diff --git a/packages/shorebird_cli/lib/src/archive_analysis/archive_differ.dart b/packages/shorebird_cli/lib/src/archive_analysis/archive_differ.dart
index 021d7948..cabd9451 100644
--- a/packages/shorebird_cli/lib/src/archive_analysis/archive_differ.dart
+++ b/packages/shorebird_cli/lib/src/archive_analysis/archive_differ.dart
@@ -76,12 +76,12 @@ abstract class ArchiveDiffer {
   /// archives at the two provided paths.
   FileSetDiff changedFiles(String oldArchivePath, String newArchivePath) =>
       FileSetDiff.fromPathHashes(
-        oldPathHashes: _fileHashes(File(oldArchivePath)),
-        newPathHashes: _fileHashes(File(newArchivePath)),
+        oldPathHashes: fileHashes(File(oldArchivePath)),
+        newPathHashes: fileHashes(File(newArchivePath)),
       );
 
-  PathHashes _fileHashes(File aar) {
-    final zipDirectory = ZipDirectory.read(InputFileStream(aar.path));
+  PathHashes fileHashes(File archive) {
+    final zipDirectory = ZipDirectory.read(InputFileStream(archive.path));
     return {
       for (final file in zipDirectory.fileHeaders)
         // Zip files contain an (optional) crc32 checksum for a file. IPAs and
diff --git a/packages/shorebird_cli/lib/src/archive_analysis/ios_archive_differ.dart b/packages/shorebird_cli/lib/src/archive_analysis/ios_archive_differ.dart
index ca879848..cc929a00 100644
--- a/packages/shorebird_cli/lib/src/archive_analysis/ios_archive_differ.dart
+++ b/packages/shorebird_cli/lib/src/archive_analysis/ios_archive_differ.dart
@@ -1,3 +1,7 @@
+import 'dart:io';
+
+import 'package:archive/archive_io.dart';
+import 'package:crypto/crypto.dart';
 import 'package:path/path.dart' as p;
 import 'package:shorebird_cli/src/archive_analysis/archive_differ.dart';
 import 'package:shorebird_cli/src/archive_analysis/file_set_diff.dart';
@@ -13,27 +17,85 @@ import 'package:shorebird_cli/src/archive_analysis/file_set_diff.dart';
 ///
 /// Dart changes will appear in the App.framework/App executable.
 class IosArchiveDiffer extends ArchiveDiffer {
+  String _hash(List<int> bytes) => sha256.convert(bytes).toString();
+
   static const binaryFiles = {
     'App.framework/App',
     'Flutter.framework/Flutter',
   };
   static RegExp appRegex = RegExp(r'^Payload/[\w\-. ]+.app/[\w\-. ]+$');
 
+  /// Files that have been added, removed, or that have changed between the
+  /// archives at the two provided paths. This method will also unisgn mach-o
+  /// binaries in the archives before computing the diff.
+  @override
+  FileSetDiff changedFiles(String oldArchivePath, String newArchivePath) {
+    final oldPathHashes = fileHashes(File(oldArchivePath));
+    final newPathHashes = fileHashes(File(newArchivePath));
+
+    _updateToUnsignedHashes(
+      archivePath: oldArchivePath,
+      pathHashes: oldPathHashes,
+    );
+    _updateToUnsignedHashes(
+      archivePath: newArchivePath,
+      pathHashes: newPathHashes,
+    );
+
+    return FileSetDiff.fromPathHashes(
+      oldPathHashes: oldPathHashes,
+      newPathHashes: newPathHashes,
+    );
+  }
+
+  void _updateToUnsignedHashes({
+    required String archivePath,
+    required PathHashes pathHashes,
+  }) {
+    for (final file in _filesToUnsign(archivePath)) {
+      pathHashes[file.name] = _unsignedFileHash(file);
+    }
+  }
+
+  List<ArchiveFile> _filesToUnsign(String archivePath) {
+    return ZipDecoder()
+        .decodeBuffer(InputFileStream(archivePath))
+        .files
+        .where((file) => file.isFile)
+        .where(
+          (file) =>
+              file.name.endsWith('App.framework/App') ||
+              file.name.endsWith('Flutter.framework/Flutter') ||
+              appRegex.hasMatch(file.name),
+        )
+        .toList();
+  }
+
+  String _unsignedFileHash(ArchiveFile file) {
+    final tempDir = Directory.systemTemp.createTempSync();
+    final outPath = p.join(tempDir.path, file.name);
+    final outputStream = OutputFileStream(outPath);
+    file.writeContent(outputStream);
+    outputStream.close();
+
+    if (Platform.isMacOS) {
+      // coverage:ignore-start
+      Process.runSync('codesign', ['--remove-signature', outPath]);
+      // coverage:ignore-end
+    }
+
+    final outFile = File(outPath);
+    final hash = _hash(outFile.readAsBytesSync());
+    return hash;
+  }
+
   @override
   bool containsPotentiallyBreakingAssetDiffs(FileSetDiff fileSetDiff) =>
       assetsFileSetDiff(fileSetDiff).isNotEmpty;
 
   @override
-  bool containsPotentiallyBreakingNativeDiffs(FileSetDiff fileSetDiff) {
-    // Because the mach-o binaries are signed (we believe with in expiration
-    // date), they will always have different hashes, even if the code used to
-    // generate them is identical.
-    //
-    // TODO(bryanoltman): support mach-o binary diffing.
-    // We can do this using the `codesign --remove-signature` command, but this
-    // is slow and requires a temporary directory to store the unsigned binary.
-    return false;
-  }
+  bool containsPotentiallyBreakingNativeDiffs(FileSetDiff fileSetDiff) =>
+      nativeFileSetDiff(fileSetDiff).isNotEmpty;
 
   @override
   bool isAssetFilePath(String filePath) {
diff --git a/packages/shorebird_cli/test/src/archive_analysis/ios_archive_differ_test.dart b/packages/shorebird_cli/test/src/archive_analysis/ios_archive_differ_test.dart
index 5f3c5898..9ded77b4 100644
--- a/packages/shorebird_cli/test/src/archive_analysis/ios_archive_differ_test.dart
+++ b/packages/shorebird_cli/test/src/archive_analysis/ios_archive_differ_test.dart
@@ -1,5 +1,6 @@
 import 'package:path/path.dart' as p;
 import 'package:shorebird_cli/src/archive_analysis/archive_analysis.dart';
+import 'package:shorebird_cli/src/platform.dart';
 import 'package:test/test.dart';
 
 void main() {
@@ -21,148 +22,213 @@ void main() {
   final changedDartXcframeworkPath =
       p.join(xcframeworkFixturesBasePath, 'changed_dart.xcframework.zip');
 
-  group(IosArchiveDiffer, () {
-    late IosArchiveDiffer differ;
+  group(
+    IosArchiveDiffer,
+    () {
+      late IosArchiveDiffer differ;
 
-    setUp(() {
-      differ = IosArchiveDiffer();
-    });
+      setUp(() {
+        differ = IosArchiveDiffer();
+      });
 
-    group('ipa', () {
-      group('changedPaths', () {
-        test('finds no differences between the same ipa', () {
-          expect(differ.changedFiles(baseIpaPath, baseIpaPath), isEmpty);
+      group('ipa', () {
+        group('changedPaths', () {
+          test('finds no differences between the same ipa', () {
+            expect(
+              differ.changedFiles(baseIpaPath, baseIpaPath),
+              isEmpty,
+            );
+          });
+
+          test('finds differences between two different ipas', () {
+            final fileSetDiff = differ.changedFiles(
+              baseIpaPath,
+              changedAssetIpaPath,
+            );
+            if (platform.isMacOS) {
+              expect(
+                fileSetDiff.changedPaths,
+                {
+                  'Payload/Runner.app/_CodeSignature/CodeResources',
+                  'Payload/Runner.app/Frameworks/App.framework/_CodeSignature/CodeResources',
+                  'Payload/Runner.app/Frameworks/App.framework/flutter_assets/assets/asset.json',
+                  'Symbols/4C4C4411-5555-3144-A13A-E47369D8ACD5.symbols',
+                  'Symbols/BC970605-0A53-3457-8736-D7A870AB6E71.symbols',
+                  'Symbols/0CBBC9EF-0745-3074-81B7-765F5B4515FD.symbols'
+                },
+              );
+            } else {
+              expect(
+                fileSetDiff.changedPaths,
+                {
+                  'Payload/Runner.app/_CodeSignature/CodeResources',
+                  'Payload/Runner.app/Runner',
+                  'Payload/Runner.app/Frameworks/Flutter.framework/Flutter',
+                  'Payload/Runner.app/Frameworks/App.framework/_CodeSignature/CodeResources',
+                  'Payload/Runner.app/Frameworks/App.framework/App',
+                  'Payload/Runner.app/Frameworks/App.framework/flutter_assets/assets/asset.json',
+                  'Symbols/4C4C4411-5555-3144-A13A-E47369D8ACD5.symbols',
+                  'Symbols/BC970605-0A53-3457-8736-D7A870AB6E71.symbols',
+                  'Symbols/0CBBC9EF-0745-3074-81B7-765F5B4515FD.symbols'
+                },
+              );
+            }
+          });
         });
 
-        test('finds differences between two different ipas', () {
-          expect(
-            differ.changedFiles(baseIpaPath, changedAssetIpaPath).changedPaths,
-            {
-              'Payload/Runner.app/_CodeSignature/CodeResources',
-              'Payload/Runner.app/Runner',
-              'Payload/Runner.app/Frameworks/Flutter.framework/Flutter',
-              'Payload/Runner.app/Frameworks/App.framework/_CodeSignature/CodeResources',
-              'Payload/Runner.app/Frameworks/App.framework/App',
-              'Payload/Runner.app/Frameworks/App.framework/flutter_assets/assets/asset.json',
-              'Symbols/4C4C4411-5555-3144-A13A-E47369D8ACD5.symbols',
-              'Symbols/BC970605-0A53-3457-8736-D7A870AB6E71.symbols',
-              'Symbols/0CBBC9EF-0745-3074-81B7-765F5B4515FD.symbols',
-            },
-          );
+        group('changedFiles', () {
+          test('detects asset changes', () {
+            final fileSetDiff =
+                differ.changedFiles(baseIpaPath, changedAssetIpaPath);
+            expect(differ.assetsFileSetDiff(fileSetDiff), isNotEmpty);
+            expect(
+              differ.dartFileSetDiff(fileSetDiff),
+              platform.isMacOS ? isEmpty : isNotEmpty,
+            );
+            expect(
+              differ.nativeFileSetDiff(fileSetDiff),
+              platform.isMacOS ? isEmpty : isNotEmpty,
+            );
+          });
+
+          test('detects dart changes', () {
+            final fileSetDiff =
+                differ.changedFiles(baseIpaPath, changedDartIpaPath);
+            expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
+            expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
+            expect(
+              differ.nativeFileSetDiff(fileSetDiff),
+              platform.isMacOS ? isEmpty : isNotEmpty,
+            );
+          });
+
+          test('detects swift changes', () {
+            final fileSetDiff =
+                differ.changedFiles(baseIpaPath, changedSwiftIpaPath);
+            expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
+            expect(
+              differ.dartFileSetDiff(fileSetDiff),
+              platform.isMacOS ? isEmpty : isNotEmpty,
+            );
+            expect(differ.nativeFileSetDiff(fileSetDiff), isNotEmpty);
+          });
+        });
+
+        group('containsPotentiallyBreakingAssetDiffs', () {
+          test('returns true if a file in flutter_assets has changed', () {
+            final fileSetDiff = differ.changedFiles(
+              baseIpaPath,
+              changedAssetIpaPath,
+            );
+            expect(
+              differ.containsPotentiallyBreakingAssetDiffs(fileSetDiff),
+              isTrue,
+            );
+          });
+
+          test('returns false if no files in flutter_assets has changed', () {
+            final fileSetDiff = differ.changedFiles(
+              baseIpaPath,
+              changedDartIpaPath,
+            );
+            expect(
+              differ.containsPotentiallyBreakingAssetDiffs(fileSetDiff),
+              isFalse,
+            );
+          });
+        });
+
+        group('containsPotentiallyBreakingNativeDiffs', () {
+          test('returns true if Swift files have been changed', () {
+            final fileSetDiff = differ.changedFiles(
+              baseIpaPath,
+              changedSwiftIpaPath,
+            );
+            expect(
+              differ.containsPotentiallyBreakingNativeDiffs(fileSetDiff),
+              isTrue,
+            );
+          });
+
+          test('returns false if Swift files have not been changed', () {
+            final fileSetDiff = differ.changedFiles(
+              baseIpaPath,
+              changedAssetIpaPath,
+            );
+            expect(
+              differ.containsPotentiallyBreakingNativeDiffs(fileSetDiff),
+              platform.isMacOS ? isFalse : isTrue,
+            );
+          });
         });
       });
 
-      group('changedFiles', () {
-        test('detects asset changes', () {
-          final fileSetDiff =
-              differ.changedFiles(baseIpaPath, changedAssetIpaPath);
-          expect(differ.assetsFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.nativeFileSetDiff(fileSetDiff), isNotEmpty);
+      group('xcframework', () {
+        group('changedPaths', () {
+          test('finds no differences between the same zipped xcframeworks', () {
+            expect(
+              differ.changedFiles(baseXcframeworkPath, baseXcframeworkPath),
+              isEmpty,
+            );
+          });
+
+          test('finds differences between two differed zipped xcframeworks',
+              () {
+            final fileSetDiff = differ.changedFiles(
+              baseXcframeworkPath,
+              changedAssetXcframeworkPath,
+            );
+            if (platform.isMacOS) {
+              expect(
+                fileSetDiff.changedPaths,
+                {
+                  'ios-arm64_x86_64-simulator/App.framework/_CodeSignature/CodeResources',
+                  'ios-arm64_x86_64-simulator/App.framework/flutter_assets/assets/asset.json',
+                  'ios-arm64/App.framework/_CodeSignature/CodeResources',
+                  'ios-arm64/App.framework/flutter_assets/assets/asset.json'
+                },
+              );
+            } else {
+              expect(
+                fileSetDiff.changedPaths,
+                {
+                  'ios-arm64_x86_64-simulator/App.framework/_CodeSignature/CodeResources',
+                  'ios-arm64_x86_64-simulator/App.framework/App',
+                  'ios-arm64_x86_64-simulator/App.framework/flutter_assets/assets/asset.json',
+                  'ios-arm64/App.framework/_CodeSignature/CodeResources',
+                  'ios-arm64/App.framework/App',
+                  'ios-arm64/App.framework/flutter_assets/assets/asset.json',
+                },
+              );
+            }
+          });
         });
 
-        test('detects dart changes', () {
-          final fileSetDiff =
-              differ.changedFiles(baseIpaPath, changedDartIpaPath);
-          expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
-          expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.nativeFileSetDiff(fileSetDiff), isNotEmpty);
-        });
+        group('changedFiles', () {
+          test('detects asset changes', () {
+            final fileSetDiff = differ.changedFiles(
+              baseXcframeworkPath,
+              changedAssetXcframeworkPath,
+            );
+            expect(differ.assetsFileSetDiff(fileSetDiff), isNotEmpty);
+            expect(
+              differ.dartFileSetDiff(fileSetDiff),
+              platform.isMacOS ? isEmpty : isNotEmpty,
+            );
+            expect(differ.nativeFileSetDiff(fileSetDiff), isEmpty);
+          });
 
-        test('detects swift changes', () {
-          final fileSetDiff =
-              differ.changedFiles(baseIpaPath, changedSwiftIpaPath);
-          expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
-          expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.nativeFileSetDiff(fileSetDiff), isNotEmpty);
+          test('detects dart changes', () {
+            final fileSetDiff = differ.changedFiles(
+              baseXcframeworkPath,
+              changedDartXcframeworkPath,
+            );
+            expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
+            expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
+            expect(differ.nativeFileSetDiff(fileSetDiff), isEmpty);
+          });
         });
       });
-
-      group('containsPotentiallyBreakingAssetDiffs', () {
-        test('returns true if a file in flutter_assets has changed', () {
-          final fileSetDiff = differ.changedFiles(
-            baseIpaPath,
-            changedAssetIpaPath,
-          );
-          expect(
-            differ.containsPotentiallyBreakingAssetDiffs(fileSetDiff),
-            isTrue,
-          );
-        });
-
-        test('returns false if no files in flutter_assets has changed', () {
-          final fileSetDiff = differ.changedFiles(
-            baseIpaPath,
-            changedDartIpaPath,
-          );
-          expect(
-            differ.containsPotentiallyBreakingAssetDiffs(fileSetDiff),
-            isFalse,
-          );
-        });
-      });
-
-      group('containsPotentiallyBreakingNativeDiffs', () {
-        test("always returns false, as we don't check for this yet", () {
-          final fileSetDiff = differ.changedFiles(
-            baseIpaPath,
-            changedSwiftIpaPath,
-          );
-          expect(
-            differ.containsPotentiallyBreakingNativeDiffs(fileSetDiff),
-            isFalse,
-          );
-        });
-      });
-    });
-
-    group('xcframework', () {
-      group('changedPaths', () {
-        test('finds no differences between the same zipped xcframeworks', () {
-          expect(
-            differ.changedFiles(baseXcframeworkPath, baseXcframeworkPath),
-            isEmpty,
-          );
-        });
-
-        test('finds differences between two differed zipped xcframeworks', () {
-          expect(
-            differ
-                .changedFiles(baseXcframeworkPath, changedAssetXcframeworkPath)
-                .changedPaths,
-            {
-              'ios-arm64_x86_64-simulator/App.framework/_CodeSignature/CodeResources',
-              'ios-arm64_x86_64-simulator/App.framework/App',
-              'ios-arm64_x86_64-simulator/App.framework/flutter_assets/assets/asset.json',
-              'ios-arm64/App.framework/_CodeSignature/CodeResources',
-              'ios-arm64/App.framework/App',
-              'ios-arm64/App.framework/flutter_assets/assets/asset.json'
-            },
-          );
-        });
-      });
-
-      group('changedFiles', () {
-        test('detects asset changes', () {
-          final fileSetDiff = differ.changedFiles(
-            baseXcframeworkPath,
-            changedAssetXcframeworkPath,
-          );
-          expect(differ.assetsFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.nativeFileSetDiff(fileSetDiff), isEmpty);
-        });
-
-        test('detects dart changes', () {
-          final fileSetDiff = differ.changedFiles(
-            baseXcframeworkPath,
-            changedDartXcframeworkPath,
-          );
-          expect(differ.assetsFileSetDiff(fileSetDiff), isEmpty);
-          expect(differ.dartFileSetDiff(fileSetDiff), isNotEmpty);
-          expect(differ.nativeFileSetDiff(fileSetDiff), isEmpty);
-        });
-      });
-    });
-  });
+    },
+  );
 }