KST+ is a loyalty application for customers of the KST Trade gas station network. Using our mobile application, you can refuel and also buy store goods through the Mobile Application without leaving your car. It's convenient, fast, easy, and of course, without queues at the checkout. You can also track the history of all your purchases and refills through the application. In addition, we will provide you, our valued and loyal customers, with discounts, gifts and preferential fuel prices.