diff --git a/src/main/java/com/sb/web/auth/service/AuthService.java b/src/main/java/com/sb/web/auth/service/AuthService.java
index 2ac2a85..424eb77 100644
--- a/src/main/java/com/sb/web/auth/service/AuthService.java
+++ b/src/main/java/com/sb/web/auth/service/AuthService.java
@@ -45,8 +45,8 @@ public class AuthService {
     @org.springframework.beans.factory.annotation.Value("${app.google-client-id:}")
     private String googleClientId;
 
-    /** 애플 로그인 aud(=iOS 앱 번들 ID). 기본값은 앱 패키지명. */
-    @org.springframework.beans.factory.annotation.Value("${app.apple-client-id:kr.sblog.slimbudget}")
+    /** 애플 로그인 aud(=iOS 앱 번들 ID). iOS 번들ID는 kr.sblog.slimbudget.app (안드로이드 패키지와 별개). */
+    @org.springframework.beans.factory.annotation.Value("${app.apple-client-id:kr.sblog.slimbudget.app}")
     private String appleClientId;
 
     /** 애플 ID 토큰 검증기(JWKS 캐시 포함). 최초 사용 시 lazy 초기화. */