diff --git a/native/chat/settings/delete-thread.react.js b/native/chat/settings/delete-thread.react.js
index c752d3ed4..59a3042c9 100644
--- a/native/chat/settings/delete-thread.react.js
+++ b/native/chat/settings/delete-thread.react.js
@@ -1,271 +1,303 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 import {
   Text,
   View,
   TextInput as BaseTextInput,
-  Alert,
   ActivityIndicator,
 } from 'react-native';
 import { ScrollView } from 'react-native-gesture-handler';
 
 import {
   deleteThreadActionTypes,
   deleteThread,
 } from 'lib/actions/thread-actions.js';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors.js';
-import { threadInfoSelector } from 'lib/selectors/thread-selectors.js';
-import { identifyInvalidatedThreads } from 'lib/shared/thread-utils.js';
+import {
+  threadInfoSelector,
+  containedThreadInfos,
+} from 'lib/selectors/thread-selectors.js';
+import {
+  identifyInvalidatedThreads,
+  getThreadsToDeleteText,
+} from 'lib/shared/thread-utils.js';
 import type { LoadingStatus } from 'lib/types/loading-types.js';
 import type {
   ThreadInfo,
   ResolvedThreadInfo,
   LeaveThreadPayload,
 } from 'lib/types/thread-types.js';
 import {
   useServerCall,
   useDispatchActionPromise,
   type DispatchActionPromise,
 } from 'lib/utils/action-utils.js';
 import { useResolvedThreadInfo } from 'lib/utils/entity-helpers.js';
 
 import Button from '../../components/button.react.js';
 import { clearThreadsActionType } from '../../navigation/action-types.js';
 import {
   NavContext,
   type NavAction,
 } from '../../navigation/navigation-context.js';
 import type { NavigationRoute } from '../../navigation/route-names.js';
 import { useSelector } from '../../redux/redux-utils.js';
 import { type Colors, useColors, useStyles } from '../../themes/colors.js';
 import type { GlobalTheme } from '../../types/themes.js';
+import Alert from '../../utils/alert.js';
 import type { ChatNavigationProp } from '../chat.react.js';
 
 export type DeleteThreadParams = {
   +threadInfo: ThreadInfo,
 };
 
 type BaseProps = {
   +navigation: ChatNavigationProp<'DeleteThread'>,
   +route: NavigationRoute<'DeleteThread'>,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +threadInfo: ResolvedThreadInfo,
+  +shouldUseDeleteConfirmationAlert: boolean,
   +loadingStatus: LoadingStatus,
   +activeTheme: ?GlobalTheme,
   +colors: Colors,
   +styles: typeof unboundStyles,
   // Redux dispatch functions
   +dispatchActionPromise: DispatchActionPromise,
   // async functions that hit server APIs
   +deleteThread: (threadID: string) => Promise<LeaveThreadPayload>,
   // withNavContext
   +navDispatch: (action: NavAction) => void,
 };
 class DeleteThread extends React.PureComponent<Props> {
   mounted = false;
   passwordInput: ?React.ElementRef<typeof BaseTextInput>;
 
   componentDidMount() {
     this.mounted = true;
   }
 
   componentWillUnmount() {
     this.mounted = false;
   }
 
   guardedSetState(change, callback) {
     if (this.mounted) {
       this.setState(change, callback);
     }
   }
 
   render() {
     const buttonContent =
       this.props.loadingStatus === 'loading' ? (
         <ActivityIndicator size="small" color="white" />
       ) : (
         <Text style={this.props.styles.deleteText}>Delete chat</Text>
       );
     const { threadInfo } = this.props;
     return (
       <ScrollView
         contentContainerStyle={this.props.styles.scrollViewContentContainer}
         style={this.props.styles.scrollView}
       >
         <View>
           <Text style={this.props.styles.warningText}>
             {`The chat "${threadInfo.uiName}" will be permanently deleted. `}
             There is no way to reverse this.
           </Text>
         </View>
         <Button
           onPress={this.submitDeletion}
           style={this.props.styles.deleteButton}
         >
           {buttonContent}
         </Button>
       </ScrollView>
     );
   }
 
   passwordInputRef = (
     passwordInput: ?React.ElementRef<typeof BaseTextInput>,
   ) => {
     this.passwordInput = passwordInput;
   };
 
   focusPasswordInput = () => {
     invariant(this.passwordInput, 'passwordInput should be set');
     this.passwordInput.focus();
   };
 
-  submitDeletion = () => {
+  dispatchDeleteThreadAction = () => {
     this.props.dispatchActionPromise(
       deleteThreadActionTypes,
       this.deleteThread(),
     );
   };
 
+  submitDeletion = () => {
+    if (!this.props.shouldUseDeleteConfirmationAlert) {
+      this.dispatchDeleteThreadAction();
+      return;
+    }
+    Alert.alert(
+      'Warning',
+      `${getThreadsToDeleteText(
+        this.props.threadInfo,
+      )} will also be permanently deleted.`,
+      [
+        { text: 'Cancel', style: 'cancel' },
+        { text: 'Continue', onPress: this.dispatchDeleteThreadAction },
+      ],
+      { cancelable: false },
+    );
+  };
+
   async deleteThread() {
     const { threadInfo, navDispatch } = this.props;
     navDispatch({
       type: clearThreadsActionType,
       payload: { threadIDs: [threadInfo.id] },
     });
     try {
       const result = await this.props.deleteThread(threadInfo.id);
       const invalidated = identifyInvalidatedThreads(
         result.updatesResult.newUpdates,
       );
       navDispatch({
         type: clearThreadsActionType,
         payload: { threadIDs: [...invalidated] },
       });
       return result;
     } catch (e) {
       if (e.message === 'invalid_credentials') {
         Alert.alert(
           'Permission not granted',
           'You do not have permission to delete this thread',
           [{ text: 'OK' }],
           { cancelable: false },
         );
       } else {
         Alert.alert('Unknown error', 'Uhh... try again?', [{ text: 'OK' }], {
           cancelable: false,
         });
       }
       throw e;
     }
   }
 }
 
 const unboundStyles = {
   deleteButton: {
     backgroundColor: 'vibrantRedButton',
     borderRadius: 5,
     flex: 1,
     marginHorizontal: 24,
     marginVertical: 12,
     padding: 12,
   },
   deleteText: {
     color: 'white',
     fontSize: 18,
     textAlign: 'center',
   },
   header: {
     color: 'panelBackgroundLabel',
     fontSize: 12,
     fontWeight: '400',
     paddingBottom: 3,
     paddingHorizontal: 24,
   },
   input: {
     color: 'panelForegroundLabel',
     flex: 1,
     fontFamily: 'Arial',
     fontSize: 16,
     paddingVertical: 0,
     borderBottomColor: 'transparent',
   },
   scrollView: {
     backgroundColor: 'panelBackground',
   },
   scrollViewContentContainer: {
     paddingTop: 24,
   },
   section: {
     backgroundColor: 'panelForeground',
     borderBottomWidth: 1,
     borderColor: 'panelForegroundBorder',
     borderTopWidth: 1,
     flexDirection: 'row',
     justifyContent: 'space-between',
     marginBottom: 24,
     paddingHorizontal: 24,
     paddingVertical: 12,
   },
   warningText: {
     color: 'panelForegroundLabel',
     fontSize: 16,
     marginBottom: 24,
     marginHorizontal: 24,
     textAlign: 'center',
   },
 };
 
 const loadingStatusSelector = createLoadingStatusSelector(
   deleteThreadActionTypes,
 );
 
 const ConnectedDeleteThread: React.ComponentType<BaseProps> =
   React.memo<BaseProps>(function ConnectedDeleteThread(props: BaseProps) {
     const threadID = props.route.params.threadInfo.id;
     const reduxThreadInfo = useSelector(
       state => threadInfoSelector(state)[threadID],
     );
+    const reduxContainedThreadInfos = useSelector(
+      state => containedThreadInfos(state)[threadID],
+    );
 
     const { setParams } = props.navigation;
     React.useEffect(() => {
       if (reduxThreadInfo) {
         setParams({ threadInfo: reduxThreadInfo });
       }
     }, [reduxThreadInfo, setParams]);
     const threadInfo = reduxThreadInfo ?? props.route.params.threadInfo;
     const resolvedThreadInfo = useResolvedThreadInfo(threadInfo);
 
     const loadingStatus = useSelector(loadingStatusSelector);
     const activeTheme = useSelector(state => state.globalThemeInfo.activeTheme);
 
     const colors = useColors();
     const styles = useStyles(unboundStyles);
 
     const dispatchActionPromise = useDispatchActionPromise();
     const callDeleteThread = useServerCall(deleteThread);
 
     const navContext = React.useContext(NavContext);
     invariant(navContext, 'NavContext should be set in DeleteThread');
     const navDispatch = navContext.dispatch;
 
+    const shouldUseDeleteConfirmationAlert =
+      reduxContainedThreadInfos && reduxContainedThreadInfos.length > 0;
+
     return (
       <DeleteThread
         {...props}
         threadInfo={resolvedThreadInfo}
+        shouldUseDeleteConfirmationAlert={shouldUseDeleteConfirmationAlert}
         loadingStatus={loadingStatus}
         activeTheme={activeTheme}
         colors={colors}
         styles={styles}
         dispatchActionPromise={dispatchActionPromise}
         deleteThread={callDeleteThread}
         navDispatch={navDispatch}
       />
     );
   });
 
 export default ConnectedDeleteThread;