diff --git a/native/chat/composed-message.react.js b/native/chat/composed-message.react.js
--- a/native/chat/composed-message.react.js
+++ b/native/chat/composed-message.react.js
@@ -138,7 +138,7 @@
     );
 
     let inlineSidebar = null;
-    if (item.threadCreatedFromMessage) {
+    if (item.threadCreatedFromMessage || item.reactions.size > 0) {
       const positioning = isViewer ? 'right' : 'left';
       const inlineSidebarPositionStyle =
         positioning === 'left'
@@ -146,7 +146,10 @@
           : styles.rightInlineSidebar;
       inlineSidebar = (
         <View style={[styles.inlineSidebar, inlineSidebarPositionStyle]}>
-          <InlineSidebar threadInfo={item.threadCreatedFromMessage} />
+          <InlineSidebar
+            threadInfo={item.threadCreatedFromMessage}
+            reactions={item.reactions}
+          />
         </View>
       );
     }
diff --git a/native/chat/inline-sidebar.react.js b/native/chat/inline-sidebar.react.js
--- a/native/chat/inline-sidebar.react.js
+++ b/native/chat/inline-sidebar.react.js
@@ -8,6 +8,8 @@
 } from 'react-native-reanimated';
 
 import useInlineSidebarText from 'lib/hooks/inline-sidebar-text.react';
+import type { MessageReactionInfo } from 'lib/selectors/chat-selectors';
+import { stringForReactionList } from 'lib/shared/reaction-utils';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
 import CommIcon from '../components/comm-icon.react';
@@ -24,7 +26,7 @@
 
 type Props = {
   +threadInfo: ?ThreadInfo,
-  +reactions?: $ReadOnlyArray<string>,
+  +reactions?: $ReadOnlyMap<string, MessageReactionInfo>,
   +disabled?: boolean,
 };
 function InlineSidebar(props: Props): React.Node {
@@ -41,16 +43,13 @@
   const styles = useStyles(unboundStyles);
 
   const reactionList = React.useMemo(() => {
-    if (!reactions || reactions.length === 0) {
+    if (!reactions || reactions.size === 0) {
       return null;
     }
-    const reactionItems = reactions.map(reaction => {
-      return (
-        <Text key={reaction} style={styles.reaction}>
-          {reaction}
-        </Text>
-      );
-    });
+
+    const reactionText = stringForReactionList(reactions);
+    const reactionItems = <Text style={styles.reaction}>{reactionText}</Text>;
+
     return <View style={styles.reactionsContainer}>{reactionItems}</View>;
   }, [reactions, styles.reaction, styles.reactionsContainer]);
 
diff --git a/native/chat/robotext-message.react.js b/native/chat/robotext-message.react.js
--- a/native/chat/robotext-message.react.js
+++ b/native/chat/robotext-message.react.js
@@ -54,10 +54,13 @@
 
   const styles = useStyles(unboundStyles);
   let inlineSidebar = null;
-  if (item.threadCreatedFromMessage) {
+  if (item.threadCreatedFromMessage || item.reactions.size > 0) {
     inlineSidebar = (
       <View style={styles.sidebar}>
-        <InlineSidebar threadInfo={item.threadCreatedFromMessage} />
+        <InlineSidebar
+          threadInfo={item.threadCreatedFromMessage}
+          reactions={item.reactions}
+        />
       </View>
     );
   }