diff --git a/agent/lib/src/adb.dart b/agent/lib/src/adb.dart
index a255628902..70c393638d 100644
--- a/agent/lib/src/adb.dart
+++ b/agent/lib/src/adb.dart
@@ -36,6 +36,28 @@ Future<Adb> realAdbGetter() async {
   return _currentDevice;
 }
 
+/// Gets the ID of an unlocked device, unlocking it if necessary.
+// TODO(yjbanov): abstract away iOS from Android.
+Future<String> getUnlockedDeviceId({ bool ios: false }) async {
+  if (ios) {
+    // We currently do not have a way to lock/unlock iOS devices, or even to
+    // pick one out of many. So we pick the first random iPhone and assume it's
+    // already unlocked. For now we'll just keep them at minimum screen
+    // brightness so they don't drain battery too fast.
+    List<String> iosDeviceIds = grep('UniqueDeviceID', from: await eval('ideviceinfo', []))
+      .map((String line) => line.split(' ').last).toList();
+
+    if (iosDeviceIds.isEmpty)
+      throw 'No connected iOS devices found.';
+
+    return iosDeviceIds.first;
+  }
+
+  Adb device = await adb();
+  device.unlock();
+  return device.deviceId;
+}
+
 class Adb {
   Adb({String this.deviceId});
 
diff --git a/agent/lib/src/agent.dart b/agent/lib/src/agent.dart
index 61ea1de5c9..fe60df0108 100644
--- a/agent/lib/src/agent.dart
+++ b/agent/lib/src/agent.dart
@@ -82,11 +82,15 @@ class Agent {
 
     List<Task> allTasks = <Task>[
       createComplexLayoutScrollPerfTest(),
+      createComplexLayoutScrollPerfTest(ios: true),
       createFlutterGalleryStartupTest(),
+      createFlutterGalleryStartupTest(ios: true),
       createComplexLayoutStartupTest(),
+      createComplexLayoutStartupTest(ios: true),
       createFlutterGalleryBuildTest(),
       createComplexLayoutBuildTest(),
       createGalleryTransitionTest(),
+      createGalleryTransitionTest(ios: true),
       createBasicMaterialAppSizeTest(),
       createAnalyzerCliTest(sdk: dartSdkVersion, commit: task.revision, timestamp: revisionTimestamp),
       createAnalyzerServerTest(sdk: dartSdkVersion, commit: task.revision, timestamp: revisionTimestamp),
diff --git a/agent/lib/src/commands/run.dart b/agent/lib/src/commands/run.dart
index 969fe01bbd..86bfceaafe 100644
--- a/agent/lib/src/commands/run.dart
+++ b/agent/lib/src/commands/run.dart
@@ -57,7 +57,7 @@ class RunCommand extends Command {
     try {
       await runAndCaptureAsyncStacks(() async {
         // Load-balance tests across attached devices
-        pickNextDevice();
+        await pickNextDevice();
 
         BuildResult result = await agent.performTask(task);
         if (task.key != null) {
diff --git a/agent/lib/src/gallery.dart b/agent/lib/src/gallery.dart
index 4895a07155..e4e4648de8 100644
--- a/agent/lib/src/gallery.dart
+++ b/agent/lib/src/gallery.dart
@@ -10,25 +10,32 @@ import 'adb.dart';
 import 'framework.dart';
 import 'utils.dart';
 
-Task createGalleryTransitionTest() => new GalleryTransitionTest();
+Task createGalleryTransitionTest({ bool ios: false }) => new GalleryTransitionTest(ios: ios);
 
 class GalleryTransitionTest extends Task {
-  GalleryTransitionTest() : super('flutter_gallery__transition_perf');
+  GalleryTransitionTest({ this.ios }) : super('flutter_gallery__transition_perf');
+
+  final bool ios;
 
   @override
   Future<TaskResultData> run() async {
-    Adb device = await adb();
-    device.unlock();
+    String deviceId = await getUnlockedDeviceId(ios: ios);
     Directory galleryDirectory = dir('${config.flutterDirectory.path}/examples/flutter_gallery');
     await inDirectory(galleryDirectory, () async {
       await pub('get');
+
+      if (ios) {
+        // This causes an Xcode project to be created.
+        await flutter('build', options: ['ios', '--profile']);
+      }
+
       await flutter('drive', options: [
         '--profile',
         '--trace-startup',
         '-t',
         'test_driver/transitions_perf.dart',
         '-d',
-        device.deviceId,
+        deviceId,
       ]);
     });
 
diff --git a/agent/lib/src/perf_tests.dart b/agent/lib/src/perf_tests.dart
index 4c60f44ae4..8670e1f3e7 100644
--- a/agent/lib/src/perf_tests.dart
+++ b/agent/lib/src/perf_tests.dart
@@ -9,21 +9,30 @@ import 'adb.dart';
 import 'framework.dart';
 import 'utils.dart';
 
-Task createComplexLayoutScrollPerfTest() {
+Task createComplexLayoutScrollPerfTest({ bool ios: false }) {
   return new PerfTest(
-    'complex_layout_scroll_perf__timeline_summary',
+    'complex_layout_scroll_perf${ios ? "_ios" : ""}__timeline_summary',
     '${config.flutterDirectory.path}/dev/benchmarks/complex_layout',
     'test_driver/scroll_perf.dart',
-    'complex_layout_scroll_perf'
+    'complex_layout_scroll_perf',
+    ios: ios
   );
 }
 
-Task createFlutterGalleryStartupTest() {
-  return new StartupTest('flutter_gallery__start_up', '${config.flutterDirectory.path}/examples/flutter_gallery');
+Task createFlutterGalleryStartupTest({ bool ios: false }) {
+  return new StartupTest(
+    'flutter_gallery${ios ? "_ios" : ""}__start_up',
+    '${config.flutterDirectory.path}/examples/flutter_gallery',
+    ios: ios
+  );
 }
 
-Task createComplexLayoutStartupTest() {
-  return new StartupTest('complex_layout__start_up', '${config.flutterDirectory.path}/dev/benchmarks/complex_layout');
+Task createComplexLayoutStartupTest({ bool ios: false }) {
+  return new StartupTest(
+    'complex_layout${ios ? "_ios" : ""}__start_up',
+    '${config.flutterDirectory.path}/dev/benchmarks/complex_layout',
+    ios: ios
+  );
 }
 
 Task createFlutterGalleryBuildTest() {
@@ -37,20 +46,26 @@ Task createComplexLayoutBuildTest() {
 /// Measure application startup performance.
 class StartupTest extends Task {
 
-  StartupTest(String name, this.testDirectory) : super(name);
+  StartupTest(String name, this.testDirectory, { this.ios }) : super(name);
 
   final String testDirectory;
+  final bool ios;
 
   Future<TaskResultData> run() async {
     return await inDirectory(testDirectory, () async {
-      Adb device = await adb();
-      device.unlock();
+      String deviceId = await getUnlockedDeviceId(ios: ios);
       await pub('get');
+
+      if (ios) {
+        // This causes an Xcode project to be created.
+        await flutter('build', options: ['ios', '--profile']);
+      }
+
       await flutter('run', options: [
         '--profile',
         '--trace-startup',
         '-d',
-        device.deviceId
+        deviceId
       ]);
       Map<String, dynamic> data = JSON.decode(file('$testDirectory/build/start_up_info.json').readAsStringSync());
       return new TaskResultData(data, benchmarkScoreKeys: <String>[
@@ -65,26 +80,33 @@ class StartupTest extends Task {
 /// performance.
 class PerfTest extends Task {
 
-  PerfTest(String name, this.testDirectory, this.testTarget, this.timelineFileName)
+  PerfTest(String name, this.testDirectory, this.testTarget, this.timelineFileName, { this.ios })
       : super(name);
 
   final String testDirectory;
   final String testTarget;
   final String timelineFileName;
+  final bool ios;
 
   @override
   Future<TaskResultData> run() {
     return inDirectory(testDirectory, () async {
-      Adb device = await adb();
-      device.unlock();
+      String deviceId = await getUnlockedDeviceId(ios: ios);
       await pub('get');
+
+      if (ios) {
+        // This causes an Xcode project to be created.
+        await flutter('build', options: ['ios', '--profile']);
+      }
+
       await flutter('drive', options: [
+        '-v',
         '--profile',
         '--trace-startup', // Enables "endless" timeline event buffering.
         '-t',
         testTarget,
         '-d',
-        device.deviceId
+        deviceId,
       ]);
       Map<String, dynamic> data = JSON.decode(file('$testDirectory/build/${timelineFileName}.timeline_summary.json').readAsStringSync());
       return new TaskResultData(data, benchmarkScoreKeys: <String>[
@@ -96,7 +118,6 @@ class PerfTest extends Task {
   }
 }
 
-
 class BuildTest extends Task {
 
   BuildTest(String name, this.testDirectory) : super(name);