The "Instore: Companion" app is a user-friendly tool that enhances customer shopping experiences by providing real-time insights into product availability at physical store locations. Designed to alleviate customer frustrations, the app allows users to check whether their desired products are in stock and in what quantities (none, some, plenty). With its seamless integration via a subtle API, the app discretely updates product pages with inventory information. Additionally, it features a digital map-based platform to help customers navigate to the chosen store, making shopping trips more efficient and enjoyable. By bridging the gap between online browsing and in-store shopping, "Instore: Companion" supports the growth of brick-and-mortar businesses. This app's focus on simplicity and efficiency ensures that customers have a streamlined shopping journey while aiding store operations.