StockOut is a free Android application developed by StockOut.in that provides an online b2b marketplace platform for sellers and bulk buyers. The platform allows all types of sellers such as manufacturers, wholesalers, and retailers to register themselves and list the products they wish to sell in bulk or wholesale. Users can check and order/buy the products listed by sellers or suppliers.

The user-friendly interface of the app makes it easy for both sellers and buyers to navigate through the app. The app is designed to cater to the needs of bulk buyers who are looking for a quick and easy way to purchase products in large quantities. The app also offers a wide range of products from different categories, making it a one-stop-shop for all your bulk buying needs.