# 제이브릭 vs blackN

The clearest difference is update cadence: blackN at every 6 months against 제이브릭's every 21 months. 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.

제이브릭 ships an update every 21 months, blackN every 6 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 제이브릭 | blackN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 months** |
| Size | 20 MB | 71 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [theeuncommpany](https://appshunter.io/developer/1561098584) | [seongmin kim](https://appshunter.io/developer/1576474375) |

## What reviewers say

### 제이브릭

[App page](https://appshunter.io/ios/app/id1561098582)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### blackN

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 제이브릭 free?

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

### Is blackN free?

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

### Do 제이브릭 or blackN have ads?

Neither 제이브릭 nor blackN shows ads.

### Which is updated more often, 제이브릭 or blackN?

제이브릭 ships an update every 21 months, and blackN every 6 months. Most recently, 제이브릭 was updated on October 21, 2026 and blackN on October 27, 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.*