ろうきん かんたん通帳 is a free utility and tools application available for iPhone. Developed by THE ROKINREN BANK, this app allows users to easily search and filter past transaction details, making it convenient to find specific information. Additionally, users have the option to hide their account balance, ensuring privacy when using the app on the go. The ability to input memos for each transaction also provides a way to record additional information. With support for landscape orientation, users can enjoy a similar experience to using a physical passbook.

Security is a top priority for THE ROKINREN BANK. They have implemented a secure system and regularly conduct security checks, including third-party vulnerability assessments. The company has also obtained international standards for their information security management. Users can have peace of mind while using the "ろうきん かんたん通帳" app.

Please note that initial registration is required to use the app. Users are advised to review the terms of use and privacy policy before proceeding.

For any feedback, bug reports, or inquiries, users can contact the developer through the "ご意見・お問い合わせ" section within the app.