StafétApp is a free Android app developed by Udemx Kft. It is a lifestyle app that falls under the sports subcategory. The app was designed to help active runners and relay participants organize, plan, and manage their events more efficiently using their mobile devices.

The app comes equipped with a range of features that includes individual and team registration, invitations for runners and supporters, map navigation for easy relay exchange points, and automatic time correction based on completed sections. Additionally, it allows for team scheduling based on each runner's distance and speed, and provides a newsfeed for event updates.

StafétApp is an excellent tool for runners who want to streamline their relay events and stay updated on the latest happenings. It is user-friendly and accessible for runners of all levels.