# Build Penguin vs 사장님 키우기 (CEO Tycoon)

The clearest difference is ads: 사장님 키우기 (CEO Tycoon) at none against Build Penguin's shown. Build Penguin's advantage is update cadence (every 5 days vs every 9 days). 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.

Build Penguin ships an update every 5 days, 사장님 키우기 (CEO Tycoon) every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Build Penguin | 사장님 키우기 (CEO Tycoon) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 35 MB | 46 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SOUNDGYM](https://appshunter.io/developer/1435863214) | [Cheonghyun You](https://appshunter.io/developer/6796579296) |

## What reviewers say

### Build Penguin

[App page](https://appshunter.io/ios/app/build-penguin/id6795169881)

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

**In-app purchases:** none


### 사장님 키우기 (CEO Tycoon)

[App page](https://appshunter.io/ios/app/ceo-tycoon/id6796579294)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Build Penguin free?

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

### Is 사장님 키우기 (CEO Tycoon) free?

사장님 키우기 (CEO Tycoon) is free to download, with no in-app purchases.

### Do Build Penguin or 사장님 키우기 (CEO Tycoon) have ads?

Build Penguin shows ads; 사장님 키우기 (CEO Tycoon) does not.

### Which is updated more often, Build Penguin or 사장님 키우기 (CEO Tycoon)?

Build Penguin ships an update every 5 days, and 사장님 키우기 (CEO Tycoon) every 9 days. Most recently, Build Penguin was updated on October 31, 2026 and 사장님 키우기 (CEO Tycoon) on October 31, 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.*