Comparison

blackN vs 서현이네

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

blackN

Features

Read full description

Get exclusive special offers on the mobile app! Use the mobile app to enjoy features optimized for mobile devices and access exclusive special offers. Main features: Enjoy exclusive coupons and discounts Use automatic login Check and track your orders Manage your shopping cart and shipping info Receive store notifications Access social media channels Contact Customer Service

About

서현이네

Features

Read full description

우리 아이들에게 믿고 먹을 수 있는 맛있고 건강한 먹거리! 우리 아이들이 먹는 음식이기에 더욱 건강하고, 더욱 맛있고, 더욱 정직하게 만들었음을 약속드립니다. 재구매율 높은 검증된 서현이네 제품들! 모바일 서현이네 앱을 통해 다양한 혜택 받으시고, 편리하게 구매하세요 ! [이용 문의] 믿고 먹을 수 있는 먹거리 상품을 위해 끊임없이 노력하는 "서현이네"가 되겠습니다. 이용 중 불편하신점이나 문의사항은 카카오플러스친구 "서현이네"로 메세지 주시면 도와드리겠습니다. 감사합니다. - 메일 문의 : onyoo0_0@naver.com - 카카오톡 플러스친구 ID : 서현이네 ■ 앱접근 권한 안내 [선택적 접근권한] - 카메라/사진 : 반품및 교환, 구매후기 이미지 첨부 - 전화 : 결제내역 알림 및 주문조회

Screenshots

blackN2 screens

서현이네3 screens

Verdict

The call

The clearest difference is ads: blackN at none against 서현이네's shown. blackN also leads on update cadence (every 6 months vs every 31 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

blackN ships an update every 6 months, 서현이네 every 31 months. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level

blackN versus 서현이네: the parameters behind the verdict, then further details
Parameter	blackN	서현이네
Price	Free	Free
Update frequency	Every 6 months — better	Every 31 months
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	14.0	13.0 — better
Further details — not scored
Size	71 MB	24 MB
Age rating	4+	4+
Developer	seongmin kim	WEEDSOFT Co., Ltd.

In-app purchases

None

blackN

No in-app purchases

None

서현이네

No in-app purchases

Questions

Is blackN free?

blackN is free to download, with no in-app purchases.

Is 서현이네 free?

서현이네 is free to download, with no in-app purchases.

Do blackN or 서현이네 have ads?

서현이네 shows ads; blackN does not.

Which is updated more often, blackN or 서현이네?

blackN ships an update every 6 months, and 서현이네 every 31 months. Most recently, blackN was updated on September 8, 2026 and 서현이네 on September 11, 2026.