大POS商户版 is an iPhone app designed to meet the needs of small and micro-merchants for card payment collection and transaction inquiries. With this app, merchants can easily register their businesses, track and manage card transactions, check the status of transaction orders, access personal device information, and view basic merchant information. It provides self-service functions that assist merchants in their daily management tasks.

The app is developed by Shanghai Huifu Payment Co.Ltd. and is available for free. It falls under the Business & Productivity category with a subcategory of Finance.

For customer support, users can contact the developer ator follow their WeChat official account, 汇付天下小微服务.