diff --git a/app/lib/app/data/repository/auth_repositoty_impl.dart b/app/lib/app/data/repository/auth_repositoty_impl.dart
index 7b4ac921..468eb855 100644
--- a/app/lib/app/data/repository/auth_repositoty_impl.dart
+++ b/app/lib/app/data/repository/auth_repositoty_impl.dart
@@ -1,6 +1,7 @@
 import 'dart:developer';
 
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
 import 'package:my_quran/core/core.dart';
 
diff --git a/app/lib/app/data/source/auth_remote_data_source.dart b/app/lib/app/data/source/auth_remote_data_source.dart
index e5a57563..cf24b589 100644
--- a/app/lib/app/data/source/auth_remote_data_source.dart
+++ b/app/lib/app/data/source/auth_remote_data_source.dart
@@ -1,5 +1,5 @@
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 abstract class AuthRemoteDataSource {
   Future<void> loginWithEmail(String email);
diff --git a/app/lib/app/data/source/mock/auth_remote_data_source_mock.dart b/app/lib/app/data/source/mock/auth_remote_data_source_mock.dart
index 7848cbe8..f265093d 100644
--- a/app/lib/app/data/source/mock/auth_remote_data_source_mock.dart
+++ b/app/lib/app/data/source/mock/auth_remote_data_source_mock.dart
@@ -1,8 +1,7 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
 
-import 'package:my_quran/core/core.dart';
-
 @immutable
 final class AuthRemoteDataSourceMock implements AuthRemoteDataSource {
   const AuthRemoteDataSourceMock();
diff --git a/app/lib/app/data/source/remote/auth_remote_data_source_impl.dart b/app/lib/app/data/source/remote/auth_remote_data_source_impl.dart
index 3d4615b7..086dcc25 100644
--- a/app/lib/app/data/source/remote/auth_remote_data_source_impl.dart
+++ b/app/lib/app/data/source/remote/auth_remote_data_source_impl.dart
@@ -1,4 +1,5 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:mq_storage/mq_storage.dart';
 import 'package:my_quran/app/app.dart';
 import 'package:my_quran/config/config.dart';
diff --git a/app/lib/app/domain/repository/auth_repository.dart b/app/lib/app/domain/repository/auth_repository.dart
index 36e95964..db73673e 100644
--- a/app/lib/app/domain/repository/auth_repository.dart
+++ b/app/lib/app/domain/repository/auth_repository.dart
@@ -1,5 +1,5 @@
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 abstract class AuthRepository {
   UserEntity? get init;
diff --git a/app/lib/app/domain/usecase/apple_sign_in_use_case.dart b/app/lib/app/domain/usecase/apple_sign_in_use_case.dart
index 8bad4d48..22adad62 100644
--- a/app/lib/app/domain/usecase/apple_sign_in_use_case.dart
+++ b/app/lib/app/domain/usecase/apple_sign_in_use_case.dart
@@ -1,6 +1,6 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 @immutable
 final class AppleSignInUseCase {
diff --git a/app/lib/app/domain/usecase/google_sign_in_use_case.dart b/app/lib/app/domain/usecase/google_sign_in_use_case.dart
index 45d40ea8..d84b4920 100644
--- a/app/lib/app/domain/usecase/google_sign_in_use_case.dart
+++ b/app/lib/app/domain/usecase/google_sign_in_use_case.dart
@@ -1,6 +1,6 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 @immutable
 final class GoogleSignInUseCase {
diff --git a/app/lib/app/domain/usecase/patch_gender_user_case.dart b/app/lib/app/domain/usecase/patch_gender_user_case.dart
index 2091ae88..d408e974 100644
--- a/app/lib/app/domain/usecase/patch_gender_user_case.dart
+++ b/app/lib/app/domain/usecase/patch_gender_user_case.dart
@@ -1,6 +1,6 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 @immutable
 final class PatchGenderUseCase {
diff --git a/app/lib/app/domain/usecase/patch_locale_code_use_case.dart b/app/lib/app/domain/usecase/patch_locale_code_use_case.dart
index 4992b7b3..e9d3c067 100644
--- a/app/lib/app/domain/usecase/patch_locale_code_use_case.dart
+++ b/app/lib/app/domain/usecase/patch_locale_code_use_case.dart
@@ -1,6 +1,6 @@
 import 'package:meta/meta.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/app/app.dart';
-import 'package:my_quran/core/core.dart';
 
 @immutable
 final class PatchLocaleCodeUseCase {
diff --git a/app/lib/core/client/mq_dio.dart b/app/lib/core/client/mq_dio.dart
index 08c9addc..ec2cbee8 100644
--- a/app/lib/core/client/mq_dio.dart
+++ b/app/lib/core/client/mq_dio.dart
@@ -1,5 +1,6 @@
 import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart';
+import 'package:mq_either/mq_either.dart';
 import 'package:my_quran/core/core.dart';
 
 part 'mq_dio_base_extension.dart';
diff --git a/app/lib/core/core.dart b/app/lib/core/core.dart
index 72205982..697cbdb4 100644
--- a/app/lib/core/core.dart
+++ b/app/lib/core/core.dart
@@ -3,7 +3,6 @@ export 'client/network_client.dart';
 export 'client/http_exception.dart';
 export 'client/mq_dio.dart';
 export 'crashlytics/mq_crashlytics.dart';
-export 'either/either.dart';
 export 'exceptions/network_exception.dart';
 export 'exceptions/server_exception.dart';
 export 'exceptions/auth_exception.dart';
diff --git a/app/lib/core/either/either.dart b/app/lib/core/either/either.dart
deleted file mode 100644
index e46f4281..00000000
--- a/app/lib/core/either/either.dart
+++ /dev/null
@@ -1,101 +0,0 @@
-import 'package:meta/meta.dart';
-
-/// The Either class is an abstract class representing right and left values.
-/// ```dart
-/// void main() {
-///   // Creating a Right instance representing the right value.
-///   final rightValue = Right<int, String>(42);
-///
-///   // Creating a Left instance representing the left value.
-///   final leftValue = Left<int, String>('Error');
-///
-///   // Values can be processed using the fold method.
-///
-///   // Calling fold on rightValue.
-///   final rightResult = rightValue.fold(
-///     (error) => 'Left: $error', // This function is executed if there is no right value.
-///     (value) => 'Right: $value', // This function is executed if there is a right value.
-///   );
-///   print(rightResult); // Output: "Right: 42"
-///
-///   // Calling fold on leftValue.
-///   final leftResult = leftValue.fold(
-///     (error) => 'Left: $error', // This function is executed if there is a left value.
-///     (value) => 'Right: $value', // This function is executed if there is no left value.
-///   );
-///   print(leftResult); // Output: "Left: Error"
-/// }
-/// ```
-abstract class Either<R, L> {
-  const Either();
-
-  /// The fold method allows performing operations based on right and left values.
-  /// B is a type parameter and it performs operations using the ifLeft and ifRight functions.
-  B fold<B>(B Function(L l) ifLeft, B Function(R r) ifRight);
-}
-
-/// The Right class is derived from the Either class and represents the right value.
-/// ```dart
-/// void main() {
-///   // Creating a Right instance representing the right value.
-///   final rightValue = Right<int, String>(42);
-///
-///   // Calling fold on rightValue.
-///   final rightResult = rightValue.fold(
-///     (error) => 'Left: $error', // This function is executed if there is no right value.
-///     (value) => 'Right: $value', // This function is executed if there is a right value.
-///   );
-///   print(rightResult); // Output: "Right: 42"
-/// }
-/// ```
-@immutable
-final class Right<R, L> extends Either<R, L> {
-  const Right(this.r);
-
-  /// A field is defined to hold the right value.
-  final R r;
-
-  /// The fold method invokes the ifRight function using the right value and returns the result.
-  @override
-  B fold<B>(B Function(L l) ifLeft, B Function(R r) ifRight) => ifRight(r);
-
-  /// Equality check is defined for operator == and hashCode is computed for hashing.
-  @override
-  bool operator ==(Object other) => other is Right && other.r == r;
-
-  @override
-  int get hashCode => r.hashCode;
-}
-
-/// The Left class is derived from the Either class and represents the left value.
-/// ```dart
-/// void main() {
-///   // Creating a Left instance representing the left value.
-///   final leftValue = Left<int, String>('Error');
-///
-///   // Calling fold on leftValue.
-///   final leftResult = leftValue.fold(
-///     (error) => 'Left: $error', // This function is executed if there is a left value.
-///     (value) => 'Right: $value', // This function is executed if there is no left value.
-///   );
-///   print(leftResult); // Output: "Left:
-/// }
-/// ```
-@immutable
-final class Left<R, L> extends Either<R, L> {
-  const Left(this.l);
-
-  /// A field is defined to hold the left value.
-  final L l;
-
-  /// The fold method invokes the ifLeft function using the left value and returns the result.
-  @override
-  B fold<B>(B Function(L l) ifLeft, B Function(R r) ifRight) => ifLeft(l);
-
-  /// Equality check is defined for operator == and hashCode is computed for hashing.
-  @override
-  bool operator ==(Object other) => other is Left && other.l == l;
-
-  @override
-  int get hashCode => l.hashCode;
-}
diff --git a/app/pubspec.lock b/app/pubspec.lock
index e00f2683..345ab1a3 100644
--- a/app/pubspec.lock
+++ b/app/pubspec.lock
@@ -822,6 +822,13 @@ packages:
       relative: true
     source: path
     version: "1.0.0"
+  mq_either:
+    dependency: "direct main"
+    description:
+      path: "../packages/mq_either"
+      relative: true
+    source: path
+    version: "0.1.0+1"
   mq_storage:
     dependency: "direct main"
     description:
diff --git a/app/pubspec.yaml b/app/pubspec.yaml
index 9766ff7c..e6ab6a23 100644
--- a/app/pubspec.yaml
+++ b/app/pubspec.yaml
@@ -43,6 +43,8 @@ dependencies:
     path: ../packages/mq_storage/
   mq_ci_keys:
     path: ../packages/mq_ci_keys/ 
+  mq_either:
+    path: ../packages/mq_either/
   # flutter_native_splash: ^2.4.0
 
 dev_dependencies:
diff --git a/packages/mq_either/pubspec.yaml b/packages/mq_either/pubspec.yaml
index 209bb683..37dc65d3 100644
--- a/packages/mq_either/pubspec.yaml
+++ b/packages/mq_either/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
   sdk: ^3.4.0
 
 dependencies:  
-  meta: ^1.15.0  
+  meta: ^1.12.0
 
 dev_dependencies:
   mocktail: ^1.0.4