Wikibuy is a U.S.-based company that provides a web-based application with a Chrome extension. It compares prices and attractive deals offered by other retailers, tracks preferred shopping sites, confirms product availability, and tests coupon codes. The extension offers users the lowest-priced product along with delivery details and coupon codes, allowing them to select the offer and pay on the merchant's website through the platform. Wikibuy aims to make shopping tasks happen automatically, saving time and money for customers.