# blackN vs 서현이네

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.

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

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.

## The numbers

| Metric | blackN | 서현이네 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 31 months |
| Size | 71 MB | 24 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [seongmin kim](https://appshunter.io/developer/1576474375) | [WEEDSOFT Co., Ltd.](https://appshunter.io/developer/1442191587) |

## What reviewers say

### blackN

[App page](https://appshunter.io/ios/app/blackn/id1576474373)

**Features:** Vision Pro support

**In-app purchases:** none


### 서현이네

[App page](https://appshunter.io/ios/app/id6443912906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

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