YS Сoffee Seller - an application for coffee sellers at Yarkiy&Storm.
This tool will help you arrange a sale and give coffee to your customers.
How does it work? Three easy steps:
1) You install the application for the seller;
2) scan the personal QR code of the visitor who previously installed the client application;
3) receive a report on the sale or a notice on the issuance of a free cup of coffee to the visitor.