diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index aa750f3..db8ab85 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 android {
-    namespace = "com.example.ledger"
+    namespace = "com.shafisma.ledger"
     compileSdk = flutter.compileSdkVersion
     ndkVersion = flutter.ndkVersion
 
@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "com.example.ledger"
+        applicationId = "com.shafisma.ledger"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
diff --git a/android/app/src/main/kotlin/com/example/ledger/MainActivity.kt b/android/app/src/main/kotlin/com/shafisma/ledger/MainActivity.kt
similarity index 76%
rename from android/app/src/main/kotlin/com/example/ledger/MainActivity.kt
rename to android/app/src/main/kotlin/com/shafisma/ledger/MainActivity.kt
index 0b7b7af..ee8e0ca 100644
--- a/android/app/src/main/kotlin/com/example/ledger/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/shafisma/ledger/MainActivity.kt
@@ -1,4 +1,4 @@
-package com.example.ledger
+package com.shafisma.ledger
 
 import io.flutter.embedding.android.FlutterActivity
 
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index ba241c0..e7f7e82 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -368,7 +368,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -384,7 +384,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -401,7 +401,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -416,7 +416,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
@@ -547,7 +547,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -569,7 +569,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt
index c7bc173..1310225 100644
--- a/linux/CMakeLists.txt
+++ b/linux/CMakeLists.txt
@@ -7,7 +7,7 @@ project(runner LANGUAGES CXX)
 set(BINARY_NAME "ledger")
 # The unique GTK application identifier for this application. See:
 # https://wiki.gnome.org/HowDoI/ChooseApplicationID
-set(APPLICATION_ID "com.example.ledger")
+set(APPLICATION_ID "com.shafisma.ledger")
 
 # Explicitly opt in to modern CMake behaviors to avoid warnings with recent
 # versions of CMake.
diff --git a/macos/Runner.xcodeproj/project.pbxproj b/macos/Runner.xcodeproj/project.pbxproj
index b1bb2d7..653dfcd 100644
--- a/macos/Runner.xcodeproj/project.pbxproj
+++ b/macos/Runner.xcodeproj/project.pbxproj
@@ -385,7 +385,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ledger.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/ledger";
@@ -399,7 +399,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ledger.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/ledger";
@@ -413,7 +413,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger.RunnerTests;
+				PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger.RunnerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ledger.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/ledger";
diff --git a/macos/Runner/Configs/AppInfo.xcconfig b/macos/Runner/Configs/AppInfo.xcconfig
index 7cf7010..d15e718 100644
--- a/macos/Runner/Configs/AppInfo.xcconfig
+++ b/macos/Runner/Configs/AppInfo.xcconfig
@@ -8,7 +8,7 @@
 PRODUCT_NAME = ledger
 
 // The application's bundle identifier
-PRODUCT_BUNDLE_IDENTIFIER = com.example.ledger
+PRODUCT_BUNDLE_IDENTIFIER = com.shafisma.ledger
 
 // The copyright displayed in application information
-PRODUCT_COPYRIGHT = Copyright © 2026 com.example. All rights reserved.
+PRODUCT_COPYRIGHT = Copyright © 2026 com.shafisma. All rights reserved.
diff --git a/windows/runner/Runner.rc b/windows/runner/Runner.rc
index 59213dc..aad5f52 100644
--- a/windows/runner/Runner.rc
+++ b/windows/runner/Runner.rc
@@ -89,11 +89,11 @@ BEGIN
     BEGIN
         BLOCK "040904e4"
         BEGIN
-            VALUE "CompanyName", "com.example" "\0"
+            VALUE "CompanyName", "com.shafisma" "\0"
             VALUE "FileDescription", "ledger" "\0"
             VALUE "FileVersion", VERSION_AS_STRING "\0"
             VALUE "InternalName", "ledger" "\0"
-            VALUE "LegalCopyright", "Copyright (C) 2026 com.example. All rights reserved." "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2026 com.shafisma. All rights reserved." "\0"
             VALUE "OriginalFilename", "ledger.exe" "\0"
             VALUE "ProductName", "ledger" "\0"
             VALUE "ProductVersion", VERSION_AS_STRING "\0"