DINOPAY is a full version iPhone app developed by P97 Networks Inc. It falls under the category of Travel & Navigation and is the official app of Sinclair Oil. The app allows you to locate Sinclair gas stations and truck stops, and also identifies stations with additional amenities like car washes or air/water dispensers.

The app comes with a unique feature that enables users to buy gas and make in-store purchases using their mobile devices, which is only available at specially-equipped Sinclair locations. DINOPAY is an efficient tool for people who travel frequently and need to locate gas stations quickly and easily. The app is user-friendly and easy to navigate, and it provides accurate and up-to-date information about Sinclair gas stations.