diff --git a/static/app.js b/static/app.js
index ed8b6e49a..684c5e9f4 100644
--- a/static/app.js
+++ b/static/app.js
@@ -3135,7 +3135,9 @@ function initializeEventListeners() {
       setTimeout(() => uiModule.autoResize(textarea), 1);
     });
     textarea.addEventListener('keydown', (e) => {
-      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing) {
+      const isMobile = window.innerWidth <= 768
+
+      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing && !isMobile) {
         // If ghost autocomplete is active, accept the suggestion instead of submitting
         if (window._ghostAutocomplete && window._ghostAutocomplete.isActive()) {
           e.preventDefault();
@@ -3708,7 +3710,9 @@ function startOdysseusApp() {
   // Enter to send (shift+enter for newline), or new chat when empty
   if (messageInput) {
     messageInput.addEventListener('keydown', (e) => {
-      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing) {
+      const isMobile = window.innerWidth <= 768
+
+      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing && !isMobile) {
         e.preventDefault();
         // Flush the debounced icon update so dataset.mode reflects the current
         // text state. Without this, a fast type-and-Enter would still see the
diff --git a/static/js/chat.js b/static/js/chat.js
index c510ebf92..c6d2652ab 100644
--- a/static/js/chat.js
+++ b/static/js/chat.js
@@ -3868,7 +3868,9 @@ import { wireArrowUpRecall, getLastUserMessageFromChatHistory } from './composer
 
     // Also submit on Enter (without shift)
     editor.addEventListener('keydown', (e) => {
-      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing) {
+      const isMobile = window.innerWidth <= 768
+
+      if (e.key === 'Enter' && !e.shiftKey && !e.isComposing && !isMobile) {
         e.preventDefault();
         saveBtn.click();
       }