Hyeon Jin Ko
iOS developer on the App Store. Scores come from each app's privacy label, as the developer declares it.
- apps
- 5
- average score
- 7.4 B
- average rating
- ★ 4.6
- US ratings
- 159
Apps
-
Hangulio - Learn Hangul
Education
★ 4.7
10.5B
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