JeongHean Kim

How this developer operates

• Carrier title 일본어 JLPT, 일단공부 holds 30% of the developer's installs
• Hit rate 9% of launches reach 100k installs (2 of 23 at least 30 days old)
• Release rhythm a new app every ~28 days on average
• Maintenance 21 of 23 apps updated in the last 90 days · last update 2 days ago · updates every ~9 days

Listings that changed hands

App	Direction	Counterparty	When
世界史年号一問一答 - 高校受験 大学受験 共通テスト対策	← likely acquired	Hajime App Lab	Oct 5, 2026

All apps

App	Style	Rating	Installs	Released
일본어 JLPT, 일단공부	Education	★ 4.7	100,000+	Mar 15, 2019
토익 단어, Toeic 단어장	Education	★ 4.9	100,000+	Nov 27, 2019
Korean vocabulary, TOPIK words	Education	★ 4.5	50,000+	Dec 6, 2019
중고등 영어 단어	Education	★ 4.6	50,000+	Nov 28, 2019
중국어 HSK 단어	Education	★ 4.9	10,000+	Nov 30, 2019
JLPT Japanese vocabulary	Education	★ 4.5	10,000+	Dec 12, 2019
韓国語勉強、TOPIK単語1/2	Education	—	10,000+	Apr 4, 2019
Chinese vocabulary, HSK words	Education	★ 4.8	10,000+	Dec 10, 2019
韓国語勉強、TOPIK単語3/4	Education	—	5,000+	Apr 4, 2019
스페인어 단어장	Education	—	5,000+	Sep 13, 2020
韓国語勉強、TOPIK単語5/6	Education	—	5,000+	Apr 5, 2019
프랑스어 단어장	Education	—	1,000+	Sep 15, 2020
러시아어 단어장	Education	—	1,000+	Sep 11, 2020
독일어 단어장	Education	—	1,000+	Sep 10, 2020
인도네시아어 단어장	Education	—	1,000+	Sep 21, 2020
韓国語単語勉強、カンタン勉強	Education	—	1,000+	Mar 30, 2019
palabras coreanas	Education	—	1,000+	Sep 14, 2020
blaboo - learning vocabulary	Education	—	1,000+	Jan 13, 2019
英語単語、TOEIC単語帳	Education	—	500+	Dec 5, 2019
아랍어 단어장	Education	—	500+	Sep 22, 2020
coréens mots	Education	—	100+	Sep 15, 2020
Clog(씨로그) - 개발자를 위한 출퇴근 뉴스레터	News & Magazines	—	100+	Jun 16, 2020
英語単語、センター試験英語単語	Education	—	100+	Dec 2, 2019