diff --git a/NativeAppTemplate/Logging/Logger.swift b/NativeAppTemplate/Logging/Logger.swift
index 873e051..a7c4124 100644
--- a/NativeAppTemplate/Logging/Logger.swift
+++ b/NativeAppTemplate/Logging/Logger.swift
@@ -5,7 +5,7 @@
 
 import os
 
-private let appLogger = os.Logger(subsystem: "com.nativeapptemplate", category: "app")
+let appLogger = os.Logger(subsystem: "com.nativeapptemplate", category: "app")
 
 struct Failure {
     static func signUp(from source: (some Any).Type, reason: String) -> Self {
diff --git a/NativeAppTemplate/Login/LoginRepository.swift b/NativeAppTemplate/Login/LoginRepository.swift
index e5f45e1..dcf711f 100644
--- a/NativeAppTemplate/Login/LoginRepository.swift
+++ b/NativeAppTemplate/Login/LoginRepository.swift
@@ -4,6 +4,7 @@
 //
 
 import Foundation
+import os
 
 @MainActor @Observable public class LoginRepository: LoginRepositoryProtocol {
     // MARK: - Properties
@@ -18,9 +19,7 @@ import Foundation
                 let loggedInShopkeeper = try keychainStore.retrieve()
                 _currentShopkeeper = Shopkeeper(from: loggedInShopkeeper)
             } catch {
-                #if DEBUG
-                print(error)
-                #endif
+                appLogger.debug("LoginRepository retrieve error: \(error, privacy: .private)")
             }
         }
         return _currentShopkeeper
@@ -88,9 +87,7 @@ import Foundation
         do {
             try keychainStore.remove()
         } catch {
-            #if DEBUG
-            print(error)
-            #endif
+            appLogger.debug("LoginRepository remove error: \(error, privacy: .private)")
         }
     }
 }
diff --git a/NativeAppTemplate/Login/SignUpRepository.swift b/NativeAppTemplate/Login/SignUpRepository.swift
index 0e65b48..666770f 100644
--- a/NativeAppTemplate/Login/SignUpRepository.swift
+++ b/NativeAppTemplate/Login/SignUpRepository.swift
@@ -4,6 +4,7 @@
 //
 
 import Foundation
+import os
 
 @MainActor class SignUpRepository: SignUpRepositoryProtocol {
     func signUp(signUp: SignUp) async throws -> Shopkeeper {
@@ -100,9 +101,7 @@ import Foundation
         do {
             try keychainStore.remove()
         } catch {
-            #if DEBUG
-            print(error)
-            #endif
+            appLogger.debug("SignUpRepository remove error: \(error, privacy: .private)")
         }
     }
 }
diff --git a/NativeAppTemplate/NFCManager.swift b/NativeAppTemplate/NFCManager.swift
index 602638b..a3ecc81 100644
--- a/NativeAppTemplate/NFCManager.swift
+++ b/NativeAppTemplate/NFCManager.swift
@@ -5,6 +5,7 @@
 
 @preconcurrency import CoreNFC
 import Foundation
+import os
 
 protocol NFCManagerProtocol: Sendable {
     @MainActor var scanResult: Result<ItemTagData, Error>? { get }
@@ -205,9 +206,7 @@ extension NFCManager: NFCNDEFReaderSessionDelegate {
             isLock: isLock
         ) { error in
             guard error == nil else { return }
-            #if DEBUG
-            print(">>> Write: \(userNdefMessage)")
-            #endif
+            appLogger.debug("NFC Write: \(userNdefMessage, privacy: .private)")
         }
     }
 
@@ -265,8 +264,6 @@ extension NFCManager: NFCNDEFReaderSessionDelegate {
     func readerSessionDidBecomeActive(_ session: NFCNDEFReaderSession) {}
 
     func readerSession(_ session: NFCNDEFReaderSession, didInvalidateWithError error: Error) {
-        #if DEBUG
-        print("readerSession error: \(error.localizedDescription)")
-        #endif
+        appLogger.debug("readerSession error: \(error.localizedDescription, privacy: .private)")
     }
 }
diff --git a/NativeAppTemplate/Persistence/KeychainStore/KeychainStore.swift b/NativeAppTemplate/Persistence/KeychainStore/KeychainStore.swift
index 3ac03ed..0352553 100644
--- a/NativeAppTemplate/Persistence/KeychainStore/KeychainStore.swift
+++ b/NativeAppTemplate/Persistence/KeychainStore/KeychainStore.swift
@@ -5,6 +5,7 @@
 
 import Foundation
 import KeychainAccess
+import os
 
 enum KeychainStoreError: Error {
     case secCallFailed(Error)
@@ -60,9 +61,7 @@ extension KeychainStore {
 
     func store(_ data: DataType) throws {
         let archived: Data
-        #if DEBUG
-        print("data: \(data)")
-        #endif
+        appLogger.debug("KeychainStore data: \(data, privacy: .private)")
         do {
             archived = try NSKeyedArchiver.archivedData(withRootObject: data, requiringSecureCoding: true)
         } catch {
diff --git a/NativeAppTemplate/Utilities/Utility.swift b/NativeAppTemplate/Utilities/Utility.swift
index 0257a80..3f20488 100644
--- a/NativeAppTemplate/Utilities/Utility.swift
+++ b/NativeAppTemplate/Utilities/Utility.swift
@@ -5,6 +5,7 @@
 
 import CoreNFC
 import Foundation
+import os
 
 enum Utility {
     static func scanUrl(itemTagId: String, itemTagType: String) -> URL {
@@ -75,16 +76,12 @@ enum Utility {
                 if let itemTagId = item.value {
                     itemTagInfo.id = itemTagId
                 }
-                #if DEBUG
-                print("item_tag_id: \(String(describing: itemTagInfo.id))")
-                #endif
+                appLogger.debug("item_tag_id: \(String(describing: itemTagInfo.id), privacy: .private)")
             case "type":
                 if let type = item.value {
                     itemTagInfo.type = type
                 }
-                #if DEBUG
-                print("type: \(String(describing: itemTagInfo.type))")
-                #endif
+                appLogger.debug("type: \(String(describing: itemTagInfo.type), privacy: .private)")
             default:
                 break
             }