diff --git a/packages/flutter/lib/cupertino.dart b/packages/flutter/lib/cupertino.dart
index 593d8cb404a..0fc3e411e10 100644
--- a/packages/flutter/lib/cupertino.dart
+++ b/packages/flutter/lib/cupertino.dart
@@ -38,6 +38,7 @@ export 'src/cupertino/desktop_text_selection.dart';
 export 'src/cupertino/desktop_text_selection_toolbar.dart';
 export 'src/cupertino/desktop_text_selection_toolbar_button.dart';
 export 'src/cupertino/dialog.dart';
+export 'src/cupertino/expansion_tile.dart';
 export 'src/cupertino/form_row.dart';
 export 'src/cupertino/form_section.dart';
 export 'src/cupertino/icon_theme_data.dart';
diff --git a/packages/flutter/lib/src/cupertino/expansion_tile.dart b/packages/flutter/lib/src/cupertino/expansion_tile.dart
new file mode 100644
index 00000000000..a477275cff1
--- /dev/null
+++ b/packages/flutter/lib/src/cupertino/expansion_tile.dart
@@ -0,0 +1,233 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/// @docImport 'package:flutter/material.dart';
+///
+/// @docImport 'list_section.dart';
+library;
+
+import 'package:flutter/widgets.dart';
+
+import 'colors.dart';
+import 'icons.dart';
+import 'list_tile.dart';
+import 'theme.dart';
+
+/// The curve of the animation used to expand or collapse the
+/// [CupertinoExpansionTile].
+///
+/// Eyeballed from an iPhone 15 simulator running iOS 17.5.
+const Curve _kAnimationCurve = Curves.easeInOut;
+
+/// The duration of the animation used to expand or collapse the
+/// [CupertinoExpansionTile].
+///
+/// Eyeballed from an iPhone 15 simulator running iOS 17.5.
+const Duration _kAnimationDuration = Duration(milliseconds: 250);
+
+/// The font size of the rotating trailing icon in the header of a
+/// [CupertinoExpansionTile].
+///
+/// Eyeballed from an iPhone 15 simulator running iOS 17.5.
+const double _kIconFontSize = 15.0;
+
+/// The height of the header in a [CupertinoExpansionTile], which is the default
+/// [CupertinoListTile].
+const double _kHeaderHeight = 44.0;
+
+/// Defines how a [CupertinoExpansionTile] should transition its child between
+/// its collapsed state and its expanded state.
+enum ExpansionTileTransitionMode {
+  /// Transition by fading a fully extended [CupertinoExpansionTile.child].
+  ///
+  /// When the [CupertinoExpansionTile] expands, the child appears fully extended
+  /// and fades into view. When the [CupertinoExpansionTile] collapses, the child
+  /// remains fully extended and fades out of view.
+  fade,
+
+  /// Transition by scrolling [CupertinoExpansionTile.child] under the header.
+  ///
+  /// When the [CupertinoExpansionTile] expands, the child scrolls from under the
+  /// header until it becomes fully extended. When the [CupertinoExpansionTile]
+  /// collapses, the child scrolls under the header until it is fully collapsed.
+  scroll,
+}
+
+/// A single-line [CupertinoListTile] with an expansion arrow icon that expands
+/// or collapses the tile to reveal or hide the [child].
+///
+/// See also:
+///
+///  * [ExpansionTile], the Material Design equivalent.
+///  * [CupertinoListSection], useful for creating an expansion tile [child].
+///  * [CupertinoListTile], the header of a [CupertinoExpansionTile].
+///  * <https://developer.apple.com/design/human-interface-guidelines/disclosure-controls/>
+class CupertinoExpansionTile extends StatefulWidget {
+  /// Creates a single-line [CupertinoListTile] with an expansion arrow icon
+  /// that expands or collapses the tile to reveal or hide the [child].
+  const CupertinoExpansionTile({
+    super.key,
+    required this.title,
+    required this.child,
+    this.controller,
+    this.transitionMode = ExpansionTileTransitionMode.fade,
+  });
+
+  /// Used to convey the central information.
+  ///
+  /// Usually a [Text].
+  final Widget title;
+
+  /// Programmatically expands and collapses the [CupertinoExpansionTile].
+  ///
+  /// In cases where control over the tile's state is needed from a
+  /// callback triggered by a widget within the tile, [ExpansibleController.of]
+  /// may be more convenient than supplying a controller.
+  final ExpansibleController? controller;
+
+  /// The body of the [CupertinoExpansionTile].
+  final Widget child;
+
+  /// How the [CupertinoExpansionTile] should transition its child between its
+  /// collapsed state and its expanded state.
+  ///
+  /// Defaults to [ExpansionTileTransitionMode.fade].
+  final ExpansionTileTransitionMode transitionMode;
+
+  @override
+  State<CupertinoExpansionTile> createState() => _CupertinoExpansionTileState();
+}
+
+class _CupertinoExpansionTileState extends State<CupertinoExpansionTile> {
+  final GlobalKey _headerKey = GlobalKey();
+  final OverlayPortalController _fadeController = OverlayPortalController();
+  static final Animatable<double> _quarterTween = Tween<double>(begin: 0.0, end: 0.25);
+
+  late ExpansibleController _tileController;
+  late Animation<double> _iconTurns;
+
+  @override
+  void initState() {
+    super.initState();
+    _tileController = widget.controller ?? ExpansibleController();
+  }
+
+  @override
+  void didUpdateWidget(CupertinoExpansionTile oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.controller != widget.controller) {
+      if (oldWidget.controller == null) {
+        _tileController.dispose();
+      }
+      _tileController = widget.controller ?? ExpansibleController();
+    }
+  }
+
+  @override
+  void dispose() {
+    if (widget.controller == null) {
+      _tileController.dispose();
+    }
+    super.dispose();
+  }
+
+  Widget? _buildIcon(BuildContext context, Animation<double> animation) {
+    _iconTurns = animation.drive(_quarterTween.chain(CurveTween(curve: _kAnimationCurve)));
+    final double? size = CupertinoTheme.of(context).textTheme.textStyle.fontSize;
+    return RotationTransition(
+      turns: _iconTurns,
+      child: SizedBox(
+        width: size,
+        height: size,
+        child: const Center(
+          child: Icon(
+            CupertinoIcons.right_chevron,
+            color: CupertinoColors.activeBlue,
+            size: _kIconFontSize,
+            fontWeight: FontWeight.w900,
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _onHeaderTap() {
+    if (_tileController.isExpanded) {
+      _tileController.collapse();
+    } else {
+      _tileController.expand();
+    }
+    _fadeController.show();
+  }
+
+  Widget _buildHeader(BuildContext context, Animation<double> animation) {
+    return CupertinoListTile(
+      key: _headerKey,
+      onTap: _onHeaderTap,
+      title: widget.title,
+      trailing: _buildIcon(context, animation),
+      backgroundColorActivated: CupertinoColors.transparent,
+    );
+  }
+
+  Widget _buildExpansible(
+    BuildContext context,
+    Widget header,
+    Widget body,
+    Animation<double> animation,
+  ) {
+    final Widget child = Column(
+      mainAxisSize: MainAxisSize.min,
+      children: <Widget>[
+        header,
+        if (animation.isAnimating && widget.transitionMode == ExpansionTileTransitionMode.fade)
+          Opacity(opacity: 0.0, child: body)
+        else
+          body,
+      ],
+    );
+    if (widget.transitionMode == ExpansionTileTransitionMode.scroll) {
+      return child;
+    }
+    assert(widget.transitionMode == ExpansionTileTransitionMode.fade);
+    return LayoutBuilder(
+      builder: (BuildContext context, BoxConstraints constraints) {
+        return OverlayPortal(
+          controller: _fadeController,
+          overlayChildBuilder: (BuildContext context) {
+            final BuildContext headerContext = _headerKey.currentContext!;
+            final RenderBox overlay =
+                Overlay.of(headerContext).context.findRenderObject()! as RenderBox;
+            final RenderBox headerBox = headerContext.findRenderObject()! as RenderBox;
+            final Offset headerOffset = headerBox.localToGlobal(Offset.zero, ancestor: overlay);
+            return Positioned(
+              top: headerOffset.dy + _kHeaderHeight,
+              left: headerOffset.dx,
+              child: ConstrainedBox(
+                constraints: constraints,
+                child: Visibility(
+                  visible: animation.isAnimating,
+                  child: FadeTransition(opacity: animation, child: widget.child),
+                ),
+              ),
+            );
+          },
+          child: child,
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Expansible(
+      controller: _tileController,
+      duration: _kAnimationDuration,
+      curve: _kAnimationCurve,
+      headerBuilder: _buildHeader,
+      bodyBuilder: (BuildContext context, Animation<double> animation) => widget.child,
+      expansibleBuilder: _buildExpansible,
+    );
+  }
+}
diff --git a/packages/flutter/lib/src/material/expansion_tile.dart b/packages/flutter/lib/src/material/expansion_tile.dart
index e5d438f8c02..b3995113979 100644
--- a/packages/flutter/lib/src/material/expansion_tile.dart
+++ b/packages/flutter/lib/src/material/expansion_tile.dart
@@ -394,9 +394,9 @@ class ExpansionTile extends StatefulWidget {
 
   /// If provided, the controller can be used to expand and collapse tiles.
   ///
-  /// In cases were control over the tile's state is needed from a callback triggered
-  /// by a widget within the tile, [ExpansionTileController.of] may be more convenient
-  /// than supplying a controller.
+  /// In cases where control over the tile's state is needed from a callback
+  /// triggered by a widget within the tile, [ExpansibleController.of] may be
+  /// more convenient than supplying a controller.
   final ExpansionTileController? controller;
 
   /// {@macro flutter.material.ListTile.dense}
diff --git a/packages/flutter/test/cupertino/expansion_tile_test.dart b/packages/flutter/test/cupertino/expansion_tile_test.dart
new file mode 100644
index 00000000000..63260457145
--- /dev/null
+++ b/packages/flutter/test/cupertino/expansion_tile_test.dart
@@ -0,0 +1,214 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// reduced-test-set:
+//   This file is run as part of a reduced test set in CI on Mac and Windows
+//   machines.
+@Tags(<String>['reduced-test-set'])
+library;
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  const Duration expansionDuration = Duration(milliseconds: 250);
+  const Duration infinitesimalDuration = Duration(microseconds: 1);
+  testWidgets('Toggles expansion on tap', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const CupertinoApp(
+        home: CupertinoPageScaffold(
+          child: CupertinoExpansionTile(title: Text('Title'), child: Text('Content')),
+        ),
+      ),
+    );
+
+    expect(find.text('Content'), findsNothing);
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+    // The child animating its height and a clone fading in.
+    expect(find.text('Content'), findsNWidgets(2));
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+    expect(find.text('Content'), findsNothing);
+  });
+
+  testWidgets('Can be controlled by ExpansibleController', (WidgetTester tester) async {
+    final ExpansibleController controller = ExpansibleController();
+    await tester.pumpWidget(
+      CupertinoApp(
+        home: CupertinoPageScaffold(
+          child: CupertinoExpansionTile(
+            controller: controller,
+            title: const Text('Title'),
+            child: const Text('Content'),
+          ),
+        ),
+      ),
+    );
+
+    expect(controller.isExpanded, isFalse);
+    expect(find.text('Content'), findsNothing);
+
+    controller.expand();
+    await tester.pump();
+    expect(controller.isExpanded, isTrue);
+    expect(find.text('Content'), findsOneWidget);
+
+    controller.collapse();
+    await tester.pump();
+    expect(controller.isExpanded, isFalse);
+    expect(find.text('Content'), findsNothing);
+
+    controller.dispose();
+  });
+
+  testWidgets('Controller can set the tile to be initially expanded', (WidgetTester tester) async {
+    final ExpansibleController controller = ExpansibleController();
+    await tester.pumpWidget(
+      CupertinoApp(
+        home: CupertinoPageScaffold(
+          child: CupertinoExpansionTile(
+            controller: controller,
+            title: const Text('Title'),
+            child: const Text('Content'),
+          ),
+        ),
+      ),
+    );
+
+    controller.expand();
+    await tester.pump();
+
+    expect(controller.isExpanded, isTrue);
+    expect(find.text('Content'), findsOneWidget);
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+    expect(controller.isExpanded, isFalse);
+    expect(find.text('Content'), findsNothing);
+
+    controller.dispose();
+  });
+
+  testWidgets('Nested expansion tile', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const CupertinoApp(
+        home: CupertinoPageScaffold(
+          child: CupertinoExpansionTile(
+            title: Text('Outer'),
+            child: CupertinoExpansionTile(title: Text('Inner'), child: Text('Content')),
+          ),
+        ),
+      ),
+    );
+
+    expect(find.text('Content'), findsNothing);
+
+    await tester.tap(find.text('Outer'));
+    await tester.pump();
+    await tester.pump(expansionDuration + infinitesimalDuration);
+    expect(find.text('Content'), findsNothing);
+
+    await tester.tap(find.text('Inner'));
+    await tester.pump();
+    await tester.pump(expansionDuration + infinitesimalDuration);
+    expect(find.text('Content'), findsOneWidget);
+
+    await tester.tap(find.text('Inner'));
+    await tester.pump();
+    await tester.pump(expansionDuration + infinitesimalDuration);
+    expect(find.text('Content'), findsNothing);
+
+    await tester.tap(find.text('Outer'));
+    await tester.pump();
+    await tester.pump(expansionDuration + infinitesimalDuration);
+    expect(find.text('Content'), findsNothing);
+  });
+
+  testWidgets('Default expansion animation and icon rotation', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const CupertinoApp(
+        home: Center(
+          child: RepaintBoundary(
+            child: CupertinoExpansionTile(
+              title: Text('Title'),
+              child: SizedBox(height: 50.0, child: ColoredBox(color: Color(0xffff0000))),
+            ),
+          ),
+        ),
+      ),
+    );
+
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.default.collapsed.png'),
+    );
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+
+    // Pump until halfway through the animation.
+    await tester.pump(expansionDuration ~/ 2);
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.default.forward.png'),
+    );
+
+    await tester.pumpAndSettle();
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.default.expanded.png'),
+    );
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+
+    // Pump until halfway through the animation.
+    await tester.pump(expansionDuration ~/ 2);
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.default.reverse.png'),
+    );
+  });
+
+  testWidgets('Expansion animation in scroll mode', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const CupertinoApp(
+        home: Center(
+          child: RepaintBoundary(
+            child: CupertinoExpansionTile(
+              title: Text('Title'),
+              transitionMode: ExpansionTileTransitionMode.scroll,
+              child: SizedBox(height: 50.0, child: ColoredBox(color: Color(0xffff0000))),
+            ),
+          ),
+        ),
+      ),
+    );
+
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+
+    // Pump until halfway through the animation.
+    await tester.pump(expansionDuration ~/ 2);
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.scroll_mode.forward.png'),
+    );
+
+    await tester.pumpAndSettle();
+    await tester.tap(find.text('Title'));
+    await tester.pump();
+
+    // Pump until halfway through the animation.
+    await tester.pump(expansionDuration ~/ 2);
+    await expectLater(
+      find.byType(CupertinoExpansionTile),
+      matchesGoldenFile('expansion_tile.scroll_mode.reverse.png'),
+    );
+    await tester.pumpAndSettle();
+  });
+}