diff --git a/iOS-NOTTODO/iOS-NOTTODO/Global/Protocol/AmplitudeAnalyticsService.swift b/iOS-NOTTODO/iOS-NOTTODO/Global/Protocol/AmplitudeAnalyticsService.swift
index b2a26867..973cf2ca 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Global/Protocol/AmplitudeAnalyticsService.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Global/Protocol/AmplitudeAnalyticsService.swift
@@ -9,7 +9,7 @@ import UIKit
 
 import Amplitude
 
-class AmplitudeAnalyticsService: AnalyticsServiceProtocol {
+final class AmplitudeAnalyticsService: AnalyticsServiceProtocol {
     static let shared: AmplitudeAnalyticsService = AmplitudeAnalyticsService()
   
     init() {}
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/Cell/DetailAchievementCollectionViewCell.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/Cell/DetailAchievementCollectionViewCell.swift
index c4a392c5..694e8b95 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/Cell/DetailAchievementCollectionViewCell.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/Cell/DetailAchievementCollectionViewCell.swift
@@ -7,7 +7,7 @@
 
 import UIKit
 
-class DetailAchievementCollectionViewCell: UICollectionViewCell {
+final class DetailAchievementCollectionViewCell: UICollectionViewCell {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/ViewControllers/StatisticsView.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/ViewControllers/StatisticsView.swift
index 3f989243..f1b42f42 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/ViewControllers/StatisticsView.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Achievement/ViewControllers/StatisticsView.swift
@@ -10,7 +10,7 @@ import UIKit
 import Then
 import SnapKit
 
-class StatisticsView: UIView {
+final class StatisticsView: UIView {
     
     // MARK: - UI Components
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Auth/AuthViewController.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Auth/AuthViewController.swift
index 57d9733c..0ffeb4cb 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Auth/AuthViewController.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Auth/AuthViewController.swift
@@ -17,7 +17,7 @@ import KakaoSDKCommon
 import KakaoSDKAuth
 import KakaoSDKUser
 
-class AuthViewController: UIViewController {
+final class AuthViewController: UIViewController {
     
     // MARK: - UI Components
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Common/StackView/DetailStackView.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Common/StackView/DetailStackView.swift
index e268dad2..bd5d18c1 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Common/StackView/DetailStackView.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Common/StackView/DetailStackView.swift
@@ -10,7 +10,7 @@ import UIKit
 import Then
 import SnapKit
 
-class DetailStackView: UIView {
+final class DetailStackView: UIView {
     
     let verticalStackView = UIStackView()
     let tagLabel = UILabel()
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/OnboardingCollectionViewCell.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/OnboardingCollectionViewCell.swift
index 1d2a2193..c6f26905 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/OnboardingCollectionViewCell.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/OnboardingCollectionViewCell.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class OnboardingCollectionViewCell: UICollectionViewCell {
+final class OnboardingCollectionViewCell: UICollectionViewCell {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/SubOnboardingCollectionViewCell.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/SubOnboardingCollectionViewCell.swift
index 5146293f..4a4446b6 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/SubOnboardingCollectionViewCell.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/Cell/SubOnboardingCollectionViewCell.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class SubOnboardingCollectionViewCell: UICollectionViewCell {
+final class SubOnboardingCollectionViewCell: UICollectionViewCell {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/LogoOnboardingViewController.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/LogoOnboardingViewController.swift
index c3cbd5d2..0e9391fd 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/LogoOnboardingViewController.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/LogoOnboardingViewController.swift
@@ -8,7 +8,7 @@
 import UIKit
 import AVFoundation
 
-class LogoOnboardingViewController: UIViewController {
+final class LogoOnboardingViewController: UIViewController {
 
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/ValueOnboardingViewController.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/ValueOnboardingViewController.swift
index bd184245..c61abe83 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/ValueOnboardingViewController.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Onboarding/ViewControllers/ValueOnboardingViewController.swift
@@ -9,7 +9,7 @@ import UIKit
 
 import Lottie
 
-class ValueOnboardingViewController: UIViewController {
+final class ValueOnboardingViewController: UIViewController {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/Cells/RecommendCollectionViewCell.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/Cells/RecommendCollectionViewCell.swift
index 581b3282..3f2594ae 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/Cells/RecommendCollectionViewCell.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/Cells/RecommendCollectionViewCell.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class RecommendCollectionViewCell: UICollectionViewCell {
+final class RecommendCollectionViewCell: UICollectionViewCell {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/ViewControllers/RecommendViewController.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/ViewControllers/RecommendViewController.swift
index 869ccbda..e9e3d3e6 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/ViewControllers/RecommendViewController.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/Recommend/ViewControllers/RecommendViewController.swift
@@ -7,7 +7,7 @@
 
 import UIKit
 
-class RecommendViewController: UIViewController {
+final class RecommendViewController: UIViewController {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionCollectionViewCell.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionCollectionViewCell.swift
index f6f5c4c1..2b777ea6 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionCollectionViewCell.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionCollectionViewCell.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class RecommendActionCollectionViewCell: UICollectionViewCell {
+final class RecommendActionCollectionViewCell: UICollectionViewCell {
     
     // MARK: - Properties
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionFooterView.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionFooterView.swift
index f3c4c652..f5f75f4f 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionFooterView.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionFooterView.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class RecommendActionFooterView: UICollectionReusableView {
+final class RecommendActionFooterView: UICollectionReusableView {
     
     // MARK: - Identifier
     
diff --git a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionHeaderView.swift b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionHeaderView.swift
index 0de1829b..d9b31489 100644
--- a/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionHeaderView.swift
+++ b/iOS-NOTTODO/iOS-NOTTODO/Presentation/RecommendAction/Cells/RecommendActionHeaderView.swift
@@ -10,7 +10,7 @@ import UIKit
 import SnapKit
 import Then
 
-class RecommendActionHeaderView: UICollectionReusableView {
+final class RecommendActionHeaderView: UICollectionReusableView {
     
     // MARK: - Identifier