diff --git a/src/Controls/src/Core/Application/Application.cs b/src/Controls/src/Core/Application/Application.cs
index 73db0faef7e5..4d0c7d73c0b3 100644
--- a/src/Controls/src/Core/Application/Application.cs
+++ b/src/Controls/src/Core/Application/Application.cs
@@ -256,6 +256,7 @@ void TriggerThemeChangedActual()
 
 				OnParentResourcesChanged([new KeyValuePair<string, object>(AppThemeBinding.AppThemeResource, newTheme)]);
 				_weakEventManager.HandleEvent(this, new AppThemeChangedEventArgs(newTheme), nameof(RequestedThemeChanged));
+				OnPropertyChanged(nameof(UserAppTheme));
 			}
 			finally
 			{
diff --git a/src/Core/src/Handlers/Application/ApplicationHandler.Android.cs b/src/Core/src/Handlers/Application/ApplicationHandler.Android.cs
index 5304c02b1b5e..3adbe79a23d4 100644
--- a/src/Core/src/Handlers/Application/ApplicationHandler.Android.cs
+++ b/src/Core/src/Handlers/Application/ApplicationHandler.Android.cs
@@ -30,5 +30,10 @@ public static partial void MapCloseWindow(ApplicationHandler handler, IApplicati
 					activity.Finish();
 			}
 		}
+
+		internal static partial void MapAppTheme(ApplicationHandler handler, IApplication application)
+		{
+			application?.UpdateNightMode();
+		}
 	}
 }
\ No newline at end of file
diff --git a/src/Core/src/Handlers/Application/ApplicationHandler.cs b/src/Core/src/Handlers/Application/ApplicationHandler.cs
index 334d38d33748..16498c9d6621 100644
--- a/src/Core/src/Handlers/Application/ApplicationHandler.cs
+++ b/src/Core/src/Handlers/Application/ApplicationHandler.cs
@@ -24,6 +24,9 @@ public partial class ApplicationHandler
 
 		public static IPropertyMapper<IApplication, ApplicationHandler> Mapper = new PropertyMapper<IApplication, ApplicationHandler>(ElementMapper)
 		{
+#if ANDROID || IOS
+			[nameof(IApplication.UserAppTheme)] = MapAppTheme,
+#endif
 		};
 
 		public static CommandMapper<IApplication, ApplicationHandler> CommandMapper = new(ElementCommandMapper)
@@ -83,5 +86,9 @@ protected override PlatformView CreatePlatformElement() =>
 		/// <param name="application">The associated <see cref="IApplication"/> instance.</param>
 		/// <param name="args">The associated command arguments.</param>
 		public static partial void MapCloseWindow(ApplicationHandler handler, IApplication application, object? args);
+
+#if ANDROID || IOS
+		internal static partial void MapAppTheme(ApplicationHandler handler, IApplication application);
+#endif
 	}
 }
\ No newline at end of file
diff --git a/src/Core/src/Handlers/Application/ApplicationHandler.iOS.cs b/src/Core/src/Handlers/Application/ApplicationHandler.iOS.cs
index 9498df89b5ee..e0b9cb075ec5 100644
--- a/src/Core/src/Handlers/Application/ApplicationHandler.iOS.cs
+++ b/src/Core/src/Handlers/Application/ApplicationHandler.iOS.cs
@@ -44,6 +44,11 @@ public static partial void MapCloseWindow(ApplicationHandler handler, IApplicati
 			}
 		}
 
+		internal static partial void MapAppTheme(ApplicationHandler handler, IApplication application)
+		{
+			application?.UpdateUserInterfaceStyle();
+		}
+
 #if __MACCATALYST__
 		class NSApplication
 		{