private async void BtnGetAdFree_Click(object sender, RoutedEventArgs e)
        {
            await StoreAccessHelper.Instance.SetupAdFreeSubscriptionInfoAsync();

            uiNotificationService.HasAdFree = await StoreAccessHelper.Instance.CheckIfUserHasAdFreeSubscriptionAsync();

            uiNotificationService.NotifyAdFreeChanged(uiNotificationService.HasAdFree);
        }