Ultras app cover image

ULTRAS

FAN FAVORITE AWARD
React Native·Expo·JavaScript·Mobile
2025
Hackathon Chiliz 2025 - Paris
Ultras app presentation mockup

The Challenge

Built during the Chiliz Hackathon 2025 in Paris, Ultras is a gamified sports betting app for fans. Our team designed and developed a complete mobile experience in just 48 hours, featuring real-time odds, social betting pools, and fan engagement mechanics.

Ultras app mockup showing the main interface

The Solution

The app earned the Fan Favorite Award, voted by fellow participants. We combined React Native with Expo for rapid prototyping, creating an intuitive UI that resonated with the hackathon audience and judges alike.