CombusFREE is a free Android app developed by Kampal - Gonzalo Ruiz. It falls under the category of Travel & Navigation and allows users to quickly and easily find the nearest gas stations, classified by colors according to their daily updated price. The app is very simple and intuitive, displaying all the necessary information for each gas station at a glance.

Users can see the price of the chosen fuel, the company that manages it, the address, opening hours, distance from the current position, and navigation directions with just one button. CombusFREE offers a choice of 8 different types of fuel (Unleaded 95, Unleaded 97, Unleaded 98, Diesel A, Diesel A+, Diesel B, Diesel C, and Biodiesel) and different distance ranges to search.

It is important to note that an internet connection is required to use this app, and for optimal performance, GPS is recommended. The app is only valid for use in Spanish territory.

Overall, CombusFREE is a useful and practical app for anyone who needs to find gas stations quickly and efficiently in Spain.