diff --git a/src/UI/UIWindow.js b/src/UI/UIWindow.js
index 812959f1..d4c4e936 100644
--- a/src/UI/UIWindow.js
+++ b/src/UI/UIWindow.js
@@ -2853,27 +2853,7 @@ $.fn.close = async function(options) {
             $(`.window[data-parent_uuid="${window_uuid}"]`).close();
 
             // notify other apps that we're closing
-            if (app_uses_sdk) {
-                // notify parent app, if we have one, that we're closing
-                const parent_id = this.dataset['parent_instance_id'];
-                const parent = $(`.window[data-element_uuid="${parent_id}"] .window-app-iframe`).get(0);
-                if (parent) {
-                    parent.contentWindow.postMessage({
-                        msg: 'appClosed',
-                        appInstanceID: window_uuid,
-                    }, '*');
-                }
-
-                // notify child apps, if we have them, that we're closing
-                const children = $(`.window[data-parent_instance_id="${window_uuid}"] .window-app-iframe`);
-                children.each((_, child) => {
-                    child.contentWindow.postMessage({
-                        msg: 'appClosed',
-                        appInstanceID: window_uuid,
-                    }, '*');
-                });
-                // TODO: Once other AppConnections exist, those will need notifying too.
-            }
+            window.report_app_closed(window_uuid);
 
             // remove backdrop
             $(this).closest('.window-backdrop').remove();
diff --git a/src/helpers.js b/src/helpers.js
index 1273bb2b..07db8e5a 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -1899,6 +1899,15 @@ window.launch_app = async (options)=>{
         $(el).on('remove', () => {
             const svc_process = globalThis.services.get('process');
             svc_process.unregister(process.uuid);
+
+            // If it's a non-sdk app, report that it launched and closed.
+            // FIXME: This is awkward. Really, we want some way of knowing when it's launched and reporting that immediately instead.
+            const $app_iframe = $(el).find('.window-app-iframe');
+            if ($app_iframe.attr('data-appUsesSdk') !== 'true') {
+                window.report_app_launched(process.uuid, { uses_sdk: false });
+                // We also have to report an extra close event because the real one was sent already
+                window.report_app_closed(process.uuid);
+            }
         });
 
         process.references.el_win = el;
@@ -3538,4 +3547,30 @@ window.report_app_launched = (instance_id, { uses_sdk = true }) => {
         }, '*');
         delete window.child_launch_callbacks[instance_id];
     }
-}
+};
+
+// Run any callbacks to say that the app has closed
+window.report_app_closed = (instance_id) => {
+    const el_window = window_for_app_instance(instance_id);
+
+    // notify parent app, if we have one, that we're closing
+    const parent_id = el_window.dataset['parent_instance_id'];
+    const parent = $(`.window[data-element_uuid="${parent_id}"] .window-app-iframe`).get(0);
+    if (parent) {
+        parent.contentWindow.postMessage({
+            msg: 'appClosed',
+            appInstanceID: instance_id,
+        }, '*');
+    }
+
+    // notify child apps, if we have them, that we're closing
+    const children = $(`.window[data-parent_instance_id="${instance_id}"] .window-app-iframe`);
+    children.each((_, child) => {
+        child.contentWindow.postMessage({
+            msg: 'appClosed',
+            appInstanceID: instance_id,
+        }, '*');
+    });
+
+    // TODO: Once other AppConnections exist, those will need notifying too.
+};