Allow your customers explore a product's availability easily with just one click and get in contact with you.Makkpress -Product Validator App is a tool that is developed in order to add and check products’ availability. Customers can easily enter their zip codes and check if a particular product is available at that particular zip code or not.they can contact you through a form that will log all the queries and customers details in your database and you can see those in the back-end of the app.