# BLACKUP 블랙업 vs SEOULBASED (서울베이스드)

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.

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

BLACKUP 블랙업 ships an update every 2 months, SEOULBASED (서울베이스드) every 6 months. The most recent releases landed on October 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BLACKUP 블랙업 | SEOULBASED (서울베이스드) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/blackup/id1342518152/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 33.8% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 72 MB | 19 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [BLACKUP](https://appshunter.io/developer/1342518151) | [dabin shin](https://appshunter.io/developer/1788250765) |

## What reviewers say

### BLACKUP 블랙업

[App page](https://appshunter.io/ios/app/blackup/id1342518152)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😍 Beautiful clothing
- 👍 Easy to use interface (for some)
- 🇰🇷 Korean language support
- ✅ Quick customer service response

**What reviewers complain about**

- 🐌 Extremely slow loading times
- 🐢 Significant lag and unresponsiveness
- ❌ Frequent crashes and errors
- 🗑️ Wishlist and cart items disappearing
- 🚫 Login issues and frequent logouts

**Reported bugs**

- App opens to a white screen
- Cannot open the home screen after update
- Login fails repeatedly
- Cannot access shopping cart
- Wishlist items disappear

**Requested features**

- 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


### SEOULBASED (서울베이스드)

[App page](https://appshunter.io/ios/app/seoulbased/id6740068872)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 16, 2026 and SEOULBASED (서울베이스드) on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*