diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/auth/AuthService.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/auth/AuthService.kt
index 0c61335..fef3758 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/auth/AuthService.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/auth/AuthService.kt
@@ -23,11 +23,11 @@ class AuthService(
     private val userRepository: UserRepository,
     private val schoolRepository: SchoolRepository,
     private val googleOAuth2Client: GoogleOAuth2Client,
+    private val googleOAuth2Helper: GoogleOAuth2Helper,
     private val appleOAuth2Client: AppleOAuth2Client,
     private val appleOAuth2Helper: AppleOAuth2Helper,
-    private val googleOAuth2Helper: GoogleOAuth2Helper,
     private val jwtClient: JwtClient,
-    private val sessionHolder: UserAuthenticationHolder
+    private val authenticationHolder: UserAuthenticationHolder
 ) {
     fun signIn(req: SignInReq): TokenRes {
         val email = when (req.platformType) {
@@ -50,7 +50,7 @@ class AuthService(
 
     fun signUp(req: SignUpReq): TokenRes {
         val school = schoolRepository.getBy(req.schoolId)
-        val user = sessionHolder.current()
+        val user = authenticationHolder.current()
 
         if (user.isActive) {
             throw CustomException(HttpStatus.BAD_REQUEST, "User already sign in")
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/meal/MealService.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/meal/MealService.kt
index 5112d8f..19a8738 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/meal/MealService.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/meal/MealService.kt
@@ -3,8 +3,6 @@ package com.bestswlkh0310.graduating.graduatingserver.api.meal
 import com.bestswlkh0310.graduating.graduatingserver.api.meal.res.MealRes
 import com.bestswlkh0310.graduating.graduatingserver.core.global.safeSaveAll
 import com.bestswlkh0310.graduating.graduatingserver.core.meal.MealRepository
-import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolRepository
-import com.bestswlkh0310.graduating.graduatingserver.core.school.getBy
 import com.bestswlkh0310.graduating.graduatingserver.core.user.UserAuthenticationHolder
 import com.bestswlkh0310.graduating.graduatingserver.global.exception.CustomException
 import com.bestswlkh0310.graduating.graduatingserver.infra.neis.meal.NeisMealClient
@@ -16,10 +14,10 @@ import java.time.LocalDate
 class MealService(
     private val mealRepository: MealRepository,
     private val neisMealClient: NeisMealClient,
-    private val sessionHolder: UserAuthenticationHolder
+    private val authenticationHolder: UserAuthenticationHolder
 ) {
     fun getMeals(): List<MealRes> {
-        val school = sessionHolder.current().school ?: throw CustomException(HttpStatus.NOT_FOUND, "Not found school")
+        val school = authenticationHolder.current().school ?: throw CustomException(HttpStatus.NOT_FOUND, "Not found school")
 
         val currentTime = LocalDate.now()
         val schools = mealRepository.findBySchoolIdAndMealDate(school.id, currentTime)
diff --git a/Graduating-iOS/Graduating/Feature/Component/GoogleAdView.swift b/Graduating-iOS/Graduating/Feature/Component/GoogleAdView.swift
new file mode 100644
index 0000000..a8ecccf
--- /dev/null
+++ b/Graduating-iOS/Graduating/Feature/Component/GoogleAdView.swift
@@ -0,0 +1,44 @@
+import SwiftUI
+import GoogleMobileAds
+
+public struct GoogleAdView: UIViewControllerRepresentable {
+    public func makeUIViewController(context: Context) -> UIViewController {
+        let viewController = UIViewController()
+        let bannerSize = GADPortraitAnchoredAdaptiveBannerAdSizeWithWidth(UIScreen.main.bounds.width)
+        let banner = GADBannerView(adSize: bannerSize)
+        banner.rootViewController = viewController
+        viewController.view.addSubview(banner)
+        viewController.view.frame = CGRect(origin: .zero, size: bannerSize.size)
+#if DEBUG
+        banner.adUnitID = "ca-app-pub-3940256099942544/2435281174"
+#else
+        banner.adUnitID = "ca-app-pub-2589637472995872/3554240467"
+#endif
+        banner.load(GADRequest())
+        return viewController
+    }
+    
+    public func updateUIViewController(_ viewController: UIViewController, context: Context) {}
+}
+
+public extension GoogleAdView {
+    struct BottomBannerPresenter<Banner: View, Label: View>: View {
+        public let banner: () -> Banner
+        public let label: () -> Label
+        
+        public init(
+            @ViewBuilder banner: @escaping () -> Banner,
+            @ViewBuilder label: @escaping () -> Label
+        ) {
+            self.banner = banner
+            self.label = label
+        }
+        
+        public var body: some View {
+            VStack(spacing: 0) {
+                banner()
+                label()
+            }
+        }
+    }
+}
diff --git a/Graduating-iOS/Graduating/GraduatingApp.swift b/Graduating-iOS/Graduating/GraduatingApp.swift
index 94e5112..08e46d0 100644
--- a/Graduating-iOS/Graduating/GraduatingApp.swift
+++ b/Graduating-iOS/Graduating/GraduatingApp.swift
@@ -33,11 +33,16 @@ extension GraduatingApp {
                     datePickerProvider: datePickerProvider,
                     timePickerProvider: timePickerProvider
                 ) {
-                    NavigationStack(path: $router.path) {
-                        if appState.shouldSignUp {
-                            OnboardingCoordinator()
-                        } else {
-                            MainCoordinator()
+                    GoogleAdView.BottomBannerPresenter {
+                        GoogleAdView()
+                            .frame(width: UIScreen.main.bounds.width, height: GADPortraitAnchoredAdaptiveBannerAdSizeWithWidth(UIScreen.main.bounds.width).size.height)
+                    } label: {
+                        NavigationStack(path: $router.path) {
+                            if appState.shouldSignUp {
+                                OnboardingCoordinator()
+                            } else {
+                                MainCoordinator()
+                            }
                         }
                     }
                 }