BLACKUP 블랙업 vs soldout(솔드아웃)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLACKUP 블랙업
Access exclusive discounts and special offers through this mobile application. Enjoy optimized features for on-the-go shopping, including automatic login, order tracking, and cart management. Stay updated with store notifications and connect with social media channels.
- Exclusive coupons and discounts
- Automatic login
- Order tracking
- Shopping cart management
- Store notifications
- Social media access
Read full descriptionHide 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
soldout(솔드아웃)
Discover and trade limited edition sneakers, apparel, and fashion items. Enjoy daily raffles, fast shipping, and a secure authentication process for 100% genuine products. Find exclusive deals and hard-to-find collectibles.
- Trade limited edition sneakers and apparel
- Daily 100 won raffles
- 100% genuine product authentication
- Fast same-day inspection and delivery
- Free storage for first 90 days
- Exclusive deals and lowest prices
- Real-time release information for limited items
Read full descriptionHide full description
세상의 모든 한정판 스니커즈, 의류, 패션잡화부터 테크, 레고, 캠핑, 브랜드 굿즈까지 다양한 상품을 지금 솔드아웃에서 거래해보세요! ■ 솔드아웃 신규회원 5만원 즉시할인 쿠폰팩 제공 ■ 매일 응모하는 100원 래플 ■ 200만 건의 검수를 바탕으로 100% 정품 거래 ■ 당일 검수율 99% 빠른 거래 ■ 오늘 결제하면 내일 도착, 바로배송 [ 오직 솔드아웃에서만 ] • 빠르고 간편한 보관 판매 첫 90일은 창고 이용료가 무료! • 실시간 최저가, 독점특가 '독점특가' 배지를 확인하고 전국 최저가로 구매해보세요. • 구하기 힘든 한정판 상품 매주 발매되는 한정판 상품의 발매 정보를 실시간으로 확인하고 거래할 수 있어요. • 정가이하 인기 상품 인기 브랜드 상품을 최대 90% 할인된 가격에 구매할 수 있어요. • 안전한 중고 거래 가품 걱정 NO! 검수 & 케어 시스템으로 안심하고 거래해요. • 믿을 수 있는 정품 거래 거래가 체결된 모든 상품은 솔드아웃 전문 검수팀이 검수를 진행해요. [ 궁금한 점이 있다면 문의주세요 ] • 앱 > 마이 하단 '실시간 채팅 문의' • support.soldout@musinsa.com [ 솔드아웃 공식 채널 ] • 인스타그램 : https://www.instagram.com/soldout_musinsa • 유튜브 : https://www.youtube.com/soldout_tv [솔드아웃 앱 이용시 필요한 접근 권한 안내] ■ 필수적 접근 권한 없음 ■ 선택적 접근 권한 • 카메라 / 사진: 게시글 첨부 시 사진촬영 및 첨부 • 파일 / 저장 공간: 파일 첨부 [선택적 접근 권한]을 허용하지 않아도 서비스 이용은 가능하나, 해당 접근 권한이 필요한 기능은 허용 전까지 사용하실 수 없습니다.
Screenshots
Verdict
The clearest difference is update cadence: soldout(솔드아웃) at every 11 days against BLACKUP 블랙업's every 2 months. soldout(솔드아웃) also leads on review sentiment (55% vs 34%) and ratings volume (176 vs 15). BLACKUP 블랙업's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (14.0 vs 16.0). On price, rating, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.3 for BLACKUP 블랙업 against 4.5 for soldout(솔드아웃). That said, the two scores are not equally well evidenced: soldout(솔드아웃) has 176 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 34% of BLACKUP 블랙업's written reviews are positive against 55% of soldout(솔드아웃)'s.
BLACKUP 블랙업 ships an update every 2 months, soldout(솔드아웃) every 11 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.
| Parameter | BLACKUP 블랙업 | soldout(솔드아웃) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (15 ratings) | 4.5 (176 ratings) — better |
| Positive reviews | 33.8% of reviews | 54.5% of reviews — better |
| Number of ratings | 15 | 176 — better |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 72 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | BLACKUP | SLDT Co.,Ltd |
Customer experience
BLACKUP 블랙업
soldout(솔드아웃)
Bugs and requests
BLACKUP 블랙업
Reported bugs
23 issues- App opens to a white screen
- Cannot open the home screen after update
- Login fails repeatedly
- Cannot access shopping cart
- Wishlist items disappear
Show 18 moreShow fewer
- Cannot access account section
- Close button not working
- Items take minutes to load
- Cannot add items to cart
- Selected size not reflected in cart
- App crashes when scrolling
- Cannot access wishlist
- Cannot save favorite items
- Repeated login required
- Account deleted after update
- Cannot log in with Apple account
- App closes background music/videos
- Cannot apply coupons
- Cannot see product images
- Cannot set username
- App redirects to web version
- Login errors after update
- Wishlist button not working
Requested features
11 requests- Improve app speed and reduce lag
- Fix issues with wishlist and cart items disappearing
- Stabilize login and maintain login status
- Ensure consistent language settings
- Improve image loading performance
Show 6 moreShow fewer
- Enable slide over functionality on iPad
- Add sorting options for reviews (e.g., by popularity, recency)
- Make the app more user-friendly and intuitive
- Improve the process for refunds and exchanges
- Fix the address input pop-up issue
- Make the app feel distinct from the mobile web version
soldout(솔드아웃)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BLACKUP 블랙업
No in-app purchases
soldout(솔드아웃)
No in-app purchases
