DPay is a coupon scanning app.
DPay has the vision to make a new payment strategy for everyone. By using DPay, you buy things with the lowest price.
You can scan QR code to purchase cash coupon from merchants(coupon providers) at a discount price.
Then, can also scan a particular QR code representing the merchant to use such cash coupon.
After purchasing or using the coupon, every records and summary will be shown in DPay.