Bringing a coach’s season together across five product surfaces
GC Handball brings call-ups, sessions, tactical court, planning, messaging, tasks and season tracking into one cross-platform product.
- Contribution
- Co-founding, product and cross-platform development
- Scope
- Web SaaS, iOS, Android, macOS and Windows
- Status
- Online · checked on 30 August 2026
Verified facts · 30 August 2026. Public website, stores, cross-platform repository and Git history checked. Fast-changing usage counters are not frozen here.
01
Verified context
The public website states that GC Handball was started in 2024 by two coaches for their own sessions. Antonin Grillet is presented there as a coach and co-founder.
02
Verified scope
The verified scope covers the web SaaS, iOS and Android apps, the macOS and Windows desktop app, plus player and family responses.
03
What was built
The product surfaces share the same domain objects: teams, players, events, call-ups, sessions, tactics and match tracking.
Organise the week
Planning, call-ups, responses, reminders and attendance are connected to the team and its events.
Prepare on the court
Drills, sessions and tactics use a 40 × 20 handball court as a shared canvas.
Adapt each surface
Web and desktop carry deeper tools; mobile and public links cover quick actions.
04
One product across web, mobile and desktop
5 surfaces
web, iOS, Android, macOS and Windows
40 × 20
preparation court
No account
for family responses through a link
The public production provides sign-up, free and paid plans, mobile apps and a desktop version connected to the same product.
Visit the live website