18XXc is a free 18XX calculator designed to enhance the gameplay experience of various 18XX board games on iPhone. The app offers built-in support for a wide range of games, including 1817, 1830, and 1889, among others. It provides calculators for fund raising, route planning, and result tracking, catering to different in-game needs. Additionally, users can utilize the game editor feature to customize settings for unsupported games, ensuring a tailored experience.

With a focus on utility and tools, 18XXc simplifies complex calculations and enhances strategic decision-making during gameplay. From managing company finances to analyzing route options, the app streamlines essential processes for players, offering a comprehensive solution for enthusiasts of 18XX board games.