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- Release date: 2026-08-30
- Min iOS: 18.6
- Bundle ID: com.jungguenkwon.BookToBook
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- Size: 5.7 MB
- Release date: 2026-05-21
- Min iOS: 18.6
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- Version: 2.1.2
- Size: 5.52 MB
- Release date: 2025-07-30
- Min iOS: 16.6
- Bundle ID: com.jungguen.ExpenseHunter
- Version: 1.0
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- Release date: 2025-04-01
- Min iOS: 17.6
- Bundle ID: com.Jungguen.ReadAloudDaily