# 전기자격증 기출문제 vs 전기기사

The clearest difference is in-app purchases: 전기자격증 기출문제 at none against 전기기사's 1. 전기기사's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 전기기사 sells 1 one-off in-app purchase. 전기자격증 기출문제 asks for nothing beyond the download.

전기자격증 기출문제 ships an update every 5 months, 전기기사 every 4 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 전기자격증 기출문제 | 전기기사 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 103 MB | 296 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Trutory Co., Ltd.](https://appshunter.io/developer/515679860) | [Jongmin Kim](https://appshunter.io/developer/1693759760) |

## What reviewers say

### 전기자격증 기출문제

[App page](https://appshunter.io/ios/app/id6470773473)

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

**In-app purchases:** none


### 전기기사

[App page](https://appshunter.io/ios/app/id6742209289)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $4.99 | one-time |


## Frequently asked questions

### Is 전기자격증 기출문제 free?

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

### Is 전기기사 free?

전기기사 is free to download, with in-app purchases available.

### Do 전기자격증 기출문제 or 전기기사 have ads?

Both 전기자격증 기출문제 and 전기기사 show ads.

### Which is updated more often, 전기자격증 기출문제 or 전기기사?

전기자격증 기출문제 ships an update every 5 months, and 전기기사 every 4 months. Most recently, 전기자격증 기출문제 was updated on September 17, 2026 and 전기기사 on September 9, 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.*