Proposed stack
React Native + Expo (EAS Build & Submit)TypeScriptSupabase in the EU (Frankfurt): Postgres + PostGIS, Auth, Realtime, Storage
Sign in with Apple / Google / emailExpo Notifications (APNs + FCM)Google Maps + PlacesSentry crash reportingi18next (EN → SQ)React admin panel
Why: managed services that scale to thousands of parents without a server team, data kept in the EU for GDPR, row-level security so parents, guardians, centers and admins only see what they should, and plain Postgres underneath so nothing is locked in.