diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 965383b..488914e 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -30,6 +30,15 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+        <provider
+            android:name="sk.fourq.otaupdate.OtaUpdateFileProvider"
+            android:authorities="${applicationId}.ota_update_provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+            android:name="android.support.FILE_PROVIDER_PATHS"
+            android:resource="@xml/filepaths" />
+        </provider>
     </application>
 
     <!-- Permissions options for the `storage` group -->
@@ -39,6 +48,7 @@
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
     <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
 
     <!-- Permissions options for the `camera` group -->
     <uses-permission android:name="android.permission.CAMERA"/>
diff --git a/android/app/src/main/res/xml/filepaths.xml b/android/app/src/main/res/xml/filepaths.xml
new file mode 100644
index 0000000..774ca56
--- /dev/null
+++ b/android/app/src/main/res/xml/filepaths.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+<files-path name="internal_apk_storage" path="ota_update/"/>
+</paths>
\ No newline at end of file
diff --git a/lib/config/constant.dart b/lib/config/constant.dart
index 7bd69f9..e852b4f 100644
--- a/lib/config/constant.dart
+++ b/lib/config/constant.dart
@@ -45,3 +45,7 @@ const String LOGIN_API = 'https://mp4.ikksgroup.com' + "/authentication/login";
 const String PRODUCT_API = 'https://mp4.ikksgroup.com' + "/example/getProduct";
 const String SERVLET_API =
     'https://mp4.ikksgroup.com' + "/MobilePortal4_external/UploadPhotoServlet";
+
+// https://blogit.q2ii.fr
+// https://mp4.ikksgroup.com
+const String DOMAIN_CHECK_VERSION = 'https://mp4.ikksgroup.com';
diff --git a/lib/network/api_provider.dart b/lib/network/api_provider.dart
index 31bea63..a997956 100644
--- a/lib/network/api_provider.dart
+++ b/lib/network/api_provider.dart
@@ -481,4 +481,24 @@ class ApiProvider {
   void close() {
     _dio.close();
   }
+
+  Future<bool> checkAppVersion() async {
+    try {
+      final response = await http
+          .get(Uri.parse(DOMAIN_CHECK_VERSION + '/deploy/mobdr/version.json'));
+      final data = jsonDecode(response.body);
+
+      if (data.containsKey('latest_version')) {
+        if (data['latest_version'] != SharedPrefs().appVersion) {
+          // The versions differ
+          return true;
+        }
+      }
+    } catch (e) {
+      print('Error verifying the version : $e');
+    }
+
+    // If an error has occurred or if the versions are identical
+    return false;
+  }
 }
diff --git a/lib/ui/account/tab_account.dart b/lib/ui/account/tab_account.dart
index 3c319df..fae6cf8 100644
--- a/lib/ui/account/tab_account.dart
+++ b/lib/ui/account/tab_account.dart
@@ -11,6 +11,7 @@ import 'package:mobdr/ui/account/settings.dart';
 import 'package:mobdr/ui/account/log.dart';
 import 'package:mobdr/ui/general/notification.dart';
 import 'package:mobdr/ui/reusable/reusable_widget.dart';
+import 'package:mobdr/ui/appstore/updatecheck.dart';
 import 'package:flutter/material.dart';
 import 'package:mobdr/ui/authentication/signin.dart';
 import 'dart:convert';
@@ -78,6 +79,8 @@ class _TabAccountPageState extends State<TabAccountPage>
             _reusableWidget.divider1(),
             _createListMenu('Show logs', LogPage()),
             _reusableWidget.divider1(),
+            _createListMenu('Check version', UpdateCheckPage()),
+            _reusableWidget.divider1(),
             Container(
               margin: EdgeInsets.fromLTRB(0, 18, 0, 0),
               child: GestureDetector(
diff --git a/lib/ui/appstore/updatecheck.dart b/lib/ui/appstore/updatecheck.dart
new file mode 100644
index 0000000..9e4ea75
--- /dev/null
+++ b/lib/ui/appstore/updatecheck.dart
@@ -0,0 +1,175 @@
+import 'dart:convert';
+import 'package:flutter/material.dart';
+import 'package:ota_update/ota_update.dart';
+import 'package:http/http.dart' as http;
+
+import 'package:mobdr/service/shared_prefs.dart';
+import 'package:mobdr/config/constant.dart';
+
+class UpdateCheckPage extends StatefulWidget {
+  @override
+  _UpdateCheckPageState createState() => _UpdateCheckPageState();
+}
+
+class _UpdateCheckPageState extends State<UpdateCheckPage> {
+  OtaEvent? currentEvent = null;
+
+  String _currentVersion = SharedPrefs().appVersion;
+  String _latestVersion = '';
+  String _releaseDate = '';
+  List<String> _releaseNotes = [];
+  String _downloadLink = '';
+  String _checksum = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _fetchLatestVersion();
+  }
+
+  Future<void> _fetchLatestVersion() async {
+    try {
+      final response = await http
+          .get(Uri.parse(DOMAIN_CHECK_VERSION + '/deploy/mobdr/version.json'));
+      final data = jsonDecode(response.body);
+
+      setState(() {
+        _latestVersion = data['latest_version'];
+        _releaseDate = data['release_date'];
+        _releaseNotes = List<String>.from(data['release_notes']);
+        _downloadLink = data['download_link'];
+        _checksum = data['checksum'];
+      });
+    } catch (e) {
+      print('Error retrieving latest version : $e');
+    }
+  }
+
+  Future<void> _doUpdate() async {
+    try {
+      OtaUpdate()
+          .execute(
+        _downloadLink,
+        // OPTIONAL
+        destinationFilename: 'app_release.apk',
+        //OPTIONAL, ANDROID ONLY - ABILITY TO VALIDATE CHECKSUM OF FILE:
+        sha256checksum: _checksum,
+      )
+          .listen(
+        (OtaEvent event) {
+          setState(() => currentEvent = event);
+        },
+      );
+    } catch (e) {
+      print('Failed to make OTA update. Details: $e');
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Checking for update'),
+      ),
+      body: Center(
+          child: currentEvent == null
+              ? Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    Text(
+                      'Current version : ',
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 16,
+                      ),
+                    ),
+                    Text(
+                      _currentVersion,
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 22,
+                        color: Colors.red,
+                      ),
+                    ),
+                    SizedBox(height: 16),
+                    Text(
+                      'Version available : ',
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 18,
+                      ),
+                    ),
+                    Text(
+                      _latestVersion,
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 24,
+                        color: Colors.green,
+                      ),
+                    ),
+                    if (_currentVersion != _latestVersion) ...[
+                      SizedBox(height: 16),
+                      Text(
+                        'Publication date : $_releaseDate',
+                        style: TextStyle(fontWeight: FontWeight.bold),
+                      ),
+                      SizedBox(height: 8),
+                      Text(
+                        'Release notes :',
+                        style: TextStyle(fontWeight: FontWeight.bold),
+                      ),
+                      for (String note in _releaseNotes) ...[
+                        SizedBox(height: 4),
+                        Text('- $note'),
+                      ],
+                      SizedBox(height: 16),
+                      ElevatedButton(
+                        onPressed: _doUpdate,
+                        child: Text(
+                          'Update',
+                          style: TextStyle(
+                            fontWeight: FontWeight.bold,
+                            fontSize: 18,
+                          ),
+                        ),
+                        style: ElevatedButton.styleFrom(
+                          backgroundColor: Colors.blue,
+                        ),
+                      ),
+                    ] else ...[
+                      SizedBox(height: 32),
+                      Text(
+                        'You have the latest version',
+                        style: TextStyle(
+                          fontWeight: FontWeight.bold,
+                          fontSize: 18,
+                        ),
+                      ),
+                    ],
+                  ],
+                )
+              : Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    Text(
+                      'OTA status',
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 24,
+                      ),
+                    ),
+                    SizedBox(height: 32),
+                    Text('${currentEvent!.status}'),
+                    SizedBox(height: 16),
+                    Text(
+                      '${currentEvent!.value}',
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 16,
+                      ),
+                    )
+                  ],
+                )),
+    );
+  }
+}
diff --git a/lib/ui/sync/tab_synchro.dart b/lib/ui/sync/tab_synchro.dart
index 252a931..492b291 100644
--- a/lib/ui/sync/tab_synchro.dart
+++ b/lib/ui/sync/tab_synchro.dart
@@ -7,6 +7,7 @@ import 'package:mobdr/config/global_style.dart';
 import 'package:mobdr/main.dart';
 import 'package:mobdr/events.dart';
 import 'package:mobdr/ui/reusable/reusable_widget.dart';
+import 'package:mobdr/ui/appstore/updatecheck.dart';
 import 'package:mobdr/service/shared_prefs.dart';
 import 'package:mobdr/network/api_provider.dart';
 import 'package:mobdr/db/box_visit_photo.dart';
@@ -71,7 +72,43 @@ class _SynchronizationPageState extends State<SynchronizationPage>
       _isInternetConnexion = true;
 
       // synchronization start
-      startSync();
+      await startSync();
+
+      // Vérifier si une mise à jour est disponible
+      bool isUpdateAvailable = await _apiProvider.checkAppVersion();
+
+      if (isUpdateAvailable) {
+        // Afficher le message de mise à jour
+        showDialog(
+          context: context,
+          builder: (BuildContext context) {
+            return AlertDialog(
+              title: Text("New version available"),
+              content: Text(
+                  "A new version is available. Would you like to install it?"),
+              actions: [
+                TextButton(
+                  child: Text("No"),
+                  onPressed: () {
+                    Navigator.pop(context); // Closes the dialog box
+                  },
+                ),
+                TextButton(
+                  child: Text("Yes"),
+                  onPressed: () {
+                    Navigator.pop(context); // Closes the dialog box
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                          builder: (context) => UpdateCheckPage()),
+                    );
+                  },
+                ),
+              ],
+            );
+          },
+        );
+      }
     }
   }
 
@@ -200,7 +237,7 @@ class _SynchronizationPageState extends State<SynchronizationPage>
     }
   }
 
-  void startSync() async {
+  Future<void> startSync() async {
     // disable navigation bar buttons
     eventBus.fire(SynchronizationEvent(true));
 
diff --git a/macos/Podfile.lock b/macos/Podfile.lock
index c77e049..10e64f5 100644
--- a/macos/Podfile.lock
+++ b/macos/Podfile.lock
@@ -1,4 +1,6 @@
 PODS:
+  - audioplayers_darwin (0.0.1):
+    - FlutterMacOS
   - connectivity_plus (0.0.1):
     - FlutterMacOS
     - ReachabilitySwift
@@ -28,13 +30,14 @@ PODS:
     - FlutterMacOS
 
 DEPENDENCIES:
+  - audioplayers_darwin (from `Flutter/ephemeral/.symlinks/plugins/audioplayers_darwin/macos`)
   - connectivity_plus (from `Flutter/ephemeral/.symlinks/plugins/connectivity_plus/macos`)
   - device_info_plus (from `Flutter/ephemeral/.symlinks/plugins/device_info_plus/macos`)
   - FlutterMacOS (from `Flutter/ephemeral`)
   - objectbox_flutter_libs (from `Flutter/ephemeral/.symlinks/plugins/objectbox_flutter_libs/macos`)
   - package_info_plus (from `Flutter/ephemeral/.symlinks/plugins/package_info_plus/macos`)
-  - path_provider_foundation (from `Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/macos`)
-  - shared_preferences_foundation (from `Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/macos`)
+  - path_provider_foundation (from `Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin`)
+  - shared_preferences_foundation (from `Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/darwin`)
   - sqflite (from `Flutter/ephemeral/.symlinks/plugins/sqflite/macos`)
   - wakelock_macos (from `Flutter/ephemeral/.symlinks/plugins/wakelock_macos/macos`)
 
@@ -45,6 +48,8 @@ SPEC REPOS:
     - ReachabilitySwift
 
 EXTERNAL SOURCES:
+  audioplayers_darwin:
+    :path: Flutter/ephemeral/.symlinks/plugins/audioplayers_darwin/macos
   connectivity_plus:
     :path: Flutter/ephemeral/.symlinks/plugins/connectivity_plus/macos
   device_info_plus:
@@ -56,15 +61,16 @@ EXTERNAL SOURCES:
   package_info_plus:
     :path: Flutter/ephemeral/.symlinks/plugins/package_info_plus/macos
   path_provider_foundation:
-    :path: Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/macos
+    :path: Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin
   shared_preferences_foundation:
-    :path: Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/macos
+    :path: Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/darwin
   sqflite:
     :path: Flutter/ephemeral/.symlinks/plugins/sqflite/macos
   wakelock_macos:
     :path: Flutter/ephemeral/.symlinks/plugins/wakelock_macos/macos
 
 SPEC CHECKSUMS:
+  audioplayers_darwin: dcad41de4fbd0099cb3749f7ab3b0cb8f70b810c
   connectivity_plus: 18d3c32514c886e046de60e9c13895109866c747
   device_info_plus: 5401765fde0b8d062a2f8eb65510fb17e77cf07f
   FlutterMacOS: 8f6f14fa908a6fb3fba0cd85dbd81ec4b251fb24
diff --git a/pubspec.lock b/pubspec.lock
index ef81716..5133d87 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -429,10 +429,10 @@ packages:
     dependency: transitive
     description:
       name: ffi
-      sha256: a38574032c5f1dd06c4aee541789906c12ccaab8ba01446e800d9c5b79c4a978
+      sha256: ed5337a5660c506388a9f012be0288fb38b49020ce2b45fe1f8b8323fe429f99
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   file:
     dependency: transitive
     description:
@@ -781,6 +781,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
+  ota_update:
+    dependency: "direct main"
+    description:
+      name: ota_update
+      sha256: "7ce0af2119458cb7cc3122ecdc4e18ec3c0108162bfab9a4b064d686e1a5fc22"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.0"
   package_config:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 465359b..058fb76 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.0.1+1
+version: 0.2.3+1
 
 environment:
   sdk: '>=2.19.0 <3.0.0'
@@ -99,7 +99,7 @@ dependencies:
   # https://pub.dev/packages/device_info_plus/
   device_info_plus: ^8.2.0
 
-  # https://pwebview_flutterub.dev/packages/webview_flutter/
+  # https://pub.dev/packages/webview_flutter/
   # MP4
   webview_flutter: ^4.2.1
   
@@ -121,6 +121,9 @@ dependencies:
   # https://pub.dev/packages/permission_handler
   permission_handler: 10.3.0
 
+  # https://pub.dev/packages/ota_update
+  ota_update: ^5.1.0
+
   # hhttps://pub.dev/packages/timelines
   #timelines: ^0.1.0