diff --git a/app-ios/App/App.xctestplan b/app-ios/App/App.xctestplan
index 6b80b28d2..a17c7464f 100644
--- a/app-ios/App/App.xctestplan
+++ b/app-ios/App/App.xctestplan
@@ -37,6 +37,13 @@
         "identifier" : "TimetableDetailFeatureTests",
         "name" : "TimetableDetailFeatureTests"
       }
+    },
+    {
+      "target" : {
+        "containerPath" : "container:",
+        "identifier" : "FavoriteFeatureTests",
+        "name" : "FavoriteFeatureTests"
+      }
     }
   ],
   "version" : 1
diff --git a/app-ios/Package.swift b/app-ios/Package.swift
index 21d308fcf..806311f51 100644
--- a/app-ios/Package.swift
+++ b/app-ios/Package.swift
@@ -29,7 +29,11 @@ let package = Package(
         .library(
             name: "AboutFeature",
             targets: ["AboutFeature"]
-        )
+        ),
+        .library(
+            name: "FavoriteFeature",
+            targets: ["FavoriteFeature"]
+        ),
     ],
     dependencies: [
         .package(url: "https://github.com/pointfreeco/swift-composable-architecture.git", exact: "1.10.2"),
@@ -40,6 +44,8 @@ let package = Package(
         .target(
             name: "App",
             dependencies: [
+                .aboutFeature,
+                .favoriteFeature,
                 .timetableFeature,
                 .timetableDetailFeature,
                 .tca,
@@ -111,6 +117,20 @@ let package = Package(
             ]
         ),
 
+        .target(
+            name: "FavoriteFeature",
+            dependencies: [
+                .tca,
+            ]
+        ),
+        .testTarget(
+            name: "FavoriteFeatureTests",
+            dependencies: [
+                .favoriteFeature,
+                .tca
+            ]
+        ),
+
         // Please run ./gradlew app-ios-shared:assembleSharedXCFramework first
         .binaryTarget(name: "KmpModule", path: "../app-ios-shared/build/XCFrameworks/debug/shared.xcframework"),
     ]
@@ -133,6 +153,7 @@ extension Target.Dependency {
     static let timetableDetailFeature: Target.Dependency = "TimetableDetailFeature"
     static let timetableFeature: Target.Dependency = "TimetableFeature"
     static let aboutFeature: Target.Dependency = "AboutFeature"
+    static let favoriteFeature: Target.Dependency = "FavoriteFeature"
     static let kmpModule: Target.Dependency = "KmpModule"
 
     static let firebaseAuth: Target.Dependency = .product(name: "FirebaseAuth", package: "firebase-ios-sdk")
diff --git a/app-ios/Sources/App/RootReducer.swift b/app-ios/Sources/App/RootReducer.swift
index f38402681..c89e23962 100644
--- a/app-ios/Sources/App/RootReducer.swift
+++ b/app-ios/Sources/App/RootReducer.swift
@@ -1,4 +1,6 @@
+import AboutFeature
 import ComposableArchitecture
+import FavoriteFeature
 import TimetableFeature
 
 @Reducer
@@ -9,19 +11,27 @@ public struct RootReducer {
     public struct State: Equatable {
         public var appDelegate: AppDelegateReducer.State
         public var timetable: TimetableReducer.State
+        public var favorite: FavoriteReducer.State
+        public var about: AboutReducer.State
 
         public init(
             appDelegate: AppDelegateReducer.State = .init(),
-            timetable: TimetableReducer.State = .init()
+            timetable: TimetableReducer.State = .init(),
+            favorite: FavoriteReducer.State = .init(),
+            about: AboutReducer.State = .init()
         ) {
             self.appDelegate = appDelegate
             self.timetable = timetable
+            self.favorite = favorite
+            self.about = about
         }
     }
 
     public enum Action {
         case appDelegate(AppDelegateReducer.Action)
         case timetable(TimetableReducer.Action)
+        case favorite(FavoriteReducer.Action)
+        case about(AboutReducer.Action)
     }
 
     public var body: some ReducerOf<Self> {
@@ -31,5 +41,11 @@ public struct RootReducer {
         Scope(state: \.timetable, action: \.timetable) {
             TimetableReducer()
         }
+        Scope(state: \.favorite, action: \.favorite) {
+            FavoriteReducer()
+        }
+        Scope(state: \.about, action: \.about) {
+            AboutReducer()
+        }
     }
 }
diff --git a/app-ios/Sources/App/RootView.swift b/app-ios/Sources/App/RootView.swift
index 382a1223c..abd4ab468 100644
--- a/app-ios/Sources/App/RootView.swift
+++ b/app-ios/Sources/App/RootView.swift
@@ -1,3 +1,5 @@
+import AboutFeature
+import FavoriteFeature
 import ComposableArchitecture
 import SwiftUI
 import TimetableFeature
@@ -43,23 +45,33 @@ public struct RootView: View {
                     )
                 }
 
-            Text("Favorite Feature")
-                .tag(Tab.favorite)
-                .tabItem {
-                    Label(
-                        title: { Text("Favorite") },
-                        icon: { Image(systemName: "42.circle") }
-                    )
-                }
+            FavoriteScreen(
+                store: store.scope(
+                    state: \.favorite,
+                    action: \.favorite
+                )
+            )
+            .tag(Tab.favorite)
+            .tabItem {
+                Label(
+                    title: { Text("Favorite") },
+                    icon: { Image(systemName: "42.circle") }
+                )
+            }
 
-            Text("About Feature")
-                .tag(Tab.about)
-                .tabItem {
-                    Label(
-                        title: { Text("About") },
-                        icon: { Image(systemName: "42.circle") }
-                    )
-                }
+            AboutView(
+                store: store.scope(
+                    state: \.about,
+                    action: \.about
+                )
+            )
+            .tag(Tab.about)
+            .tabItem {
+                Label(
+                    title: { Text("About") },
+                    icon: { Image(systemName: "42.circle") }
+                )
+            }
 
             Text("ID Card Feature")
                 .tag(Tab.idCard)
diff --git a/app-ios/Sources/FavoriteFeature/FavoriteReducer.swift b/app-ios/Sources/FavoriteFeature/FavoriteReducer.swift
new file mode 100644
index 000000000..4c089cc73
--- /dev/null
+++ b/app-ios/Sources/FavoriteFeature/FavoriteReducer.swift
@@ -0,0 +1,30 @@
+import ComposableArchitecture
+
+@Reducer
+public struct FavoriteReducer {
+    public init() { }
+
+    @ObservableState
+    public struct State: Equatable {
+        public var text: String
+
+        public init(text: String = "") {
+            self.text = text
+        }
+    }
+
+    public enum Action {
+        case onAppear
+    }
+
+    public var body: some ReducerOf<Self> {
+        Reduce { state, action in
+            switch action {
+            case .onAppear:
+                state.text = "Favorite Feature"
+                return .none
+            }
+        }
+    }
+}
+
diff --git a/app-ios/Sources/FavoriteFeature/FavoriteScreen.swift b/app-ios/Sources/FavoriteFeature/FavoriteScreen.swift
new file mode 100644
index 000000000..eef5d6d7a
--- /dev/null
+++ b/app-ios/Sources/FavoriteFeature/FavoriteScreen.swift
@@ -0,0 +1,26 @@
+import ComposableArchitecture
+import SwiftUI
+
+public struct FavoriteScreen: View {
+    private let store: StoreOf<FavoriteReducer>
+
+    public init(store: StoreOf<FavoriteReducer>) {
+        self.store = store
+    }
+
+    public var body: some View {
+        Text(store.text)
+            .onAppear {
+                store.send(.onAppear)
+            }
+    }
+}
+
+#Preview {
+    FavoriteScreen(
+        store: .init(
+            initialState: .init(),
+            reducer: {}
+        )
+    )
+}
diff --git a/app-ios/Tests/FavoriteFeatureTests/FavoriteTests.swift b/app-ios/Tests/FavoriteFeatureTests/FavoriteTests.swift
new file mode 100644
index 000000000..4cbde630c
--- /dev/null
+++ b/app-ios/Tests/FavoriteFeatureTests/FavoriteTests.swift
@@ -0,0 +1,16 @@
+import XCTest
+import ComposableArchitecture
+@testable import FavoriteFeature
+
+final class FavoriteTests: XCTestCase {
+    @MainActor func testExample() async throws {
+        let store = TestStore(
+            initialState: FavoriteReducer.State(text: "Test")
+        ) {
+            FavoriteReducer()
+        }
+        await store.send(.onAppear) {
+            $0.text = "Favorite Feature"
+        }
+    }
+}