diff --git a/rio/cli/run_project/arbiter.py b/rio/cli/run_project/arbiter.py
index d6e49984..58d4fd8c 100644
--- a/rio/cli/run_project/arbiter.py
+++ b/rio/cli/run_project/arbiter.py
@@ -374,7 +374,8 @@ class Arbiter:
             )
 
             rio.cli._logger.debug("Starting the webview worker")
-            self._webview_worker.run()
+            assert self._uvicorn_worker is not None
+            self._webview_worker.run(self._uvicorn_worker.app_server.app)
 
         # If not running in a webview, just wait
         else:
@@ -760,6 +761,9 @@ window.setConnectionLostPopupVisible(true);
             # Replace the app which is currently hosted by uvicorn
             self._uvicorn_worker.replace_app(new_app_server)
 
+            if self._webview_worker is not None:
+                self._webview_worker.update_window_for_app(new_app_server.app)
+
             # The app has changed, but the uvicorn server is still the same.
             # Because of this, uvicorn won't call the `on_app_start` function -
             # do it manually.
diff --git a/rio/cli/run_project/webview_worker.py b/rio/cli/run_project/webview_worker.py
index e9cd0eac..9d83503d 100644
--- a/rio/cli/run_project/webview_worker.py
+++ b/rio/cli/run_project/webview_worker.py
@@ -2,6 +2,8 @@ import threading
 import time
 import typing as t
 
+import rio
+
 from . import run_models
 
 
@@ -22,7 +24,7 @@ class WebViewWorker:
         # If running, this is the webview window
         self.window: webview_shim.Window | None = None
 
-    def run(self) -> None:
+    def run(self, initial_app: rio.App) -> None:
         """
         Starts the worker and blocks until the window is closed or
         `request_stop` is called. This function must be called from the main
@@ -39,8 +41,7 @@ class WebViewWorker:
 
         # Create the window
         self.window = webview_shim.create_window(
-            # TODO: Get the app's name, if possible
-            "Rio (debug)" if self.debug_mode else "Rio",
+            title=self._title_for_app(initial_app),
             url=self.url,
         )
         webview_shim.start()
@@ -70,3 +71,12 @@ class WebViewWorker:
             # Success. Make sure to forget the window.
             else:
                 self.window = None
+
+    def _title_for_app(self, app: rio.App) -> str:
+        return app.name + (" (debug)" if self.debug_mode else "")
+
+    def update_window_for_app(self, app: rio.App) -> None:
+        if self.window is None:
+            return
+
+        self.window.set_title(self._title_for_app(app))
diff --git a/rio/session.py b/rio/session.py
index b0528fc2..8c950c33 100644
--- a/rio/session.py
+++ b/rio/session.py
@@ -516,19 +516,17 @@ class Session(unicall.Unicall):
     #     self._is_maximized = is_maximized
     #     self.create_task(self._set_maximized(is_maximized))
 
-    async def _set_maximized(self, is_maximized: bool) -> None:
+    async def _set_maximized(self, maximized: bool) -> None:
         if self.running_in_window:
             window = await self._get_webview_window()
 
-            if is_maximized:
-                # Pyright has trouble with the `maximize` method, though it most
-                # definitely exists.
-                window.maximize()  # type: ignore
+            if maximized:
+                window.maximize()
             else:
                 raise NotImplementedError  # FIXME
         else:
-            if is_maximized:
-                await self._evaluate_javascript_and_get_result(
+            if maximized:
+                await self._evaluate_javascript(
                     """
 window.moveTo(0, 0);
 window.resizeTo(screen.availWidth, screen.availHeight);