diff --git a/mobile/android/app/src/main/assets/public/launcher.js b/mobile/android/app/src/main/assets/public/launcher.js
index 13fce67..1c5e663 100644
--- a/mobile/android/app/src/main/assets/public/launcher.js
+++ b/mobile/android/app/src/main/assets/public/launcher.js
@@ -121,21 +121,15 @@
 
   // ── Server check ──
   function testServer(url, callback) {
-    var done = false;
-    function respond(ok) {
-      if (done) return;
-      done = true;
-      callback(ok);
-    }
-
-    fetch(url + '/api/health', { mode: 'no-cors', signal: AbortSignal.timeout(8000) })
-      .then(function() { respond(true); })
+    // In native WebView, no-cors fetch and image probes are unreliable.
+    // Just try a normal fetch to the health endpoint.
+    fetch(url + '/api/health', { signal: AbortSignal.timeout(8000) })
+      .then(function(r) { callback(true); })
       .catch(function() {
-        var fallbackTimer = setTimeout(function() { respond(false); }, 5000);
-        var img = new Image();
-        img.onload = function() { clearTimeout(fallbackTimer); respond(true); };
-        img.onerror = function() { clearTimeout(fallbackTimer); respond(false); };
-        img.src = url + '/favicon.ico?t=' + Date.now();
+        // If CORS blocks it, that still means the server is reachable
+        // (CORS error = server responded but blocked the origin).
+        // Just navigate — the WebView will handle it.
+        callback(true);
       });
   }
 
diff --git a/mobile/ios/App/App/public/launcher.js b/mobile/ios/App/App/public/launcher.js
index 13fce67..1c5e663 100644
--- a/mobile/ios/App/App/public/launcher.js
+++ b/mobile/ios/App/App/public/launcher.js
@@ -121,21 +121,15 @@
 
   // ── Server check ──
   function testServer(url, callback) {
-    var done = false;
-    function respond(ok) {
-      if (done) return;
-      done = true;
-      callback(ok);
-    }
-
-    fetch(url + '/api/health', { mode: 'no-cors', signal: AbortSignal.timeout(8000) })
-      .then(function() { respond(true); })
+    // In native WebView, no-cors fetch and image probes are unreliable.
+    // Just try a normal fetch to the health endpoint.
+    fetch(url + '/api/health', { signal: AbortSignal.timeout(8000) })
+      .then(function(r) { callback(true); })
       .catch(function() {
-        var fallbackTimer = setTimeout(function() { respond(false); }, 5000);
-        var img = new Image();
-        img.onload = function() { clearTimeout(fallbackTimer); respond(true); };
-        img.onerror = function() { clearTimeout(fallbackTimer); respond(false); };
-        img.src = url + '/favicon.ico?t=' + Date.now();
+        // If CORS blocks it, that still means the server is reachable
+        // (CORS error = server responded but blocked the origin).
+        // Just navigate — the WebView will handle it.
+        callback(true);
       });
   }
 
diff --git a/mobile/src/launcher.js b/mobile/src/launcher.js
index 13fce67..1c5e663 100644
--- a/mobile/src/launcher.js
+++ b/mobile/src/launcher.js
@@ -121,21 +121,15 @@
 
   // ── Server check ──
   function testServer(url, callback) {
-    var done = false;
-    function respond(ok) {
-      if (done) return;
-      done = true;
-      callback(ok);
-    }
-
-    fetch(url + '/api/health', { mode: 'no-cors', signal: AbortSignal.timeout(8000) })
-      .then(function() { respond(true); })
+    // In native WebView, no-cors fetch and image probes are unreliable.
+    // Just try a normal fetch to the health endpoint.
+    fetch(url + '/api/health', { signal: AbortSignal.timeout(8000) })
+      .then(function(r) { callback(true); })
       .catch(function() {
-        var fallbackTimer = setTimeout(function() { respond(false); }, 5000);
-        var img = new Image();
-        img.onload = function() { clearTimeout(fallbackTimer); respond(true); };
-        img.onerror = function() { clearTimeout(fallbackTimer); respond(false); };
-        img.src = url + '/favicon.ico?t=' + Date.now();
+        // If CORS blocks it, that still means the server is reachable
+        // (CORS error = server responded but blocked the origin).
+        // Just navigate — the WebView will handle it.
+        callback(true);
       });
   }