Jelle van Koppe

Developer Portfolio

2 App Records
Border Quest Country iOS Icon

Border Quest Country

App Free
  • Version: 1.2.0
  • Size: 38.69 MB
  • Release date: 2026-07-09
  • Min iOS: 15.0
  • Bundle ID: com.JellevanKoppen.borderQuest
View App
Flag Guessing iOS Icon

Flag Guessing

App Free
  • Version: 1.5.1
  • Size: 32.5 MB
  • Release date: 2026-01-16
  • Min iOS: 15.0
  • Bundle ID: com.example.vanKoppenFlagGuesser
View App