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Katsuya Oba

Developer Portfolio

2 App Records
アクティビストウォッチャー iOS Icon

アクティビストウォッチャー

App Free
  • Version: 1.8.3
  • Size: 66.18 MB
  • Release date: 2026-01-28
  • Min iOS: 16.0
  • Bundle ID: net.obaonline.activistwatcher
View App
Marathon Pace Planner iOS Icon

Marathon Pace Planner

App Free
  • Version: 1.4.8
  • Size: 12.53 MB
  • Release date: 2025-11-16
  • Min iOS: 17.6
  • Bundle ID: net.obaonline.PaceNote
View App
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