CaltexGO is a mobile app that offers a hassle-free way to pay for fuel in seconds at Caltex service stations in Singapore. The app allows users to conveniently pay for fuel from the comfort of their vehicles without having to queue. Additionally, the app provides exclusive offers and loyalty points for mobile app users. Users can also link their NTUC PLUS! card to the app to earn points with every fuel purchase. The app is free to download and use.

The app is fast and easy to use. First, users need to register for a free account and set up their mode of payment. Next, they can select the nearby Caltex station and enter the pump number after fueling is completed. The app allows users to confirm and pay for their purchase securely and instantly. Users can also keep track of their payment transaction history anytime, anywhere on the app. It is important to note that mobile phone usage is restricted within an enclosed stationary vehicle with the engine switched off or inside the StarMart convenience store for safety reasons.