A coupon is a single image that is given out to participants so that they can obtain a discount or free gift. More information.
A promotional code is an alphanumerical code that can be introduced into the promotion’s set-up form so that the application can distribute it among participants at the end of the promotion. The code can be different for each user. More information.
Below we show you how the coupon and the promotional code will be displayed to users on the final thank you page: