# 건설안전기사 vs 건안기

The clearest difference is update cadence: 건안기 at every 5 weeks against 건설안전기사's every 3 months. 건설안전기사'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.

건설안전기사 ships an update every 3 months, 건안기 every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 건설안전기사 | 건안기 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 72 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jongmin Kim](https://appshunter.io/developer/1693759760) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 건설안전기사

[App page](https://appshunter.io/ios/app/id6740552255)

Prepare for the Construction Safety Engineer certification exam with this comprehensive app. It offers past exam papers, detailed explanations, and a personalized review system for incorrect answers. Study anytime, anywhere, even offline, to achieve your certification goals.

**Highlights:** Latest 10 sets of past exam questions, Yearly and subject-specific question practice, Detailed explanations for all questions, Automatic saving of incorrect answers, Favorite questions for review, Offline functionality, Voice playback of questions

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

**In-app purchases:** none


### 건안기

[App page](https://appshunter.io/ios/app/id6791422809)

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

**In-app purchases:** none


## Frequently asked questions

### Is 건설안전기사 free?

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

### Is 건안기 free?

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

### Do 건설안전기사 or 건안기 have ads?

Both 건설안전기사 and 건안기 show ads.

### Which is updated more often, 건설안전기사 or 건안기?

건설안전기사 ships an update every 3 months, and 건안기 every 5 weeks. Most recently, 건설안전기사 was updated on October 24, 2026 and 건안기 on October 25, 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.*