Minato Bank's official banking app, みなとdeグループアプリ, is an iPhone app designed for customers with accounts at the bank. The app provides access to various banking services, including balance inquiries and money transfers, from anywhere and at any time.

Security is a top priority for the app, and users can authenticate their login with biometric authentication and use a stronger security password for transactions involving withdrawals from their accounts. In case of a lost debit card (Visa), users can easily stop the card's functionality through the app.

To use the app, users need to input and confirm their account information and other necessary details, along with their cash card.

The app offers several features, including balance inquiries, masking functions for balance inquiries outside of the user's home, one-tap money transfers for frequently used recipients, Paggy payments, fixed-term deposit transactions, and debit card usage history inquiries. Additionally, users can search for nearby ATMs.

Overall, みなとdeグループアプリ is an easy-to-use and secure banking app for Minato Bank customers to manage their accounts on the go.