Privacy Policy

This application includes both offline and online calculation features. For account identification, proper functionality, and service improvement, the app may collect and securely transmit the user's email address, device model, and operating system version. Anonymous usage statistics (such as feature usage frequency) may also be collected to improve performance and user experience. We do not collect sensitive personal information, and user data is not sold, rented, or shared with third parties. All data is processed securely and used solely for operating and improving the application. By using this application, you agree to this Privacy Policy.