diff --git a/salesbook.Maui/Core/Services/ManageDataService.cs b/salesbook.Maui/Core/Services/ManageDataService.cs
index faa35d8..a9c240e 100644
--- a/salesbook.Maui/Core/Services/ManageDataService.cs
+++ b/salesbook.Maui/Core/Services/ManageDataService.cs
@@ -90,14 +90,22 @@ public class ManageDataService(
 
     public async Task<List<ContactDTO>> GetContact(WhereCondContact? whereCond, DateTime? lastSync)
     {
-        List<AnagClie>? contactList;
-        List<PtbPros>? prospectList;
         whereCond ??= new WhereCondContact();
 
+        // Ottengo liste locali
+        var contactList = await localDb.Get<AnagClie>(x =>
+            (whereCond.FlagStato != null && x.FlagStato == whereCond.FlagStato) ||
+            (whereCond.PartIva != null && x.PartIva == whereCond.PartIva) ||
+            (whereCond.PartIva == null && whereCond.FlagStato == null)
+        );
+
+        var prospectList = await localDb.Get<PtbPros>(x =>
+            (whereCond.PartIva != null && x.PartIva == whereCond.PartIva) ||
+            (whereCond.PartIva == null)
+        );
+
         if (networkService.ConnectionAvailable)
         {
-            var response = new UsersSyncResponseDTO();
-            
             var clienti = await integryApiService.RetrieveAnagClie(
                 new CRMAnagRequestDTO
                 {
@@ -109,10 +117,6 @@ public class ManageDataService(
                 }
             );
 
-            response.AnagClie = clienti.AnagClie;
-            response.VtbDest = clienti.VtbDest;
-            response.VtbCliePersRif = clienti.VtbCliePersRif;
-
             var prospect = await integryApiService.RetrieveProspect(
                 new CRMProspectRequestDTO
                 {
@@ -122,38 +126,62 @@ public class ManageDataService(
                     FilterDate = lastSync
                 }
             );
+            
+            _ = UpdateDbUsers(new UsersSyncResponseDTO
+            {
+                AnagClie = clienti.AnagClie,
+                VtbDest = clienti.VtbDest,
+                VtbCliePersRif = clienti.VtbCliePersRif,
+                PtbPros = prospect.PtbPros,
+                PtbProsRif = prospect.PtbProsRif
+            });
 
-            response.PtbPros = prospect.PtbPros;
-            response.PtbProsRif = prospect.PtbProsRif;
+            if (lastSync != null)
+            {
+                contactList = MergeLists(
+                    contactList,
+                    clienti.AnagClie,
+                    x => x.CodAnag
+                );
 
-            _ = UpdateDbUsers(response);
-
-            contactList = clienti.AnagClie;
-            prospectList = prospect.PtbPros;
-        }
-        else
-        {
-            contactList = await localDb.Get<AnagClie>(x =>
-                (whereCond.FlagStato != null && x.FlagStato.Equals(whereCond.FlagStato)) ||
-                (whereCond.PartIva != null && x.PartIva.Equals(whereCond.PartIva)) ||
-                (whereCond.PartIva == null && whereCond.FlagStato == null)
-            );
-            prospectList = await localDb.Get<PtbPros>(x =>
-                (whereCond.PartIva != null && x.PartIva.Equals(whereCond.PartIva)) ||
-                (whereCond.PartIva == null)
-            );
+                prospectList = MergeLists(
+                    prospectList,
+                    prospect.PtbPros,
+                    x => x.CodPpro
+                );
+            }
+            else
+            {
+                contactList = clienti.AnagClie;
+                prospectList = prospect.PtbPros;
+            }
         }
 
         // Mappa i contatti
         var contactMapper = mapper.Map<List<ContactDTO>>(contactList);
 
-        // Mappa i prospects
+        // Mappa i prospect
         var prospectMapper = mapper.Map<List<ContactDTO>>(prospectList);
 
         contactMapper.AddRange(prospectMapper);
 
         return contactMapper;
     }
+    
+    private static List<T>? MergeLists<T, TKey>(List<T>? localList, List<T>? apiList, Func<T, TKey> keySelector)
+    {
+        if (localList == null || apiList == null) return null;
+        
+        var dictionary = localList.ToDictionary(keySelector);
+
+        foreach (var apiItem in apiList)
+        {
+            var key = keySelector(apiItem);
+            dictionary[key] = apiItem;
+        }
+
+        return dictionary.Values.ToList();
+    }
 
     public async Task<ContactDTO?> GetSpecificContact(string codAnag, bool isContact)
     {
@@ -240,7 +268,7 @@ public class ManageDataService(
             .Distinct().ToList();
 
         IDictionary<string, string?>? distinctUser = null;
-        
+
         if (userListState.AllUsers != null)
         {
             distinctUser = userListState.AllUsers
@@ -251,7 +279,8 @@ public class ManageDataService(
         var returnDto = activities
             .Select(activity =>
             {
-                if (activity.CodJcom is "0000" && userSession.ProfileDb != null && userSession.ProfileDb.Equals("smetar", StringComparison.OrdinalIgnoreCase))
+                if (activity.CodJcom is "0000" && userSession.ProfileDb != null &&
+                    userSession.ProfileDb.Equals("smetar", StringComparison.OrdinalIgnoreCase))
                 {
                     activity.CodJcom = null;
                 }
@@ -263,8 +292,7 @@ public class ManageDataService(
                     var minuteBefore = activity.EstimatedTime.Value - activity.AlarmTime.Value;
                     dto.MinuteBefore = (int)Math.Abs(minuteBefore.TotalMinutes);
 
-                    dto.NotificationDate = dto.MinuteBefore == 0 ?
-                        activity.EstimatedTime : activity.AlarmTime;
+                    dto.NotificationDate = dto.MinuteBefore == 0 ? activity.EstimatedTime : activity.AlarmTime;
                 }
 
                 if (activity.CodJcom != null)
@@ -281,7 +309,7 @@ public class ManageDataService(
                     string? ragSoc;
 
                     if (distinctUser != null && (distinctUser.TryGetValue(activity.CodAnag, out ragSoc) ||
-                        distinctUser.TryGetValue(activity.CodAnag, out ragSoc)))
+                                                 distinctUser.TryGetValue(activity.CodAnag, out ragSoc)))
                     {
                         dto.Cliente = ragSoc;
                     }
@@ -343,7 +371,7 @@ public class ManageDataService(
     public async Task DeleteProspect(string codPpro)
     {
         var persRifList = await GetTable<PtbProsRif>(x => x.CodPpro!.Equals(codPpro));
-        
+
         if (!persRifList.IsNullOrEmpty())
         {
             foreach (var persRif in persRifList)
diff --git a/salesbook.Maui/Core/System/GenericSystemService.cs b/salesbook.Maui/Core/System/GenericSystemService.cs
new file mode 100644
index 0000000..022f53d
--- /dev/null
+++ b/salesbook.Maui/Core/System/GenericSystemService.cs
@@ -0,0 +1,8 @@
+using salesbook.Shared.Core.Interface.System;
+
+namespace salesbook.Maui.Core.System;
+
+public class GenericSystemService : IGenericSystemService
+{
+    public string GetCurrentAppVersion() => AppInfo.VersionString;
+}
\ No newline at end of file
diff --git a/salesbook.Maui/MauiProgram.cs b/salesbook.Maui/MauiProgram.cs
index e1bf355..7430936 100644
--- a/salesbook.Maui/MauiProgram.cs
+++ b/salesbook.Maui/MauiProgram.cs
@@ -7,6 +7,7 @@ using MudBlazor.Services;
 using MudExtensions.Services;
 using salesbook.Maui.Core.RestClient.IntegryApi;
 using salesbook.Maui.Core.Services;
+using salesbook.Maui.Core.System;
 using salesbook.Maui.Core.System.Network;
 using salesbook.Maui.Core.System.Notification;
 using salesbook.Maui.Core.System.Notification.Push;
@@ -16,6 +17,7 @@ using salesbook.Shared.Core.Dto.PageState;
 using salesbook.Shared.Core.Helpers;
 using salesbook.Shared.Core.Interface;
 using salesbook.Shared.Core.Interface.IntegryApi;
+using salesbook.Shared.Core.Interface.System;
 using salesbook.Shared.Core.Interface.System.Network;
 using salesbook.Shared.Core.Interface.System.Notification;
 using salesbook.Shared.Core.Messages.Activity.Copy;
@@ -102,6 +104,7 @@ namespace salesbook.Maui
             builder.Services.AddSingleton<IFormFactor, FormFactor>();
             builder.Services.AddSingleton<IAttachedService, AttachedService>();
             builder.Services.AddSingleton<INetworkService, NetworkService>();
+            builder.Services.AddSingleton<IGenericSystemService, GenericSystemService>();
             builder.Services.AddSingleton<LocalDbService>();
 
             _ = typeof(System.Runtime.InteropServices.SafeHandle);
diff --git a/salesbook.Maui/salesbook.Maui.csproj b/salesbook.Maui/salesbook.Maui.csproj
index cd056de..aeadbe4 100644
--- a/salesbook.Maui/salesbook.Maui.csproj
+++ b/salesbook.Maui/salesbook.Maui.csproj
@@ -29,8 +29,8 @@
 		<ApplicationId>it.integry.salesbook</ApplicationId>
 
 		<!-- Versions -->
-		<ApplicationDisplayVersion>2.1.5</ApplicationDisplayVersion>
-		<ApplicationVersion>23</ApplicationVersion>
+		<ApplicationDisplayVersion>2.2.0</ApplicationDisplayVersion>
+		<ApplicationVersion>24</ApplicationVersion>
 
 		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
 		<!--<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">
diff --git a/salesbook.Shared/Components/Pages/Home.razor b/salesbook.Shared/Components/Pages/Home.razor
index 028a2d8..cdf0185 100644
--- a/salesbook.Shared/Components/Pages/Home.razor
+++ b/salesbook.Shared/Components/Pages/Home.razor
@@ -23,6 +23,7 @@
     {
         var lastSyncDate = LocalStorage.Get<DateTime>("last-sync");
         var syncAllData = lastSyncDate.Equals(DateTime.MinValue) || (DateTime.Now - lastSyncDate).TotalDays >= 7;
+        var syncCodJcom = lastSyncDate.Day != DateTime.Now.Day;
         
         if (!FormFactor.IsWeb() && NetworkService.ConnectionAvailable && syncAllData)
         {
@@ -31,6 +32,13 @@
             return;
         }
 
+        if (syncCodJcom && !syncAllData)
+        {
+            var returnPath = System.Web.HttpUtility.UrlEncode("/");
+            NavigationManager.NavigateTo($"/sync/{DateTime.Today:yyyy-MM-dd}?path={returnPath}");
+            return;
+        }
+
         NetworkService.ConnectionAvailable = NetworkService.IsNetworkAvailable();
 
         await LoadNotification();
diff --git a/salesbook.Shared/Components/Pages/Login.razor b/salesbook.Shared/Components/Pages/Login.razor
index fd39faf..756401c 100644
--- a/salesbook.Shared/Components/Pages/Login.razor
+++ b/salesbook.Shared/Components/Pages/Login.razor
@@ -1,8 +1,10 @@
 @page "/login"
 @using salesbook.Shared.Components.Layout.Spinner
+@using salesbook.Shared.Core.Interface.System
 @using salesbook.Shared.Core.Services
 @inject IUserAccountService UserAccountService
 @inject AppAuthenticationStateProvider AuthenticationStateProvider
+@inject IGenericSystemService GenericSystemService
 
 @if (Spinner)
 {
@@ -34,7 +36,7 @@ else
             </div>
 
             <div class="my-4 login-footer">
-                <span>Powered by</span>
+                <span>@($"v{GenericSystemService.GetCurrentAppVersion()} | Powered by")</span>
                 <img src="_content/salesbook.Shared/images/logoIntegry.svg" class="img-fluid" alt="Integry">
             </div>
         </div>
diff --git a/salesbook.Shared/Components/Pages/PersonalInfo.razor b/salesbook.Shared/Components/Pages/PersonalInfo.razor
index 719bf67..e0810c7 100644
--- a/salesbook.Shared/Components/Pages/PersonalInfo.razor
+++ b/salesbook.Shared/Components/Pages/PersonalInfo.razor
@@ -1,6 +1,7 @@
 @page "/PersonalInfo"
 @attribute [Authorize]
 @using salesbook.Shared.Components.Layout
+@using salesbook.Shared.Components.SingleElements
 @using salesbook.Shared.Core.Authorization.Enum
 @using salesbook.Shared.Core.Interface
 @using salesbook.Shared.Core.Interface.System.Network
@@ -16,7 +17,8 @@
     <div class="container content pb-safe-area">
         <div class="container-primary-info">
             <div class="section-primary-info">
-                <MudAvatar Style="height: 70px; width: 70px; font-size: 2rem; font-weight: bold" Color="Color.Secondary">
+                <MudAvatar Style="height: 70px; width: 70px; font-size: 2rem; font-weight: bold"
+                           Color="Color.Secondary">
                     @UtilityString.ExtractInitials(UserSession.User.Fullname)
                 </MudAvatar>
 
@@ -24,7 +26,8 @@
                     <span class="info-nome">@UserSession.User.Fullname</span>
                     @if (UserSession.User.KeyGroup is not null)
                     {
-                        <span class="info-section">@(((KeyGroupEnum)UserSession.User.KeyGroup).ConvertToHumanReadable())</span>
+                        <span
+                            class="info-section">@(((KeyGroupEnum)UserSession.User.KeyGroup).ConvertToHumanReadable())</span>
                     }
                 </div>
             </div>
@@ -85,7 +88,7 @@
                        FullWidth="true"
                        StartIcon="@Icons.Material.Outlined.Sync"
                        Size="Size.Medium"
-                       OnClick="() => UpdateDb()"
+                       OnClick="@(() => UpdateDb())"
                        Variant="Variant.Outlined">
                 Sincronizza
             </MudButton>
@@ -113,6 +116,8 @@
             </MudButton>
         </div>
     </div>
+
+    <AppVersion/>
 }
 
 @code {
@@ -149,6 +154,8 @@
 
     private void UpdateDb(bool withData = false)
     {
+        LocalStorage.Remove("last-user-sync");
+        
         var absoluteUri = NavigationManager.ToAbsoluteUri(NavigationManager.Uri);
         var pathAndQuery = absoluteUri.Segments.Length > 1 ? absoluteUri.PathAndQuery : null;
 
diff --git a/salesbook.Shared/Components/Pages/SyncPage.razor b/salesbook.Shared/Components/Pages/SyncPage.razor
index 1597d9f..7c93c2a 100644
--- a/salesbook.Shared/Components/Pages/SyncPage.razor
+++ b/salesbook.Shared/Components/Pages/SyncPage.razor
@@ -1,24 +1,29 @@
 @page "/sync"
 @page "/sync/{DateFilter}"
 @using salesbook.Shared.Components.Layout.Spinner
+@using salesbook.Shared.Components.SingleElements
 @using salesbook.Shared.Core.Interface
-@inject ISyncDbService syncDb
-@inject IManageDataService manageData
+@inject ISyncDbService SyncDb
+@inject IManageDataService ManageData
 
 <SyncSpinner Elements="@Elements"/>
 
+<AppVersion/>
+
 @code {
     [Parameter] public string? DateFilter { get; set; }
 
     private Dictionary<string, bool> Elements { get; set; } = new();
 
-    private bool _hasStarted = false;
-    private int _completedCount = 0;
+    private bool _hasStarted;
+    private int _completedCount;
 
     protected override void OnInitialized()
     {
         Elements["Commesse"] = false;
-        Elements["Impostazioni"] = false;
+
+        if (DateFilter is null)
+            Elements["Impostazioni"] = false;
     }
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
@@ -28,9 +33,7 @@
             _hasStarted = true;
 
             if (DateFilter is null)
-            {
-                await manageData.ClearDb();
-            }
+                await ManageData.ClearDb();
 
             await Task.WhenAll(
                 RunAndTrack(SetCommesse),
@@ -58,7 +61,7 @@
 
     private async Task SetCommesse()
     {
-        await Task.Run(async () => { await syncDb.GetAndSaveCommesse(DateFilter); });
+        await Task.Run(async () => { await SyncDb.GetAndSaveCommesse(DateFilter); });
 
         Elements["Commesse"] = true;
         StateHasChanged();
@@ -66,10 +69,13 @@
 
     private async Task SetSettings()
     {
-        await Task.Run(async () => { await syncDb.GetAndSaveSettings(DateFilter); });
+        if (DateFilter is null)
+        {
+            await Task.Run(async () => { await SyncDb.GetAndSaveSettings(DateFilter); });
 
-        Elements["Impostazioni"] = true;
-        StateHasChanged();
+            Elements["Impostazioni"] = true;
+            StateHasChanged();
+        }
     }
 
 }
\ No newline at end of file
diff --git a/salesbook.Shared/Components/SingleElements/AppVersion.razor b/salesbook.Shared/Components/SingleElements/AppVersion.razor
new file mode 100644
index 0000000..0b76be2
--- /dev/null
+++ b/salesbook.Shared/Components/SingleElements/AppVersion.razor
@@ -0,0 +1,6 @@
+@using salesbook.Shared.Core.Interface.System
+@inject IGenericSystemService GenericSystemService
+
+<div class="app-version">
+    <span>@($"v{GenericSystemService.GetCurrentAppVersion()}")</span>
+</div>
\ No newline at end of file
diff --git a/salesbook.Shared/Components/SingleElements/AppVersion.razor.css b/salesbook.Shared/Components/SingleElements/AppVersion.razor.css
new file mode 100644
index 0000000..e4baf00
--- /dev/null
+++ b/salesbook.Shared/Components/SingleElements/AppVersion.razor.css
@@ -0,0 +1,11 @@
+.app-version{
+    width: 100%;
+    display: flex;
+    justify-content: center;
+    margin: 8px 0;
+}
+
+.app-version span{
+    font-size: smaller;
+    color: var(--mud-palette-gray-darker);
+}
\ No newline at end of file
diff --git a/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor b/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
index b91ab32..7811692 100644
--- a/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
+++ b/salesbook.Shared/Components/SingleElements/Modal/ActivityForm.razor
@@ -460,7 +460,10 @@
 
             Users = await ManageData.GetTable<StbUser>();
             if (!ActivityModel.UserName.IsNullOrEmpty())
+            {
                 SelectedUser = Users.FindLast(x => x.UserName.Equals(ActivityModel.UserName));
+                await InvokeAsync(StateHasChanged);
+            }
 
             if (!IsNew && Id != null)
                 ActivityFileList = await IntegryApiService.GetActivityFile(Id);
diff --git a/salesbook.Shared/Core/Interface/System/IGenericSystemService.cs b/salesbook.Shared/Core/Interface/System/IGenericSystemService.cs
new file mode 100644
index 0000000..865e0b1
--- /dev/null
+++ b/salesbook.Shared/Core/Interface/System/IGenericSystemService.cs
@@ -0,0 +1,6 @@
+namespace salesbook.Shared.Core.Interface.System;
+
+public interface IGenericSystemService
+{
+    string GetCurrentAppVersion();
+}
\ No newline at end of file
diff --git a/salesbook.Shared/Core/Services/PreloadService.cs b/salesbook.Shared/Core/Services/PreloadService.cs
index 1915d5e..38feba2 100644
--- a/salesbook.Shared/Core/Services/PreloadService.cs
+++ b/salesbook.Shared/Core/Services/PreloadService.cs
@@ -1,4 +1,6 @@
-using salesbook.Shared.Core.Dto;
+using IntegryApiClient.Core.Domain.Abstraction.Contracts.Storage;
+using Java.Sql;
+using salesbook.Shared.Core.Dto;
 using salesbook.Shared.Core.Dto.Contact;
 using salesbook.Shared.Core.Dto.PageState;
 using salesbook.Shared.Core.Dto.Users;
@@ -6,7 +8,7 @@ using salesbook.Shared.Core.Interface;
 
 namespace salesbook.Shared.Core.Services;
 
-public class PreloadService(IManageDataService manageData, UserListState userState)
+public class PreloadService(IManageDataService manageData, ILocalStorage localStorage, UserListState userState)
 {
     public async Task PreloadUsersAsync()
     {
@@ -14,8 +16,11 @@ public class PreloadService(IManageDataService manageData, UserListState userSta
             return;
 
         userState.IsLoading = true;
+        
+        DateTime? lastSync = localStorage.Get<DateTime>("last-user-sync");
+        lastSync = lastSync.Equals(DateTime.MinValue) ? null : lastSync;
 
-        var users = await manageData.GetContact(new WhereCondContact { FlagStato = "A" });
+        var users = await manageData.GetContact(new WhereCondContact { FlagStato = "A" }, lastSync);
 
         var sorted = users
             .Where(u => !string.IsNullOrWhiteSpace(u.RagSoc))
@@ -27,6 +32,8 @@ public class PreloadService(IManageDataService manageData, UserListState userSta
         userState.FilteredGroupedUserList = userState.GroupedUserList;
         userState.AllUsers = users;
 
+        localStorage.Set("last-user-sync", DateTime.Now);
+
         userState.NotifyUsersLoaded();
     }