_button.dart';
 part 'widgets/notes_view.dart';
 
 class NotesApp extends AppImplementation<NotesBloc, NotesAppSpecificOptions> {
-  NotesApp(super.sharedPreferences);
+  NotesApp();
 
   @override
-  String id = AppIDs.notes;
+  final String id = AppIDs.notes;
 
   @override
-  List<Locale> supportedLocales = AppLocalizations.supportedLocales;
+  final List<Locale> supportedLocales = AppLocalizations.supportedLocales;
 
   @override
-  LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
+  final LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
 
   @override
-  NotesAppSpecificOptions buildOptions(final AppStorage storage) => NotesAppSpecificOptions(storage);
+  late final NotesAppSpecificOptions options = NotesAppSpecificOptions(storage);
 
   @override
   NotesBloc buildBloc(final Account account) => NotesBloc(
@@ -63,8 +63,8 @@ class NotesApp extends AppImplementation<NotesBloc, NotesAppSpecificOptions> {
       );
 
   @override
-  Widget get page => const NotesMainPage();
+  final Widget page = const NotesMainPage();
 
   @override
-  RouteBase get route => $notesAppRoute;
+  final RouteBase route = $notesAppRoute;
 }
diff --git a/packages/neon/neon_notifications/lib/neon_notifications.dart b/packages/neon/neon_notifications/lib/neon_notifications.dart
index 20e9aee6..7082cfff 100644
--- a/packages/neon/neon_notifications/lib/neon_notifications.dart
+++ b/packages/neon/neon_notifications/lib/neon_notifications.dart
@@ -22,19 +22,19 @@ part 'pages/main.dart';
 
 class NotificationsApp extends AppImplementation<NotificationsBloc, NotificationsAppSpecificOptions>
     implements NotificationsAppInterface<NotificationsBloc, NotificationsAppSpecificOptions> {
-  NotificationsApp(super.sharedPreferences);
+  NotificationsApp();
 
   @override
-  String id = AppIDs.notifications;
+  final String id = AppIDs.notifications;
 
   @override
-  LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
+  final LocalizationsDelegate localizationsDelegate = AppLocalizations.delegate;
 
   @override
-  List<Locale> supportedLocales = AppLocalizations.supportedLocales;
+  final List<Locale> supportedLocales = AppLocalizations.supportedLocales;
 
   @override
-  NotificationsAppSpecificOptions buildOptions(final AppStorage storage) => NotificationsAppSpecificOptions(storage);
+  late final NotificationsAppSpecificOptions options = NotificationsAppSpecificOptions(storage);
 
   @override
   NotificationsBloc buildBloc(final Account account) => NotificationsBloc(
@@ -43,10 +43,10 @@ class NotificationsApp extends AppImplementation<NotificationsBloc, Notification
       );
 
   @override
-  Widget get page => const NotificationsMainPage();
+  final Widget page = const NotificationsMainPage();
 
   @override
-  RouteBase get route => $notificationsAppRoute;
+  final RouteBase route = $notificationsAppRoute;
 
   @override
   BehaviorSubject<int> getUnreadCounter(final NotificationsBloc bloc) => bloc.unreadCounter;