The Walmart Seller app is designed specifically for existing sellers on the US Marketplace, offering a suite of tools to effectively manage their business from an iPhone. Users can handle orders, including shipping, cancellations, and refunds, all while on the move. The app provides a user-friendly interface to preview items and update prices, ensuring that listings are accurate and appealing before going live.

In addition to order management, the app keeps users connected through push notifications for important updates and communications. The Sales Tracker feature offers real-time insights into sales performance and revenue growth, while the support management tools allow sellers to create and track support cases conveniently. Furthermore, the app facilitates tracking of shipments to Walmart Fulfillment Services, providing valuable inventory insights.