🇰🇷Worst Apps in South Korea

The most complained-about apps in South Korea on App Store and Google Play, ranked by total negative reviews (1-3 stars) from real users. Updated monthly.

#	App	Platform	Rating	Negative Reviews
1	DB손해보험DB Insurance Co., Ltd. How to cancel →	iOS	1.5	491
2	코참패스대한상공회의소 How to cancel →	iOS	1.4	485
3	티웨이항공T'way Air Co., Ltd. How to cancel →	iOS	3.3	483
4	컴포즈커피COMPOSECOFFEE How to cancel →	iOS	1.3	480
5	스마트 공지시스템 e알리미(c) E-WUT How to cancel →	iOS	1.4	479
6	투썸하트A TWOSOME PLACE CO., LTD How to cancel →	iOS	1.8	469
7	코레일톡한국철도공사 How to cancel →	iOS	1.7	466
8	키움증권 영웅문S#(NEW)Kiwoom Securities Co., Ltd. How to cancel →	iOS	1.8	459
9	클리커 ClickerLibTech Co. How to cancel →	iOS	1.3	458
10	해피포인트Secta9ine Co.,LTD. How to cancel →	iOS	2.7	457
11	SSGPAY - 혜택 위의 혜택SSG Payments Corp. How to cancel →	iOS	2.1	457
12	티켓링크NHN Link Corporation How to cancel →	iOS	1.8	457
13	티켓베이 - No.1 티켓 거래 플랫폼TIMPLUS.CO.Ltd How to cancel →	iOS	2.3	455
14	T world - SKT 데이터/요금 확인, 맞춤 혜택SK Telecom How to cancel →	iOS	4.1	455
15	건강보험25시국민건강보험공단 How to cancel →	iOS	2.1	450
16	KFC KoreaKFC KOREA Co., Ltd How to cancel →	iOS	1.7	450
17	StardustTV - 숏폼&영화StardustTV How to cancel →	Android	4.6	450
18	배민커넥트 - 배달할 땐 누구나Woowa Bros Co., Ltd. How to cancel →	iOS	2.0	449
19	이마트24emart24 How to cancel →	iOS	4.0	449
20	SBS playSBS I&M Co., Ltd. How to cancel →	iOS	2.4	443
21	CGVCJ CGV Co.ltd How to cancel →	iOS	1.2	441
22	아이사랑 모바일보건복지부 How to cancel →	iOS	1.4	439
23	고속버스 티머니Tmoney Co., Ltd How to cancel →	iOS	1.6	435
24	안전신문고(구 스마트국민제보, 생활불편신고)행정안전부 How to cancel →	iOS	1.3	433
25	전국 도서관 전자책 : 리브로피아(주)이씨오 How to cancel →	iOS	1.5	431
26	ArtPic: 사진 영상 편집기AdoreApps Media How to cancel →	Android	3.4	431
27	Steam MobileValve How to cancel →	iOS	1.7	430
28	SRT - 수서고속철도(주)에스알 How to cancel →	iOS	1.4	430
29	카카오 T - 택시, 세차, 주차, 바이크, 항공, 퀵Kakao Mobility Corp. How to cancel →	iOS	4.7	428
30	K-패스교통안전공단 How to cancel →	iOS	1.5	426
31	치지직NAVER Corp. How to cancel →	iOS	1.8	424
32	대한민국 모바일 신분증행정안전부 How to cancel →	iOS	2.6	422
33	하나머니(트래블로그)Hana Card Co., Ltd. How to cancel →	iOS	4.7	422
34	NH올원뱅크(농협은행 대표 플랫폼)NH농협은행 How to cancel →	iOS	3.0	422
35	빗썸Bithumb Co., Ltd. How to cancel →	iOS	2.1	420
36	Nike SNKRS – 나이키 스니커즈 및 스트리트웨어Nike, Inc. How to cancel →	Android	4.0	417
37	롯데시네마LOTTE Cultureworks How to cancel →	iOS	2.7	417
38	TVINGTving Co.,Ltd How to cancel →	iOS	2.5	415
39	Cleaner Kit - 사진, 휴대폰 정리, 청소BPMobile How to cancel →	iOS	4.2	413
40	실시간 음성 번역기 앱: AI 번역BPMobile How to cancel →	iOS	0.0	413
41	네이버 - NAVERNAVER Corp. How to cancel →	iOS	2.5	412
42	모바일 건강보험증국민건강보험공단 How to cancel →	iOS	0.0	412
43	퍼플 : 플레이, 채팅, 라이브를 한 곳에서NCSOFT How to cancel →	iOS	2.2	410
44	카카오 T - 택시, 세차, 주차, 바이크, 항공, 퀵Kakao Mobility Corp. How to cancel →	Android	2.2	410
45	쿠팡 셔틀Kumho Express CO.,Ltd How to cancel →	iOS	1.3	410
46	CJ ONECJ OliveNetworks Co., Ltd. How to cancel →	iOS	4.5	409
47	블라인드 BlindTeamblind inc How to cancel →	iOS	0.0	409
48	로블록스 (Roblox)Roblox Corporation How to cancel →	Android	4.2	408
49	ICN SMARTPASS (인천공항 스마트패스)인천국제공항공사 How to cancel →	iOS	1.8	406
50	FIFA World Cup 2026™FIFA How to cancel →	Android	2.1	405

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Why Country-Specific Complaint Data Matters

The same app can be widely loved in one country and widely hated in another. Local payment failures, missing language support, server outages in specific regions, and geo-restricted features all surface in country-specific 1-star reviews. Looking only at global ratings hides these market-level problems.

This page ranks apps in South Korea by their total number of negative reviews (1-3 stars). Whether you're researching competitors before launching in South Korea, benchmarking your own app against local complaints, or just curious which apps users in South Korea complain about most: this data shows you what is actually happening on the ground.

See best apps in South Korea →|All Worst Apps →|Full Leaderboard →|Compare Apps →

🇰🇷Worst Apps in South Korea

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Why Country-Specific Complaint Data Matters