Comparison

BLACKUP 블랙업 vs SEOULBASED (서울베이스드)

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

Head to head

BLACKUP 블랙업

Free

🛍️ Shopping

★ 4.315 ratingsView app →

About

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.

Highlights

Exclusive coupons and discounts
Automatic login
Order tracking
Shopping cart management
Store notifications
Social media access

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

SEOULBASED (서울베이스드)

Discover and shop for unique women's apparel and unisex fashion items. This app offers a curated selection of self-produced clothing, allowing users to browse and purchase directly. Stay updated on new arrivals and special events through notifications.

Highlights

Women's apparel
Unisex fashion
Self-produced items
Push notifications
Photo/camera access for posts
Microphone access for video recording

Features

Read full description

seoulbased 서울베이스드 모바일앱 - 여성의류, 자체제작, 유니섹스 ※앱 접근 권한에 대한 안내 「정보통신망 이용촉진 및 정보보호 등에 관한 법률」제22조의2에 따라 아래와 같은 목적으로 ‘앱 접근 권한’에 대한 동의를 이용자에게 받고 있습니다. 서비스에 반드시 필요한 항목만을 필수적으로 접근하고 있습니다. 선택적 접근의 항목은 허용하지 않더라도 서비스의 이용이 가능하며 그 내용은 아래와 같습니다. [필수적 접근 권한] ■ 해당 사항 없음 [선택적 접근 권한] ■ 알림 - 서비스 변경 내용, 이벤트 등 알림 메세지 수신을 위해 필요한 권한입니다. ■ 사진 / 카메라 - 게시글 작성 시 사진촬영 및 사진첨부를 위해 해당 기능 접근이 필요합니다. ■ 마이크 - 앱에서 영상 촬영 시 소리 저장을 위해 필요한 권한입니다.

Screenshots

BLACKUP 블랙업4 screens

SEOULBASED (서울베이스드)3 screens

Verdict

The call

The clearest difference is update cadence: BLACKUP 블랙업 at every 2 months against SEOULBASED (서울베이스드)'s every 6 months. SEOULBASED (서울베이스드)'s advantage is review sentiment (50% vs 34%) and monetization model (free vs ad-supported). On price, ads, in-app purchases and device support 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

BLACKUP 블랙업 ships an update every 2 months, SEOULBASED (서울베이스드) every 6 months. The most recent releases landed on October 12, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level

BLACKUP 블랙업 versus SEOULBASED (서울베이스드): the parameters behind the verdict, then further details
Parameter	BLACKUP 블랙업	SEOULBASED (서울베이스드)
Price	Free	Free
Rating	4.3 (15 ratings) — better	—
Positive reviews	33.8% of reviews	50.0% of reviews — better
Number of ratings	15 — better	—
Update frequency	Every 2 months — better	Every 6 months
Ads	No	No
In-app purchases	No	No
Monetization	Ad-supported	Free — better
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0	13.0 — better
Further details — not scored
Size	72 MB	19 MB
Age rating	4+	12+
Developer	BLACKUP	dabin shin

Customer experience

BLACKUP 블랙업

All ratings15 ratings

Positive80.0%

Neutral13.3%

Negative6.7%

Written reviews68 reviews

Positive33.8%

Neutral19.1%

Negative47.1%

SEOULBASED (서울베이스드)

Written reviews2 reviews

Positive50.0%

Neutral0.0%

Negative50.0%

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 more

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 more

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

SEOULBASED (서울베이스드)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BLACKUP 블랙업

No in-app purchases

None

SEOULBASED (서울베이스드)

No in-app purchases

Questions

Is BLACKUP 블랙업 free?

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

Is SEOULBASED (서울베이스드) free?

SEOULBASED (서울베이스드) is free to download, with no in-app purchases.

Do BLACKUP 블랙업 or SEOULBASED (서울베이스드) have ads?

Neither BLACKUP 블랙업 nor SEOULBASED (서울베이스드) shows ads.

Which is updated more often, BLACKUP 블랙업 or SEOULBASED (서울베이스드)?

BLACKUP 블랙업 ships an update every 2 months, and SEOULBASED (서울베이스드) every 6 months. Most recently, BLACKUP 블랙업 was updated on October 12, 2026 and SEOULBASED (서울베이스드) on September 21, 2026.