HOW MUCH is a free iPhone app developed by Natsuki Nishiyama in the Business & Productivity category. It is a tool specifically designed for Amazon sellers, allowing them to scan barcodes and check product prices on Amazon and other websites. With the integration of Keepa, users can also track the price history of products on Amazon.

This app caters to the needs of Amazon sellers by providing a simplified and accessible tool. It eliminates the hassle of individually searching for each product by offering features like price trends and comparisons with major websites.

Whether you're in a store and want to quickly check the price and price history of a product, or you're hesitant to make an immediate purchase and want to save it for later, HOW MUCH can be a useful companion. It allows users to save products along with short notes, making it convenient for future reference.