# 전기안전관리 시스템(발주자 전용) vs 올차 ALLCHA

The clearest difference is iOS requirement: 전기안전관리 시스템(발주자 전용) at 12.1 against 올차 ALLCHA's 15.6. 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.

## The numbers

| Metric | 전기안전관리 시스템(발주자 전용) | 올차 ALLCHA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 49 MB | 36 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KEEA](https://appshunter.io/developer/1705667051) | [GEOIZE](https://appshunter.io/developer/1642706430) |

## What reviewers say

### 전기안전관리 시스템(발주자 전용)

[App page](https://appshunter.io/ios/app/id6471786702)

**Features:** macOS Compatibility

**In-app purchases:** none


### 올차 ALLCHA

[App page](https://appshunter.io/ios/app/allcha/id6755216186)

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

**In-app purchases:** none


## Frequently asked questions

### Is 전기안전관리 시스템(발주자 전용) free?

전기안전관리 시스템(발주자 전용) is free to download, with no in-app purchases.

### Is 올차 ALLCHA free?

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

### Do 전기안전관리 시스템(발주자 전용) or 올차 ALLCHA have ads?

Neither 전기안전관리 시스템(발주자 전용) nor 올차 ALLCHA shows ads.

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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.*