税込単価比較 is a free utility and tools application developed by Sugar Soy Sauce for the Android platform. This app allows users to compare the unit prices of various products, including the tax-inclusive prices. It aims to help users determine which product offers a better deal based on the price per unit.

With 税込単価比較, users can easily input the "display price," "product quantity," and "discount" for each item. The app then calculates the unit price per quantity and marks the more cost-effective option as a good deal. Users can also switch between tax-inclusive and tax-exclusive modes, as well as compare the prices with different tax rates.

This application is designed to be simple and user-friendly, making it convenient to use while shopping. It also supports the new tax rates and reduced tax rates implemented in Japan. Whether users want to compare ketchup prices or any other products, 税込単価比較 provides a practical solution for making informed purchasing decisions.