IUDEX-HMB is a lifestyle application developed by HMBIA for Android users. It is a complete guide to Historical Medieval Battle (HMB) that contains updated rules and regulations for all HMB nominations. The app also offers training lessons that help users to understand the complexities of HMB rules.

HMB is a competitive discipline in which fighters use medieval armor and weapons to confront each other in duel and group battles. The sport is widely practiced worldwide, with the Battle of the Nations being the largest competition that gathers national teams from more than 30 countries. The IUDEX-HMB app has three main sections:

The Reference section contains all the current requirements, rules, and regulations of HMBIA. The Learning section offers video lessons that explain the most challenging aspects of the rules and regulations. Lastly, the Control section provides samples of control questions included in the Marshal HMBIA test.

IUDEX-HMB is a must-have app for those who want to become a marshal of HMBIA, marshals who need a handy guide to up-to-date rules and regulations, fighters who want to understand the competition rules better, and anyone who wants to better understand the subtleties of HMB competitions.