diff --git a/test-apps/ios-test-app/scripts/build-and-deploy.sh b/test-apps/ios-test-app/scripts/build-and-deploy.sh
index 764370c..7bcb84f 100755
--- a/test-apps/ios-test-app/scripts/build-and-deploy.sh
+++ b/test-apps/ios-test-app/scripts/build-and-deploy.sh
@@ -92,10 +92,16 @@ if [ -z "$1" ]; then
         # Extract device ID (UUID in first set of parentheses, not status in second)
         # Format: "    iPhone 17 Pro (68D19D08-4701-422C-AF61-2E21ACA1DD4C) (Shutdown)"
         # We want the UUID, which is in the first parentheses
-        SIMULATOR_ID=$(echo "$SIMULATOR_LINE" | sed -n 's/.*(\([0-9A-F-]\{36\}\)).*/\1/p' | head -1)
-        if [ -z "$SIMULATOR_ID" ]; then
-            # Fallback: try to get first parentheses content (should be UUID)
-            SIMULATOR_ID=$(echo "$SIMULATOR_LINE" | sed -n 's/.*(\([^)]*\)).*/\1/p' | head -1)
+        # Try extended regex first (works on macOS sed)
+        SIMULATOR_ID=$(echo "$SIMULATOR_LINE" | sed -E 's/.*\(([0-9A-F-]{36})\).*/\1/' 2>/dev/null)
+        if [ -z "$SIMULATOR_ID" ] || [ "$SIMULATOR_ID" = "$SIMULATOR_LINE" ]; then
+            # Fallback: use basic regex to get first parentheses content
+            SIMULATOR_ID=$(echo "$SIMULATOR_LINE" | sed 's/.*(\([^)]*\)).*/\1/' | head -1)
+            # If that gives us "Shutdown" or similar status, try a different approach
+            if [ "$SIMULATOR_ID" = "Shutdown" ] || [ "$SIMULATOR_ID" = "Booted" ]; then
+                # Extract UUID by matching the pattern before the status
+                SIMULATOR_ID=$(echo "$SIMULATOR_LINE" | sed -E 's/.*\(([0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12})\).*/\1/' 2>/dev/null)
+            fi
         fi
         log_info "Auto-detected simulator: $SIMULATOR_DEVICE (ID: $SIMULATOR_ID)"
     fi