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Gastro Genius Challenge

A medical-trivia mobile game for healthcare professionals — specialty categories, head-to-head challenges against named colleagues, and a live leaderboard — backed by an admin panel that manages every question without ever touching the app itself.

CATEGORY Mobile App
PLATFORM iOS + Android (Expo)
BACKEND Next.js + MongoDB

The problem

Quiz and trivia apps live or die by fresh content — and a medical-education app has an even higher bar, since every question needs to be clinically accurate and properly sourced. If adding a new category or question means a developer editing code and shipping an app update, content goes stale fast and errors are slow to fix. On top of that, one-off trivia apps struggle with retention — people play once and don't come back.

What we built

A mobile quiz game (Expo/React Native, iOS and Android) built around real clinical knowledge — categories like Pancreatology, Hepatology, Hepatobiliary Disease, General Practice, and Lower GI, each question sourced and, where shown, backed by an "Evidence" reference. Behind it, an admin panel lets non-technical staff manage categories, topics, reference material, and individual questions directly — new or corrected content goes live instantly, no app release required.

To solve for retention, the app layers in real gamification: a points-and-hearts system, a head-to-head "Challenge" mode where users compete directly against named colleagues with visible ranks (Specialist Doctor, Head of Department, and others), and weekly plus all-time leaderboards that keep the loop going well past the first session.

Tech stack

Next.js MongoDB Expo React Native
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