WhatsApp Business is a version of the WhatsApp messaging app that is specifically designed for small businesses. It allows businesses to communicate with their customers in a convenient and personalized way, using features such as automated messages, quick replies, and labeling. WhatsApp Business is available on Android and iOS devices, and can be used on a smartphone or tablet. It is a free app, and can be downloaded from the App Store or Google Play Store. In order to use WhatsApp Business, businesses will need to create a WhatsApp Business account and verify their phone number. Once set up, businesses can use WhatsApp Business to communicate with their customers in a number of ways, such as answering customer inquiries, sending updates and promotions, and handling orders and transactions.