The Ditkup app for Apple iPhone is an effective QR code scanner which scans the product coupons in a flash of moment and
-shows the merchant if the coupon is redeemed or not.
-and also it will reveal details such as the date and time of redemption
-also keep website updated so you can go look your redemption tracking online at anytime
-Also, with the app, the merchant would be able to view the history of coupons scanned so far
The merchants can download Ditkup app and install it after which they can start scanning coupons.