# MobileKCS vs 동선 사장님

The clearest difference is update cadence: 동선 사장님 at every 3 weeks against MobileKCS's every 12 months. MobileKCS's advantage is iOS requirement (12.0 vs 15.1). 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.

MobileKCS ships an update every 12 months, 동선 사장님 every 3 weeks. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MobileKCS | 동선 사장님 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 45 MB | 60 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KOREA CREDIT-CARD ELECTRONIC-SETTLEMENT SERVICE Co., Ltd.](https://appshunter.io/developer/985526518) | [Dongsun Company Inc.](https://appshunter.io/developer/1794939327) |

## What reviewers say

### MobileKCS

[App page](https://appshunter.io/ios/app/mobilekcs/id1567138695)

**Features:** macOS Compatibility

**In-app purchases:** none


### 동선 사장님

[App page](https://appshunter.io/ios/app/id6793379240)

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

**In-app purchases:** none


## Frequently asked questions

### Is MobileKCS free?

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

### Is 동선 사장님 free?

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

### Do MobileKCS or 동선 사장님 have ads?

Neither MobileKCS nor 동선 사장님 shows ads.

### Which is updated more often, MobileKCS or 동선 사장님?

MobileKCS ships an update every 12 months, and 동선 사장님 every 3 weeks. Most recently, MobileKCS was updated on October 27, 2026 and 동선 사장님 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.*