Rockgas LPG is a free iPhone app developed by Contact Energy Limited under the Utilities & Tools category. The app is designed to make ordering a refill for your Rockgas 45kg gas bottles quick and easy. To get started, users need to enter their account details and add an address. Once the account is set up, users can order bottles by using a slider to indicate the number of bottles they need. The app will then deliver the bottles on the next available delivery day in the user's area.

The Rockgas LPG app is straightforward and easy to use. The account setup process is quick and efficient, and the slider feature for ordering bottles is intuitive. Additionally, the app provides users with the convenience of ordering gas bottles from their mobile devices, eliminating the need to call or visit a store. Overall, the Rockgas LPG app is a useful and practical tool for Rockgas customers who want to order gas bottles on the go.