The Feedback feature is free when creating your own app in AlphaApp platform. Clients that send feedback are valuable for your business. Even those that have negative things to say; the very fact that someone takes time to type it out is a sign they want to communicate.
If you manage well your side's communication you will gain valuable insight and potentially a free advertiser for your business.
Create a custom feedback form and share it with your customers in real time. AlphaApp platform makes it possible for your customer to have a voice!