Birriapp
Coordinate matches. Collect instantly.
Sports match coordination app with real-time payment management, push notifications, QR check-in, and integrated maps.

The marketing site is live at birriapp.com. The app is coming soon — join the waitlist for early access.
The problem
Organizing amateur matches means chasing payments, confirming attendance, and coordinating venues. All over WhatsApp. Birriapp centralizes everything in one platform.
Key features
Tech stack
Architecture
Next.js web + React Native mobile → Supabase (PostgreSQL + RLS + Auth + Realtime) → Firebase (push notifications) + Google Maps
Learnings
Implementing Row Level Security in Supabase from the start saves weeks of work. PostgreSQL triggers for payment status sync eliminate race conditions that would be complex to handle on the frontend.