diff --git a/homeassistant/components/matter/strings.json b/homeassistant/components/matter/strings.json
index 8aaa64c23905..42d8d1cc0f05 100644
--- a/homeassistant/components/matter/strings.json
+++ b/homeassistant/components/matter/strings.json
@@ -1,14 +1,14 @@
 {
   "config": {
     "abort": {
-      "addon_get_discovery_info_failed": "Failed to get Matter Server add-on discovery info.",
-      "addon_info_failed": "Failed to get Matter Server add-on info.",
-      "addon_install_failed": "Failed to install the Matter Server add-on.",
-      "addon_start_failed": "Failed to start the Matter Server add-on.",
+      "addon_get_discovery_info_failed": "Failed to get Matter Server app discovery info.",
+      "addon_info_failed": "Failed to get Matter Server app info.",
+      "addon_install_failed": "Failed to install the Matter Server app.",
+      "addon_start_failed": "Failed to start the Matter Server app.",
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
       "already_in_progress": "[%key:common::config_flow::abort::already_in_progress%]",
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
-      "not_matter_addon": "Discovered add-on is not the official Matter Server add-on.",
+      "not_matter_addon": "Discovered app is not the official Matter Server app.",
       "reconfiguration_successful": "Successfully reconfigured the Matter integration."
     },
     "error": {
@@ -18,15 +18,15 @@
     },
     "flow_title": "{name}",
     "progress": {
-      "install_addon": "Please wait while the Matter Server add-on installation finishes. This can take several minutes.",
-      "start_addon": "Please wait while the Matter Server add-on starts. This add-on is what powers Matter in Home Assistant. This may take some seconds."
+      "install_addon": "Please wait while the Matter Server app installation finishes. This can take several minutes.",
+      "start_addon": "Please wait while the Matter Server app starts. This app is what powers Matter in Home Assistant. This may take some seconds."
     },
     "step": {
       "hassio_confirm": {
-        "title": "Set up the Matter integration with the Matter Server add-on"
+        "title": "Set up the Matter integration with the Matter Server app"
       },
       "install_addon": {
-        "title": "The add-on installation has started"
+        "title": "The app installation has started"
       },
       "manual": {
         "data": {
@@ -35,13 +35,13 @@
       },
       "on_supervisor": {
         "data": {
-          "use_addon": "Use the official Matter Server Supervisor add-on"
+          "use_addon": "Use the official Matter Server Supervisor app"
         },
-        "description": "Do you want to use the official Matter Server Supervisor add-on?\n\nIf you are already running the Matter Server in another add-on, in a custom container, natively etc., then do not select this option.",
+        "description": "Do you want to use the official Matter Server Supervisor app?\n\nIf you are already running the Matter Server in another app, in a custom container, natively etc., then do not select this option.",
         "title": "Select connection method"
       },
       "start_addon": {
-        "title": "Starting add-on."
+        "title": "Starting app."
       }
     }
   },