Building an app for customer relations, something along the lines of a loyalty program

Hello, I am in the finishing stages of building my app which is supposed to help you keep your current customers and encourage them to visit your store again. I am looking for people who would be willing to try it out and see how (un)usuable the app is and give me any thoughts that they might have. In return, I am offering a few months of free membership when I eventually do go live. Feel free to PM me! Thanks!