Gas Mileage Calculator and Log is a utility app designed for iPhone users. Developed by Michael Chu, this free app aims to help everyday drivers easily record their fuel efficiency. With this app, users can input their trip distance and the fuel they last pumped to calculate and track their MPG (miles per gallon).

One of the main features of Gas Mileage Calculator and Log is its simple and intuitive user interface. This makes it easy for users to quickly input their data and track their gas mileage. Additionally, the app allows users to track and sort different groups, making it convenient for those who have multiple vehicles or want to compare different driving methods.

Another useful feature of Gas Mileage Calculator and Log is the ability to record data via the odometer or trip meter. This flexibility allows users to choose the method that works best for them. Furthermore, the app offers the option to export data to HTML or CSV format, enabling users to analyze their gas mileage data in other programs.

It's worth noting that all data is stored locally in the app, meaning an internet connection is only required when exporting files. This ensures the privacy and security of user information.

Overall, Gas Mileage Calculator and Log is a handy tool for anyone looking to optimize their gas mileage. With its user-friendly interface and useful features, this app makes it easy to track and improve fuel efficiency.