- Version: 1.7
- Size: 68.83 MB
- Release date: 2026-09-17
- Min iOS: 17.6
- Bundle ID: com.kayin.zukan
- Version: 1.0
- Size: 27.48 MB
- Release date: 2026-03-26
- Min iOS: 12.0
- Bundle ID: com.kayin.katakana
- Version: 1.0
- Size: 26.76 MB
- Release date: 2025-06-30
- Min iOS: 12.0
- Bundle ID: com.kayin.hiragana