diff --git a/contact/pubspec.lock b/contact/pubspec.lock
index cbf82dd47..afc4ca752 100644
--- a/contact/pubspec.lock
+++ b/contact/pubspec.lock
@@ -304,6 +304,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  fk_user_agent:
+    dependency: transitive
+    description:
+      name: fk_user_agent
+      sha256: fd6c94e120786985a292d12f61422a581f4e851148d5940af38b819357b8ad0d
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   flex_color_picker:
     dependency: transitive
     description:
@@ -671,6 +679,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  package_info_plus:
+    dependency: transitive
+    description:
+      name: package_info_plus
+      sha256: "7e76fad405b3e4016cd39d08f455a4eb5199723cf594cd1b8916d47140d93017"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "9bc8ba46813a4cc42c66ab781470711781940780fd8beddd0c3da62506d3a6c6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   path:
     dependency: transitive
     description:
diff --git a/core/lib/utils/application_manager.dart b/core/lib/utils/application_manager.dart
new file mode 100644
index 000000000..c7b291c47
--- /dev/null
+++ b/core/lib/utils/application_manager.dart
@@ -0,0 +1,49 @@
+
+import 'package:core/utils/app_logger.dart';
+import 'package:core/utils/platform_info.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:fk_user_agent/fk_user_agent.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+class ApplicationManager {
+
+  final DeviceInfoPlugin _deviceInfoPlugin;
+
+  ApplicationManager(this._deviceInfoPlugin);
+
+  Future<PackageInfo> getPackageInfo() async {
+    final packageInfo = await PackageInfo.fromPlatform();
+    log('ApplicationManager::getPackageInto: $packageInfo');
+    return packageInfo;
+  }
+
+  Future<String> getVersion() async {
+    final version = (await getPackageInfo()).version;
+    log('ApplicationManager::getVersion: $version');
+    return version;
+  }
+
+  Future<String> getUserAgent() async {
+    try {
+      String userAgent;
+      if (PlatformInfo.isWeb) {
+        final webBrowserInfo = await _deviceInfoPlugin.webBrowserInfo;
+        userAgent = webBrowserInfo.userAgent ?? '';
+      } else {
+        await FkUserAgent.init();
+        userAgent = FkUserAgent.userAgent ?? '';
+        FkUserAgent.release();
+      }
+      return userAgent;
+    } catch(e) {
+      logError('ApplicationManager::getUserAgent: Exception: $e');
+      return '';
+    }
+  }
+
+  Future<String> generateApplicationUserAgent() async {
+    final userAgent = await getUserAgent();
+    final version = await getVersion();
+    return 'Team-Mail/$version $userAgent';
+  }
+}
\ No newline at end of file
diff --git a/core/pubspec.lock b/core/pubspec.lock
index 994ccee13..108265136 100644
--- a/core/pubspec.lock
+++ b/core/pubspec.lock
@@ -185,6 +185,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
+  fk_user_agent:
+    dependency: "direct main"
+    description:
+      name: fk_user_agent
+      sha256: fd6c94e120786985a292d12f61422a581f4e851148d5940af38b819357b8ad0d
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   flex_color_picker:
     dependency: "direct main"
     description:
@@ -440,6 +448,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: "7e76fad405b3e4016cd39d08f455a4eb5199723cf594cd1b8916d47140d93017"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "9bc8ba46813a4cc42c66ab781470711781940780fd8beddd0c3da62506d3a6c6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   path:
     dependency: transitive
     description:
diff --git a/core/pubspec.yaml b/core/pubspec.yaml
index 8c8531d11..6f94e72e0 100644
--- a/core/pubspec.yaml
+++ b/core/pubspec.yaml
@@ -75,6 +75,10 @@ dependencies:
 
   printing: 5.12.0
 
+  package_info_plus: 4.2.0
+
+  fk_user_agent: 2.1.0
+
 dev_dependencies:
   flutter_test:
     sdk: flutter
diff --git a/lib/features/base/base_controller.dart b/lib/features/base/base_controller.dart
index 97b14ba25..eacf5b8cb 100644
--- a/lib/features/base/base_controller.dart
+++ b/lib/features/base/base_controller.dart
@@ -8,6 +8,7 @@ import 'package:core/presentation/utils/app_toast.dart';
 import 'package:core/presentation/utils/responsive_utils.dart';
 import 'package:core/presentation/views/toast/tmail_toast.dart';
 import 'package:core/utils/app_logger.dart';
+import 'package:core/utils/application_manager.dart';
 import 'package:core/utils/fps_manager.dart';
 import 'package:core/utils/platform_info.dart';
 import 'package:dartz/dartz.dart';
@@ -76,6 +77,7 @@ abstract class BaseController extends GetxController
   final ImagePaths imagePaths = Get.find<ImagePaths>();
   final ResponsiveUtils responsiveUtils = Get.find<ResponsiveUtils>();
   final Uuid uuid = Get.find<Uuid>();
+  final ApplicationManager applicationManager = Get.find<ApplicationManager>();
 
   bool _isFcmEnabled = false;
 
diff --git a/lib/features/base/widget/application_version_widget.dart b/lib/features/base/widget/application_version_widget.dart
new file mode 100644
index 000000000..38eab2716
--- /dev/null
+++ b/lib/features/base/widget/application_version_widget.dart
@@ -0,0 +1,44 @@
+import 'package:core/presentation/extensions/color_extension.dart';
+import 'package:core/utils/application_manager.dart';
+import 'package:flutter/material.dart';
+
+class ApplicationVersionWidget extends StatelessWidget {
+
+  final ApplicationManager applicationManager;
+  final EdgeInsetsGeometry? padding;
+  final String? title;
+  final TextStyle? textStyle;
+
+  const ApplicationVersionWidget({
+    super.key,
+    required this.applicationManager,
+    this.title,
+    this.textStyle,
+    this.padding,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: applicationManager.getVersion(),
+      builder: (context, snapshot) {
+        if (snapshot.hasData) {
+          return Padding(
+            padding: padding ?? const EdgeInsets.only(top: 6),
+            child: Text(
+              '${title ?? 'v.'}${snapshot.data}',
+              textAlign: TextAlign.center,
+              style: textStyle ?? Theme.of(context).textTheme.labelMedium?.copyWith(
+                fontSize: 13,
+                color: AppColor.colorContentEmail,
+                fontWeight: FontWeight.w500
+              ),
+            ),
+          );
+        } else {
+          return const SizedBox.shrink();
+        }
+      }
+    );
+  }
+}
diff --git a/lib/features/composer/presentation/composer_bindings.dart b/lib/features/composer/presentation/composer_bindings.dart
index 6f9bc469a..341bcd4be 100644
--- a/lib/features/composer/presentation/composer_bindings.dart
+++ b/lib/features/composer/presentation/composer_bindings.dart
@@ -207,7 +207,6 @@ class ComposerBindings extends BaseBindings {
     Get.lazyPut(() => UploadController(Get.find<UploadAttachmentInteractor>()));
     Get.lazyPut(() => RichTextWebController());
     Get.lazyPut(() => ComposerController(
-      Get.find<DeviceInfoPlugin>(),
       Get.find<LocalFilePickerInteractor>(),
       Get.find<LocalImagePickerInteractor>(),
       Get.find<GetEmailContentInteractor>(),
diff --git a/lib/features/composer/presentation/composer_controller.dart b/lib/features/composer/presentation/composer_controller.dart
index 8132dcbca..f0717c2d2 100644
--- a/lib/features/composer/presentation/composer_controller.dart
+++ b/lib/features/composer/presentation/composer_controller.dart
@@ -10,7 +10,6 @@ import 'package:device_info_plus/device_info_plus.dart';
 import 'package:dropdown_button2/dropdown_button2.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:filesize/filesize.dart';
-import 'package:fk_user_agent/fk_user_agent.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -123,7 +122,6 @@ class ComposerController extends BaseController with DragDropFileMixin {
 
   final LocalFilePickerInteractor _localFilePickerInteractor;
   final LocalImagePickerInteractor _localImagePickerInteractor;
-  final DeviceInfoPlugin _deviceInfoPlugin;
   final GetEmailContentInteractor _getEmailContentInteractor;
   final GetAllIdentitiesInteractor _getAllIdentitiesInteractor;
   final UploadController uploadController;
@@ -189,7 +187,6 @@ class ComposerController extends BaseController with DragDropFileMixin {
   late bool _isEmailBodyLoaded;
 
   ComposerController(
-    this._deviceInfoPlugin,
     this._localFilePickerInteractor,
     this._localImagePickerInteractor,
     this._getEmailContentInteractor,
@@ -209,11 +206,7 @@ class ComposerController extends BaseController with DragDropFileMixin {
     createFocusNodeInput();
     scrollControllerEmailAddress.addListener(_scrollControllerEmailAddressListener);
     _listenStreamEvent();
-    if (PlatformInfo.isMobile) {
-      WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
-        await FkUserAgent.init();
-      });
-    } else {
+    if (PlatformInfo.isWeb) {
       WidgetsBinding.instance.addPostFrameCallback((_) {
         _listenBrowserEventAction();
       });
@@ -244,9 +237,6 @@ class ComposerController extends BaseController with DragDropFileMixin {
     _subscriptionOnDragOver?.cancel();
     _subscriptionOnDragLeave?.cancel();
     _subscriptionOnDrop?.cancel();
-    if (PlatformInfo.isMobile) {
-      FkUserAgent.release();
-    }
     super.onClose();
   }
 
@@ -729,7 +719,7 @@ class ComposerController extends BaseController with DragDropFileMixin {
       attachments.addAll(listInlineEmailBodyPart);
     }
 
-    final userAgent = await userAgentPlatform;
+    final userAgent = await applicationManager.getUserAgent();
     log('ComposerController::_generateEmail(): userAgent: $userAgent');
 
     Map<MailboxId, bool> mailboxIds = {};
@@ -814,21 +804,6 @@ class ComposerController extends BaseController with DragDropFileMixin {
     }
   }
 
-  Future<String> get userAgentPlatform async {
-    String userAgent;
-    try {
-      if (kIsWeb) {
-        final webBrowserInfo = await _deviceInfoPlugin.webBrowserInfo;
-        userAgent = webBrowserInfo.userAgent ?? '';
-      } else {
-        userAgent = FkUserAgent.userAgent ?? '';
-      }
-    } catch (e) {
-      userAgent = '';
-    }
-    return 'Team-Mail/${mailboxDashBoardController.appInformation.value?.version} $userAgent';
-  }
-
   void validateInformationBeforeSending(BuildContext context) async {
     if (isSendEmailLoading.isTrue) {
       return;
diff --git a/lib/features/mailbox/presentation/mailbox_view.dart b/lib/features/mailbox/presentation/mailbox_view.dart
index d660d8d1f..cd892d688 100644
--- a/lib/features/mailbox/presentation/mailbox_view.dart
+++ b/lib/features/mailbox/presentation/mailbox_view.dart
@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:model/model.dart';
-import 'package:package_info_plus/package_info_plus.dart';
+import 'package:tmail_ui_user/features/base/widget/application_version_widget.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/base_mailbox_view.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_categories.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_node.dart';
@@ -85,13 +85,25 @@ class MailboxView extends BaseMailboxView {
                           : const SizedBox.shrink(),
                         ),
                         Obx(() {
-                          final appInformation = controller.mailboxDashBoardController.appInformation.value;
-                          if (appInformation != null
-                              && !controller.isSelectionEnabled()) {
-                            if (controller.responsiveUtils.isLandscapeMobile(context)) {
-                              return const SizedBox.shrink();
-                            }
-                            return _buildVersionInformation(context, appInformation);
+                          if (!controller.isSelectionEnabled() && controller.responsiveUtils.isPortraitMobile(context)) {
+                            return Container(
+                              color: AppColor.colorBgMailbox,
+                              width: double.infinity,
+                              padding: const EdgeInsets.all(16),
+                              child: SafeArea(
+                                top: false,
+                                child: ApplicationVersionWidget(
+                                  applicationManager: controller.applicationManager,
+                                  padding: EdgeInsets.zero,
+                                  title: '${AppLocalizations.of(context).version} ',
+                                  textStyle: Theme.of(context).textTheme.labelMedium?.copyWith(
+                                    fontSize: 16,
+                                    color: AppColor.colorContentEmail,
+                                    fontWeight: FontWeight.w500
+                                  ),
+                                ),
+                              ),
+                            );
                           } else {
                             return const SizedBox.shrink();
                           }
@@ -365,20 +377,4 @@ class MailboxView extends BaseMailboxView {
           }
       }).toList() ?? <Widget>[];
   }
-
-  Widget _buildVersionInformation(BuildContext context, PackageInfo packageInfo) {
-    return Container(
-      color: AppColor.colorBgMailbox,
-      width: double.infinity,
-      padding: const EdgeInsets.all(16),
-      child: SafeArea(
-        top: false,
-        child: Text(
-          '${AppLocalizations.of(context).version} ${packageInfo.version}',
-          textAlign: TextAlign.center,
-          style: const TextStyle(fontSize: 16, color: AppColor.colorContentEmail, fontWeight: FontWeight.w500),
-        ),
-      ),
-    );
-  }
 }
\ No newline at end of file
diff --git a/lib/features/mailbox/presentation/mailbox_view_web.dart b/lib/features/mailbox/presentation/mailbox_view_web.dart
index 07e490094..4dbab42c8 100644
--- a/lib/features/mailbox/presentation/mailbox_view_web.dart
+++ b/lib/features/mailbox/presentation/mailbox_view_web.dart
@@ -3,7 +3,7 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:model/model.dart';
-import 'package:package_info_plus/package_info_plus.dart';
+import 'package:tmail_ui_user/features/base/widget/application_version_widget.dart';
 import 'package:tmail_ui_user/features/base/widget/scrollbar_list_view.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/base_mailbox_view.dart';
 import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_categories.dart';
@@ -68,13 +68,10 @@ class MailboxView extends BaseMailboxView {
             textStyle: const TextStyle(color: Colors.black, fontSize: 20, fontWeight: FontWeight.bold),
             logoSVG: controller.imagePaths.icTMailLogo
           ),
-          Obx(() {
-            if (controller.mailboxDashBoardController.appInformation.value != null) {
-              return _buildVersionInformation(context, controller.mailboxDashBoardController.appInformation.value!);
-            } else {
-              return const SizedBox.shrink();
-            }
-          }),
+          ApplicationVersionWidget(
+            applicationManager: controller.mailboxDashBoardController.applicationManager,
+            padding: const EdgeInsets.only(top: 4),
+          )
         ])
     );
   }
@@ -331,15 +328,4 @@ class MailboxView extends BaseMailboxView {
       controller.mailboxDashBoardController.dragSelectedMultipleEmailToMailboxAction(listEmails, presentationMailbox);
     }
   }
-
-  Widget _buildVersionInformation(BuildContext context, PackageInfo packageInfo) {
-    return Container(
-      padding: const EdgeInsets.only(top: 4),
-      child: Text(
-        'v.${packageInfo.version}',
-        textAlign: TextAlign.center,
-        style: const TextStyle(fontSize: 13, color: AppColor.colorContentEmail, fontWeight: FontWeight.w500),
-      ),
-    );
-  }
 }
\ No newline at end of file
diff --git a/lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart b/lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart
index 2a56ca648..a3773f68d 100644
--- a/lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart
+++ b/lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart
@@ -23,7 +23,6 @@ import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:jmap_dart_client/jmap/mail/vacation/vacation_response.dart';
 import 'package:model/model.dart';
-import 'package:package_info_plus/package_info_plus.dart';
 import 'package:pointer_interceptor/pointer_interceptor.dart';
 import 'package:rxdart/transformers.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
@@ -203,7 +202,6 @@ class MailboxDashBoardController extends ReloadableController {
   final mailboxUIAction = Rxn<MailboxUIAction>();
   final emailUIAction = Rxn<EmailUIAction>();
   final dashboardRoute = DashboardRoutes.waiting.obs;
-  final appInformation = Rxn<PackageInfo>();
   final currentSelectMode = SelectMode.INACTIVE.obs;
   final filterMessageOption = FilterMessageOption.all.obs;
   final listEmailSelected = <PresentationEmail>[].obs;
@@ -281,7 +279,6 @@ class MailboxDashBoardController extends ReloadableController {
     _registerPendingEmailContents();
     _registerPendingFileInfo();
     _handleArguments();
-    _getAppVersion();
     super.onReady();
   }
 
@@ -541,12 +538,6 @@ class MailboxDashBoardController extends ReloadableController {
     _handleNotificationMessageFromEmailId(arguments.emailId);
   }
 
-  Future<void> _getAppVersion() async {
-    final info = await PackageInfo.fromPlatform();
-    log('MailboxDashBoardController::_getAppVersion(): ${info.version}');
-    appInformation.value = info;
-  }
-
   void _getVacationResponse() {
     if (accountId.value != null && _getAllVacationInteractor != null) {
       consumeState(_getAllVacationInteractor!.execute(accountId.value!));
@@ -1941,12 +1932,16 @@ class MailboxDashBoardController extends ReloadableController {
   }
 
   void _storeSendingEmailInCaseOfSendingFailureInMobile(SendEmailFailure failure) {
-    if (PlatformInfo.isMobile) {
+    if (PlatformInfo.isMobile &&
+        failure.session != null &&
+        failure.accountId != null &&
+        failure.emailRequest != null
+    ) {
       _tryToStoreSendingEmail(
-          failure.session,
-          failure.accountId,
-          failure.emailRequest,
-          failure.mailboxRequest
+        failure.session!,
+        failure.accountId!,
+        failure.emailRequest!,
+        failure.mailboxRequest
       );
     }
   }
diff --git a/lib/features/mailbox_dashboard/presentation/mailbox_dashboard_view_web.dart b/lib/features/mailbox_dashboard/presentation/mailbox_dashboard_view_web.dart
index 1386e7dc1..622fa1d07 100644
--- a/lib/features/mailbox_dashboard/presentation/mailbox_dashboard_view_web.dart
+++ b/lib/features/mailbox_dashboard/presentation/mailbox_dashboard_view_web.dart
@@ -5,6 +5,7 @@ import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:model/extensions/username_extension.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
+import 'package:tmail_ui_user/features/base/widget/application_version_widget.dart';
 import 'package:tmail_ui_user/features/base/widget/popup_item_no_icon_widget.dart';
 import 'package:tmail_ui_user/features/composer/presentation/composer_view_web.dart';
 import 'package:tmail_ui_user/features/email/presentation/email_view.dart';
@@ -76,21 +77,9 @@ class MailboxDashBoardView extends BaseMailboxDashBoardView {
                             logoSVG: controller.imagePaths.icTMailLogo,
                             onTapCallback: controller.redirectToInboxAction,
                           ),
-                          Obx(() {
-                            if (controller.appInformation.value != null) {
-                              return Padding(padding: const EdgeInsets.only(top: 6),
-                                child: Text(
-                                  'v${controller.appInformation.value!.version}',
-                                  textAlign: TextAlign.center,
-                                  style: const TextStyle(
-                                    fontSize: 13,
-                                    color: AppColor.colorContentEmail,
-                                    fontWeight: FontWeight.w500),
-                                ));
-                            } else {
-                              return const SizedBox.shrink();
-                            }
-                          }),
+                          ApplicationVersionWidget(
+                            applicationManager: controller.applicationManager
+                          )
                         ])
                       ),
                       Expanded(child: Container(
@@ -340,7 +329,10 @@ class MailboxDashBoardView extends BaseMailboxDashBoardView {
           : const SizedBox.shrink(),
         const SizedBox(width: 24),
         Obx(() => (AvatarBuilder()
-          ..text(controller.sessionCurrent?.username.firstCharacter ?? '')
+          ..text(controller.accountId.value != null
+              ? controller.sessionCurrent?.username.firstCharacter ?? ''
+              : ''
+            )
           ..backgroundColor(Colors.white)
           ..textColor(Colors.black)
           ..context(context)
diff --git a/lib/features/manage_account/presentation/manage_account_dashboard_controller.dart b/lib/features/manage_account/presentation/manage_account_dashboard_controller.dart
index 2c7a77ca8..1cc6b2404 100644
--- a/lib/features/manage_account/presentation/manage_account_dashboard_controller.dart
+++ b/lib/features/manage_account/presentation/manage_account_dashboard_controller.dart
@@ -10,7 +10,6 @@ import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/mail/vacation/vacation_response.dart';
 import 'package:model/model.dart';
-import 'package:package_info_plus/package_info_plus.dart';
 import 'package:rule_filter/rule_filter/capability_rule_filter.dart';
 import 'package:server_settings/server_settings/capability_server_settings.dart';
 import 'package:tmail_ui_user/features/base/action/ui_action.dart';
@@ -44,7 +43,6 @@ class ManageAccountDashBoardController extends ReloadableController {
   GetAllVacationInteractor? _getAllVacationInteractor;
   UpdateVacationInteractor? _updateVacationInteractor;
 
-  final appInformation = Rxn<PackageInfo>();
   final accountId = Rxn<AccountId>();
   final accountMenuItemSelected = AccountMenuItem.profiles.obs;
   final settingsPageLevel = SettingsPageLevel.universal.obs;
@@ -66,7 +64,6 @@ class ManageAccountDashBoardController extends ReloadableController {
   void onReady() {
     _initialPageLevel();
     _getArguments();
-    _getAppVersion();
     super.onReady();
   }
 
@@ -151,12 +148,6 @@ class ManageAccountDashBoardController extends ReloadableController {
     }
   }
 
-  Future<void> _getAppVersion() async {
-    final info = await PackageInfo.fromPlatform();
-    log('ManageAccountDashBoardController::_getAppVersion(): ${info.version}');
-    appInformation.value = info;
-  }
-
   void _getVacationResponse() {
     if (accountId.value != null && _getAllVacationInteractor != null) {
       consumeState(_getAllVacationInteractor!.execute(accountId.value!));
diff --git a/lib/features/manage_account/presentation/manage_account_dashboard_view.dart b/lib/features/manage_account/presentation/manage_account_dashboard_view.dart
index 1190fd097..efb63fabf 100644
--- a/lib/features/manage_account/presentation/manage_account_dashboard_view.dart
+++ b/lib/features/manage_account/presentation/manage_account_dashboard_view.dart
@@ -9,6 +9,7 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:model/model.dart';
 import 'package:tmail_ui_user/features/base/state/banner_state.dart';
+import 'package:tmail_ui_user/features/base/widget/application_version_widget.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/mixin/user_setting_popup_menu_mixin.dart';
 import 'package:tmail_ui_user/features/manage_account/presentation/always_read_receipt/always_read_receipt_view.dart';
 import 'package:tmail_ui_user/features/manage_account/presentation/email_rules/email_rules_view.dart';
@@ -55,18 +56,9 @@ class ManageAccountDashBoardView extends GetWidget<ManageAccountDashBoardControl
                         logoSVG: controller.imagePaths.icTMailLogo,
                         onTapCallback: () => controller.backToMailboxDashBoard(context: context),
                       ),
-                      Obx(() {
-                        if (controller.appInformation.value != null) {
-                          return Padding(padding: const EdgeInsets.only(top: 6),
-                              child: Text(
-                                'v.${controller.appInformation.value!.version}',
-                                textAlign: TextAlign.center,
-                                style: const TextStyle(fontSize: 13, color: AppColor.colorContentEmail, fontWeight: FontWeight.w500),
-                              ));
-                        } else {
-                          return const SizedBox.shrink();
-                        }
-                      }),
+                      ApplicationVersionWidget(
+                        applicationManager: controller.applicationManager
+                      )
                     ])
                 ),
                 Expanded(child: Padding(
diff --git a/lib/features/manage_account/presentation/menu/manage_account_menu_view.dart b/lib/features/manage_account/presentation/menu/manage_account_menu_view.dart
index 7de028f2b..7154338c6 100644
--- a/lib/features/manage_account/presentation/menu/manage_account_menu_view.dart
+++ b/lib/features/manage_account/presentation/menu/manage_account_menu_view.dart
@@ -4,6 +4,7 @@ import 'package:core/utils/direction_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/base/widget/application_version_widget.dart';
 import 'package:tmail_ui_user/features/manage_account/presentation/menu/manage_account_menu_controller.dart';
 import 'package:tmail_ui_user/features/manage_account/presentation/menu/widgets/account_menu_item_tile_builder.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
@@ -31,20 +32,10 @@ class ManageAccountMenuView extends GetWidget<ManageAccountMenuController> {
                            textStyle: const TextStyle(color: Colors.black, fontSize: 20, fontWeight: FontWeight.bold),
                            logoSVG: controller.imagePaths.icTMailLogo
                          ),
-                         Obx(() {
-                           if (controller.dashBoardController.appInformation.value != null) {
-                             return Padding(
-                               padding: const EdgeInsets.only(top: 4),
-                               child: Text(
-                                 'v.${controller.dashBoardController.appInformation.value!.version}',
-                                 textAlign: TextAlign.center,
-                                 style: const TextStyle(fontSize: 13, color: AppColor.colorContentEmail, fontWeight: FontWeight.w500),
-                               ),
-                             );
-                           } else {
-                             return const SizedBox.shrink();
-                           }
-                         }),
+                         ApplicationVersionWidget(
+                           applicationManager:  controller.dashBoardController.applicationManager,
+                           padding: const EdgeInsets.only(top: 4),
+                         )
                        ])
                    ),
                  if (!controller.responsiveUtils.isWebDesktop(context))
diff --git a/lib/main/bindings/core/core_bindings.dart b/lib/main/bindings/core/core_bindings.dart
index 389a91fcb..fea26aee3 100644
--- a/lib/main/bindings/core/core_bindings.dart
+++ b/lib/main/bindings/core/core_bindings.dart
@@ -3,6 +3,7 @@ import 'package:core/data/utils/device_manager.dart';
 import 'package:core/presentation/resources/image_paths.dart';
 import 'package:core/presentation/utils/app_toast.dart';
 import 'package:core/presentation/utils/responsive_utils.dart';
+import 'package:core/utils/application_manager.dart';
 import 'package:core/utils/config/app_config_loader.dart';
 import 'package:core/utils/file_utils.dart';
 import 'package:core/utils/platform_info.dart';
@@ -62,6 +63,7 @@ class CoreBindings extends Bindings {
     Get.put(AppConfigLoader());
     Get.put(FileUtils());
     Get.put(PrintUtils());
+    Get.put(ApplicationManager(Get.find<DeviceInfoPlugin>()));
   }
 
   void _bindingIsolate() {
diff --git a/model/pubspec.lock b/model/pubspec.lock
index 2361d5268..aee232529 100644
--- a/model/pubspec.lock
+++ b/model/pubspec.lock
@@ -304,6 +304,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  fk_user_agent:
+    dependency: transitive
+    description:
+      name: fk_user_agent
+      sha256: fd6c94e120786985a292d12f61422a581f4e851148d5940af38b819357b8ad0d
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   flex_color_picker:
     dependency: transitive
     description:
@@ -648,6 +656,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  package_info_plus:
+    dependency: transitive
+    description:
+      name: package_info_plus
+      sha256: "7e76fad405b3e4016cd39d08f455a4eb5199723cf594cd1b8916d47140d93017"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "9bc8ba46813a4cc42c66ab781470711781940780fd8beddd0c3da62506d3a6c6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   path:
     dependency: transitive
     description:
diff --git a/pubspec.lock b/pubspec.lock
index 0f8d80bcd..7d5ccb764 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -594,7 +594,7 @@ packages:
     source: hosted
     version: "1.1.0"
   fk_user_agent:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: fk_user_agent
       sha256: fd6c94e120786985a292d12f61422a581f4e851148d5940af38b819357b8ad0d
@@ -1272,7 +1272,7 @@ packages:
     source: hosted
     version: "2.1.0"
   package_info_plus:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: package_info_plus
       sha256: "7e76fad405b3e4016cd39d08f455a4eb5199723cf594cd1b8916d47140d93017"
diff --git a/pubspec.yaml b/pubspec.yaml
index 45f423df5..3b82ed947 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -152,16 +152,12 @@ dependencies:
 
   hive: 2.2.3
 
-  fk_user_agent: 2.1.0
-
   pointer_interceptor: 0.9.1
 
   rxdart: 0.27.7
 
   connectivity_plus: 3.0.3
 
-  package_info_plus: 4.2.0
-
   dropdown_button2: 2.0.0
 
   flutter_staggered_grid_view: 0.6.2
diff --git a/test/features/email/presentation/controller/single_email_controller_test.dart b/test/features/email/presentation/controller/single_email_controller_test.dart
index a64474e93..79491b713 100644
--- a/test/features/email/presentation/controller/single_email_controller_test.dart
+++ b/test/features/email/presentation/controller/single_email_controller_test.dart
@@ -1,6 +1,7 @@
 import 'dart:ui';
 
 import 'package:core/core.dart';
+import 'package:core/utils/application_manager.dart';
 import 'package:dartz/dartz.dart' hide State;
 import 'package:flutter_test/flutter_test.dart';
 import 'package:get/get.dart';
@@ -86,6 +87,7 @@ const fallbackGenerators = {
   MockSpec<RejectCalendarEventInteractor>(),
   MockSpec<StoreEventAttendanceStatusInteractor>(),
   MockSpec<PrintUtils>(),
+  MockSpec<ApplicationManager>(),
 ])
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
@@ -118,6 +120,7 @@ void main() {
   final printEmailInteractor = MockPrintEmailInteractor();
   final storeEventAttendanceStatusInteractor = MockStoreEventAttendanceStatusInteractor();
   final printUtils = MockPrintUtils();
+  final applicationManager = MockApplicationManager();
 
   late SingleEmailController singleEmailController;
 
@@ -151,6 +154,7 @@ void main() {
     Get.put<ResponsiveUtils>(responsiveUtils);
     Get.put<Uuid>(uuid);
     Get.put<PrintUtils>(printUtils);
+    Get.put<ApplicationManager>(applicationManager);
 
     when(mailboxDashboardController.accountId).thenReturn(Rxn(testAccountId));
     when(uuid.v4()).thenReturn(testTaskId);
@@ -257,7 +261,7 @@ void main() {
             BlobCalendarEvent(
               blobId: blobId,
               calendarEventList: [calendarEvent])]));
-        
+
         // act
         singleEmailController.onCalendarEventReplyAction(EventActionType.no, emailId);
         await untilCalled(rejectCalendarEventInteractor.execute(any, any, any, any));