Personal project, 2026

Sorun

An endurance coach that builds your running, trail, cycling or triathlon plan.

On the App Store

Role: CTO and partner
Platforms: iOS, Android
Stack: React Native, Expo, NestJS, Python, MongoDB, RevenueCat
Year: 2026

The context

SORUN is a coach for endurance sports: running, trail, cycling and triathlon. I joined as a freelance lead mobile developer on the Qöna coaching app, then became CTO and partner of SORUN, which carries on the team and method in a fully redesigned app.

What I did

React Native and Expo app development, with the product team and the coaches
Personalized training plans, from 5K to ultra trail, and fitness tracking
RevenueCat subscriptions: trials, one time purchases, promo codes
Development workflows: environments, releases, Sentry monitoring
App Store and Google Play release and follow-up
Architecture, product priorities and roadmap as CTO

The result

The app is live on iOS and Android, and I keep growing it as CTO and partner.

In pictures

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