JOSEPH HAJIME KAWABATA

Developer Portfolio

2 App Records
Base Math iOS Icon

Base Math

App Free
  • Version: 1.0
  • Size: 2.54 MB
  • Release date: 2026-08-05
  • Min iOS: 15.0
  • Bundle ID: com.josephkawabata.MentalMathBases
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Tip Math Practice iOS Icon

Tip Math Practice

App Free
  • Version: 1.0
  • Size: 2.33 MB
  • Release date: 2026-07-15
  • Min iOS: 15.0
  • Bundle ID: com.josephkawabata.CalculateTheTip
View App