diff --git a/cmd/sanderling/main.go b/cmd/sanderling/main.go
index 8273656..ed7cc36 100644
--- a/cmd/sanderling/main.go
+++ b/cmd/sanderling/main.go
@@ -16,15 +16,16 @@ import (
 var Version = "dev"
 
 type testOptions struct {
-	spec      string
-	bundleID  string
-	platform  string
-	avd       string
-	iosDevice string
-	duration  time.Duration
-	seed      int64
-	output    string
-	clearData bool
+	spec       string
+	bundleID   string
+	platform   string
+	avd        string
+	iosDevice  string
+	iosAppPath string
+	duration   time.Duration
+	seed       int64
+	output     string
+	clearData  bool
 }
 
 const topUsage = `sanderling is a property-based UI fuzzer for mobile apps.
@@ -50,6 +51,7 @@ func parseTestArgs(args []string, stderr io.Writer) (testOptions, error) {
 	flagSet.StringVar(&options.platform, "platform", "android", "target platform: android, ios, web")
 	flagSet.StringVar(&options.avd, "avd", "", "Android AVD name to boot if no device is connected")
 	flagSet.StringVar(&options.iosDevice, "ios-device", "", "iOS simulator name or UDID to boot if none is running")
+	flagSet.StringVar(&options.iosAppPath, "ios-app-path", "", "path to the .app bundle for iOS simulator clear-state reinstall")
 	flagSet.DurationVar(&options.duration, "duration", 5*time.Minute, "total test duration")
 	flagSet.Int64Var(&options.seed, "seed", 0, "RNG seed (0 = random)")
 	flagSet.StringVar(&options.output, "output", "./runs", "output directory for traces")
diff --git a/cmd/sanderling/main_test.go b/cmd/sanderling/main_test.go
index 2cb99a5..fa9ebc0 100644
--- a/cmd/sanderling/main_test.go
+++ b/cmd/sanderling/main_test.go
@@ -181,6 +181,31 @@ func TestParseTestArgs_IosDeviceFlag(t *testing.T) {
 	}
 }
 
+func TestParseTestArgs_IosAppPathFlag(t *testing.T) {
+	options, err := parseTestArgs([]string{
+		"--spec", "s.ts",
+		"--bundle-id", "com.example.app",
+		"--platform", "ios",
+		"--ios-app-path", "/tmp/build/iosApp.app",
+	}, io.Discard)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if options.iosAppPath != "/tmp/build/iosApp.app" {
+		t.Errorf("expected iosAppPath=/tmp/build/iosApp.app, got %q", options.iosAppPath)
+	}
+}
+
+func TestParseTestArgs_IosAppPathOptional(t *testing.T) {
+	options, err := parseTestArgs([]string{"--spec", "s.ts", "--bundle-id", "com.example.app"}, io.Discard)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if options.iosAppPath != "" {
+		t.Errorf("iosAppPath default: got %q, want empty", options.iosAppPath)
+	}
+}
+
 func TestRun_TestSubcommand_PipelineErrors(t *testing.T) {
 	// Web skips host-dependent device boot and bundles first, so a missing spec
 	// deterministically surfaces a bundle-resolution error. This proves the
diff --git a/cmd/sanderling/test_run.go b/cmd/sanderling/test_run.go
index 96d32e1..f8407d1 100644
--- a/cmd/sanderling/test_run.go
+++ b/cmd/sanderling/test_run.go
@@ -9,14 +9,15 @@ import (
 
 func runTestPipeline(ctx context.Context, options testOptions, stdout io.Writer) error {
 	return testrun.Execute(ctx, testrun.Options{
-		Spec:      options.spec,
-		BundleID:  options.bundleID,
-		Platform:  options.platform,
-		AVD:       options.avd,
-		IosDevice: options.iosDevice,
-		Duration:  options.duration,
-		Seed:      options.seed,
-		Output:    options.output,
-		ClearData: options.clearData,
+		Spec:       options.spec,
+		BundleID:   options.bundleID,
+		Platform:   options.platform,
+		AVD:        options.avd,
+		IosDevice:  options.iosDevice,
+		IosAppPath: options.iosAppPath,
+		Duration:   options.duration,
+		Seed:       options.seed,
+		Output:     options.output,
+		ClearData:  options.clearData,
 	}, stdout)
 }