レジ前電卓NEXT is a lifestyle app developed by Ryo Nagai. Designed specifically for shoppers, this free iPhone app provides a fast and convenient way to calculate your shopping expenses. With its unique list-style calculator and lightning-fast response time, this app ensures that you can quickly and accurately calculate your totals without the need for the "=" key.

One of the standout features of レジ前電卓NEXT is the ability to customize the app to suit your mood. With 18 different themes to choose from, as well as the option to customize wallpapers and colors, you can create a calculator that is personalized just for you.

In addition to its customization options, レジ前電卓NEXT also offers budget settings, allowing you to track your spending and avoid overspending. This feature makes it a great tool for managing your finances and keeping your expenses in check.

With its top-notch responsiveness, レジ前電卓NEXT stands out among other calculator apps. From the moment you touch a button, the app instantly starts calculating and displays the results in no time.

Whether you're dealing with the new reduced tax rates or different calculation methods used by different stores, レジ前電卓NEXT has got you covered. It supports calculations for both 10% and 8% consumption tax rates, as well as the option to switch between general and "セブン方式" calculation methods.

For added convenience, レジ前電卓NEXT features an auto-save function, ensuring that you can pick up where you left off even if you accidentally close the app.

Lastly, the app allows you to adjust the position of the keypad to the left or right, making it easier to reach the buttons on larger smartphones.

Overall, レジ前電卓NEXT is a must-have app for shoppers who want a fast and customizable calculator that helps them manage their expenses effectively.