# BLACKUP 블랙업 vs soldout(솔드아웃)

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.

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.

## The numbers

| Metric | BLACKUP 블랙업 | soldout(솔드아웃) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (15 ratings)](https://appshunter.io/ios/app/blackup/id1342518152/reviews) | **[4.5 (176 ratings)](https://appshunter.io/ios/app/soldout/id1515428637/reviews)** |
| Number of ratings | 15 | **176** |
| Positive reviews | 33.8% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 72 MB | 83 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BLACKUP](https://appshunter.io/developer/1342518151) | [SLDT Co.,Ltd](https://appshunter.io/developer/1513284505) |

## 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


### soldout(솔드아웃)

[App page](https://appshunter.io/ios/app/soldout/id1515428637)

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.

**Highlights:** 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

**Features:** 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 soldout(솔드아웃) free?

soldout(솔드아웃) is free to download, with no in-app purchases.

### Which has better reviews, BLACKUP 블랙업 or soldout(솔드아웃)?

soldout(솔드아웃) is rated higher. BLACKUP 블랙업 averages 4.3 out of 5 from 15 ratings, while soldout(솔드아웃) averages 4.5 from 176 ratings.

### Do BLACKUP 블랙업 or soldout(솔드아웃) have ads?

Neither BLACKUP 블랙업 nor soldout(솔드아웃) shows ads.

### Which is updated more often, BLACKUP 블랙업 or soldout(솔드아웃)?

BLACKUP 블랙업 ships an update every 2 months, and soldout(솔드아웃) every 11 days. Most recently, BLACKUP 블랙업 was updated on October 25, 2026 and soldout(솔드아웃) on October 29, 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.*