Gloomhaven Fight Companion is a support app designed for the popular board game Gloomhaven. This app allows players to have all their characters accessible on their iPhone or iPad for quick and easy game setup. The app supports characters from Gloomhaven, Forgotten Circle, Jaws of the Lion, Frosthaven, and Crimson Scales, offering new possibilities for team configurations.

The app consists of two main modules - Character and Combat. In the Character module, players can customize their characters by choosing ability cards, equipment, and perks. The Combat module allows users to simulate combat scenarios, managing ability cards, character conditions, attack modifiers, and equipment during battles.