KATSUMI UMABA

Developer Portfolio

4 App Records
KAKU×Math iOS Icon

KAKU×Math

App $1.99
  • Version: 1.0
  • Size: 1.76 MB
  • Release date: 2026-07-24
  • Min iOS: 26.2
  • Bundle ID: jp.umaba.KAKU-Math
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KAKU×English iOS Icon

KAKU×English

App $1.99
  • Version: 1.0
  • Size: 1.8 MB
  • Release date: 2026-07-23
  • Min iOS: 18.6
  • Bundle ID: jp.umaba.KAKU-English
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KAKU×Schedule iOS Icon

KAKU×Schedule

App $1.99
  • Version: 1.0
  • Size: 631.0 KB
  • Release date: 2026-07-09
  • Min iOS: 18.6
  • Bundle ID: jp.umaba.study-schedule
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KAKU×Calc iOS Icon

KAKU×Calc

App $1.99
  • Version: 1.0
  • Size: 1.65 MB
  • Release date: 2026-06-28
  • Min iOS: 18.6
  • Bundle ID: jp.umaba.kakucalc01
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