diff --git a/packages/flutter_tools/lib/src/ios/mac.dart b/packages/flutter_tools/lib/src/ios/mac.dart
index 8ba2f160d9cd4..526e497f0b62c 100644
--- a/packages/flutter_tools/lib/src/ios/mac.dart
+++ b/packages/flutter_tools/lib/src/ios/mac.dart
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 import 'dart:async';
+import 'dart:io';
 
 import 'package:meta/meta.dart';
 import 'package:process/process.dart';
@@ -589,6 +590,11 @@ Please file an issue at: https://github.com/shorebirdtech/shorebird/issues/new
   if (autoUpdate != null) {
     yamlContent.writeln('auto_update: $autoUpdate');
   }
+
+  final String? shorebirdPublicKeyEnvVar = Platform.environment['SHOREBIRD_PUBLIC_KEY'];
+  if (shorebirdPublicKeyEnvVar != null) {
+    yamlContent.writeln('patch_public_key: $shorebirdPublicKeyEnvVar');
+  }
   shorebirdYaml.writeAsStringSync(yamlContent.toString(), flush: true);
 }
 
diff --git a/packages/shorebird_tests/test/android_test.dart b/packages/shorebird_tests/test/android_test.dart
index 92d1499cd9d99..41d2a651d23e4 100644
--- a/packages/shorebird_tests/test/android_test.dart
+++ b/packages/shorebird_tests/test/android_test.dart
@@ -9,6 +9,7 @@ void main() {
 
       expect(projectDirectory.apkFile().existsSync(), isTrue);
       expect(projectDirectory.shorebirdFile.existsSync(), isTrue);
+      expect(projectDirectory.getGeneratedAndroidShorebirdYaml(), completes);
     });
 
     group('when passing the public key through the environment variable', () {
@@ -25,7 +26,7 @@ void main() {
           );
 
           final generatedYaml =
-              await projectDirectory.getGeneratedShorebirdYaml();
+              await projectDirectory.getGeneratedAndroidShorebirdYaml();
 
           expect(
             generatedYaml.keys,
@@ -50,7 +51,7 @@ void main() {
           await projectDirectory.runFlutterBuildApk(flavor: 'internal');
 
           final generatedYaml =
-              await projectDirectory.getGeneratedShorebirdYaml(
+              await projectDirectory.getGeneratedAndroidShorebirdYaml(
             flavor: 'internal',
           );
 
@@ -74,7 +75,7 @@ void main() {
             );
 
             final generatedYaml =
-                await projectDirectory.getGeneratedShorebirdYaml(
+                await projectDirectory.getGeneratedAndroidShorebirdYaml(
               flavor: 'internal',
             );
 
diff --git a/packages/shorebird_tests/test/ios_test.dart b/packages/shorebird_tests/test/ios_test.dart
new file mode 100644
index 0000000000000..519623c87ede2
--- /dev/null
+++ b/packages/shorebird_tests/test/ios_test.dart
@@ -0,0 +1,50 @@
+import 'package:test/test.dart';
+
+import 'shorebird_tests.dart';
+
+void main() {
+  group(
+    'shorebird ios projects',
+    () {
+      testWithShorebirdProject('can build', (projectDirectory) async {
+        await projectDirectory.runFlutterBuildIos();
+
+        expect(projectDirectory.iosArchiveFile().existsSync(), isTrue);
+        expect(projectDirectory.getGeneratedIoShorebirdYaml(), completes);
+      });
+
+      group('when passing the public key through the environment variable', () {
+        testWithShorebirdProject(
+          'adds the public key on top of the original file',
+          (projectDirectory) async {
+            final originalYaml = projectDirectory.shorebirdYaml;
+
+            const base64PublicKey = 'public_123';
+            await projectDirectory.runFlutterBuildIos(
+              environment: {
+                'SHOREBIRD_PUBLIC_KEY': base64PublicKey,
+              },
+            );
+
+            final generatedYaml =
+                await projectDirectory.getGeneratedIoShorebirdYaml();
+
+            expect(
+              generatedYaml.keys,
+              containsAll(originalYaml.keys),
+            );
+
+            print(generatedYaml);
+            expect(
+              generatedYaml['patch_public_key'],
+              equals(base64PublicKey),
+            );
+          },
+        );
+      });
+
+      // TODO(erickzanardo): Add tests for flavors.
+    },
+    testOn: 'mac-os',
+  );
+}
diff --git a/packages/shorebird_tests/test/shorebird_tests.dart b/packages/shorebird_tests/test/shorebird_tests.dart
index dbe1b4d4c2dcc..fbc26661fa7cb 100644
--- a/packages/shorebird_tests/test/shorebird_tests.dart
+++ b/packages/shorebird_tests/test/shorebird_tests.dart
@@ -63,24 +63,24 @@ Future<void> testWithShorebirdProject(String name,
         ),
       )..createSync();
 
-      File(
-        path.join(
-          projectDirectory.path,
-          'shorebird.yaml',
-        ),
-      ).writeAsStringSync('''
-app_id: 123
-''');
-
       try {
         await _createFlutterProject(projectDirectory);
 
         projectDirectory.pubspecFile.writeAsStringSync('''
 ${projectDirectory.pubspecFile.readAsStringSync()}
-
   assets:
     - shorebird.yaml
 ''');
+
+        File(
+          path.join(
+            projectDirectory.path,
+            'shorebird.yaml',
+          ),
+        ).writeAsStringSync('''
+app_id: "123"
+''');
+
         await testFn(projectDirectory);
       } finally {
         projectDirectory.deleteSync(recursive: true);
@@ -177,6 +177,22 @@ $flavors
     }
   }
 
+  Future<void> runFlutterBuildIos({
+    Map<String, String>? environment,
+  }) async {
+    final result = await _runFlutterCommand(
+      // The projects used to test are generated on spot, to make it simpler we don't
+      // configure any apple accounts on it, so we skip code signing here.
+      ['build', 'ipa', '--no-codesign'],
+      workingDirectory: this,
+      environment: environment,
+    );
+
+    if (result.exitCode != 0) {
+      throw Exception('Failed to run `flutter build ios`: ${result.stderr}');
+    }
+  }
+
   File apkFile({String? flavor}) => File(
         path.join(
           this.path,
@@ -188,7 +204,17 @@ $flavors
         ),
       );
 
-  Future<YamlMap> getGeneratedShorebirdYaml({String? flavor}) async {
+  Directory iosArchiveFile() => Directory(
+        path.join(
+          this.path,
+          'build',
+          'ios',
+          'archive',
+          'Runner.xcarchive',
+        ),
+      );
+
+  Future<YamlMap> getGeneratedAndroidShorebirdYaml({String? flavor}) async {
     final decodedBytes =
         ZipDecoder().decodeBytes(apkFile(flavor: flavor).readAsBytesSync());
 
@@ -206,4 +232,20 @@ $flavors
     ).readAsStringSync();
     return loadYaml(yamlString) as YamlMap;
   }
+
+  Future<YamlMap> getGeneratedIoShorebirdYaml() async {
+    final yamlString = File(
+      path.join(
+        iosArchiveFile().path,
+        'Products',
+        'Applications',
+        'Runner.app',
+        'Frameworks',
+        'App.framework',
+        'flutter_assets',
+        'shorebird.yaml',
+      ),
+    ).readAsStringSync();
+    return loadYaml(yamlString) as YamlMap;
+  }
 }