A coupon code is a unique code that may be used in order to get a free download of a certain application from the iTunes store. It seems to be something along the lines of wjh3kw3a9efr. This means that developers are given a certain amount of promo codes for each app that they publish. They provide these tickets to consumers, bloggers, and reporters who are involved in the process of evaluating or testing their goods. Because codes become invalid after a period of four weeks from the moment they are requested by the developer, it is essential to make use of them as soon as possible. Additionally, each promotional code is one of a kind and may only be used once. Where can I get a promo code to use? As part of their attempts to sell their apps, a number of our parents who are developers of smartphone applications have been providing discount codes to our Facebook friends. Those who are interested in trying out a certain app should follow the creator of that app on social media platforms like Facebook and Twitter. This will ensure that you are aware of any free app offers and coupon code giveaways that may occur. Alternatively, you might try writing a developer directly in order to obtain a code. It is included in the description of the iTunes app that their contact information is included.