diff --git a/app/src/main/java/io/timelimit/android/ui/manage/child/category/Adapter.kt b/app/src/main/java/io/timelimit/android/ui/manage/child/category/Adapter.kt
index 40d4313..eacae4c 100644
--- a/app/src/main/java/io/timelimit/android/ui/manage/child/category/Adapter.kt
+++ b/app/src/main/java/io/timelimit/android/ui/manage/child/category/Adapter.kt
@@ -124,6 +124,7 @@ class Adapter: RecyclerView.Adapter<ViewHolder>() {
                 } else {
                     null
                 }
+                binding.usedForAppsWithoutCategory = item.usedForNotAssignedApps
 
                 binding.card.setOnClickListener { handlers?.onCategoryClicked(item.category) }
 
diff --git a/app/src/main/java/io/timelimit/android/ui/manage/child/category/Items.kt b/app/src/main/java/io/timelimit/android/ui/manage/child/category/Items.kt
index 3167e56..cc73604 100644
--- a/app/src/main/java/io/timelimit/android/ui/manage/child/category/Items.kt
+++ b/app/src/main/java/io/timelimit/android/ui/manage/child/category/Items.kt
@@ -25,5 +25,6 @@ data class CategoryItem(
         val category: Category,
         val isBlockedTimeNow: Boolean,
         val remainingTimeToday: Long?,
-        val usedTimeToday: Long
+        val usedTimeToday: Long,
+        val usedForNotAssignedApps: Boolean
 ): ManageChildCategoriesListItem()
diff --git a/app/src/main/java/io/timelimit/android/ui/manage/child/category/ManageChildCategoriesModel.kt b/app/src/main/java/io/timelimit/android/ui/manage/child/category/ManageChildCategoriesModel.kt
index fc36f0c..d4c18bc 100644
--- a/app/src/main/java/io/timelimit/android/ui/manage/child/category/ManageChildCategoriesModel.kt
+++ b/app/src/main/java/io/timelimit/android/ui/manage/child/category/ManageChildCategoriesModel.kt
@@ -46,6 +46,8 @@ class ManageChildCategoriesModel(application: Application): AndroidViewModel(app
 
     private val childEntry = childId.switchMap { logic.database.user().getChildUserByIdLive(it) }
 
+    private val categoryForUnassignedAppsLive = childEntry.map { it?.categoryForNotAssignedApps }.ignoreUnchanged()
+
     private val childTimezone = childEntry.mapToTimezone()
 
     private val childMinuteOfWeek = childTimezone.switchMap { timeZone ->
@@ -74,40 +76,43 @@ class ManageChildCategoriesModel(application: Application): AndroidViewModel(app
         )
     }
 
-    private val categoryItems = categories.switchMap { categories ->
-        timeLimitRules.switchMap { timeLimitRules ->
-            childDate.switchMap { childDate ->
-                usedTimeItemsForWeek.switchMap { usedTimeItemsForWeek ->
-                    childMinuteOfWeek.map { childMinuteOfWeek ->
-                        val rulesByCategoryId = timeLimitRules.groupBy { rule -> rule.categoryId }
-                        val usedTimesByCategory = usedTimeItemsForWeek.groupBy { item -> item.categoryId }
-                        val firstDayOfWeek = childDate.dayOfEpoch - childDate.dayOfWeek
+    private val categoryItems = categoryForUnassignedAppsLive.switchMap { categoryForUnassignedApps ->
+        categories.switchMap { categories ->
+            timeLimitRules.switchMap { timeLimitRules ->
+                childDate.switchMap { childDate ->
+                    usedTimeItemsForWeek.switchMap { usedTimeItemsForWeek ->
+                        childMinuteOfWeek.map { childMinuteOfWeek ->
+                            val rulesByCategoryId = timeLimitRules.groupBy { rule -> rule.categoryId }
+                            val usedTimesByCategory = usedTimeItemsForWeek.groupBy { item -> item.categoryId }
+                            val firstDayOfWeek = childDate.dayOfEpoch - childDate.dayOfWeek
 
-                        categories.map {
-                            category ->
+                            categories.map { category ->
 
-                            val rules = rulesByCategoryId[category.id] ?: emptyList()
-                            val usedTimeItemsForCategory = usedTimesByCategory[category.id] ?: emptyList()
+                                val rules = rulesByCategoryId[category.id] ?: emptyList()
+                                val usedTimeItemsForCategory = usedTimesByCategory[category.id]
+                                        ?: emptyList()
 
-                            CategoryItem(
-                                    category = category,
-                                    isBlockedTimeNow = category.blockedMinutesInWeek.read(childMinuteOfWeek),
-                                    remainingTimeToday = RemainingTime.getRemainingTime(
-                                            dayOfWeek = childDate.dayOfWeek,
-                                            usedTimes = SparseLongArray().apply {
-                                                usedTimeItemsForCategory.forEach {
-                                                    usedTimeItem ->
+                                CategoryItem(
+                                        category = category,
+                                        isBlockedTimeNow = category.blockedMinutesInWeek.read(childMinuteOfWeek),
+                                        remainingTimeToday = RemainingTime.getRemainingTime(
+                                                dayOfWeek = childDate.dayOfWeek,
+                                                usedTimes = SparseLongArray().apply {
+                                                    usedTimeItemsForCategory.forEach { usedTimeItem ->
 
-                                                    val dayOfWeek = usedTimeItem.dayOfEpoch - firstDayOfWeek
+                                                        val dayOfWeek = usedTimeItem.dayOfEpoch - firstDayOfWeek
 
-                                                    put(dayOfWeek, usedTimeItem.usedMillis)
-                                                }
-                                            },
-                                            rules = rules,
-                                            extraTime = category.extraTimeInMillis
-                                    )?.includingExtraTime,
-                                    usedTimeToday = usedTimeItemsForCategory.find { item -> item.dayOfEpoch == childDate.dayOfEpoch }?.usedMillis ?: 0
-                            )
+                                                        put(dayOfWeek, usedTimeItem.usedMillis)
+                                                    }
+                                                },
+                                                rules = rules,
+                                                extraTime = category.extraTimeInMillis
+                                        )?.includingExtraTime,
+                                        usedTimeToday = usedTimeItemsForCategory.find { item -> item.dayOfEpoch == childDate.dayOfEpoch }?.usedMillis
+                                                ?: 0,
+                                        usedForNotAssignedApps = categoryForUnassignedApps == category.id
+                                )
+                            }
                         }
                     }
                 }
@@ -136,4 +141,4 @@ class ManageChildCategoriesModel(application: Application): AndroidViewModel(app
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/category_rich_card.xml b/app/src/main/res/layout/category_rich_card.xml
index f2359ae..029fa95 100644
--- a/app/src/main/res/layout/category_rich_card.xml
+++ b/app/src/main/res/layout/category_rich_card.xml
@@ -35,6 +35,10 @@
             name="remainingTimeToday"
             type="String" />
 
+        <variable
+            name="usedForAppsWithoutCategory"
+            type="boolean" />
+
         <import type="android.text.TextUtils" />
         <import type="android.view.View" />
     </data>
@@ -60,6 +64,13 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content" />
 
+            <TextView
+                android:textAppearance="?android:textAppearanceMedium"
+                android:visibility="@{usedForAppsWithoutCategory ? View.VISIBLE : View.GONE}"
+                android:text="@string/manage_child_category_for_unassigned_apps"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
             <TextView
                 android:visibility="@{TextUtils.isEmpty(usedTimeToday) ? View.GONE : View.VISIBLE}"
                 android:text="@{usedTimeToday}"
diff --git a/app/src/main/res/values-de/strings-manage-child.xml b/app/src/main/res/values-de/strings-manage-child.xml
index 208686d..37a5914 100644
--- a/app/src/main/res/values-de/strings-manage-child.xml
+++ b/app/src/main/res/values-de/strings-manage-child.xml
@@ -37,4 +37,6 @@
         Es gab eine Manipulation.
         Gehen Sie zurück zur Übersicht und öffnen Sie den Geräte-Eintrag für Details.
     </string>
+
+    <string name="manage_child_category_for_unassigned_apps">wird für Apps ohne Kategorie verwendet</string>
 </resources>
diff --git a/app/src/main/res/values/strings-manage-child.xml b/app/src/main/res/values/strings-manage-child.xml
index 14b890b..bd2e5b1 100644
--- a/app/src/main/res/values/strings-manage-child.xml
+++ b/app/src/main/res/values/strings-manage-child.xml
@@ -38,4 +38,6 @@
         There was a manipulation.
         Go back to the overview and open the device entry for details.
     </string>
+
+    <string name="manage_child_category_for_unassigned_apps">used for Apps without category</string>
 </resources>