# 공조냉동기계기사 vs 공냉기 필기

The clearest difference is iOS requirement: 공조냉동기계기사 at 12.0 against 공냉기 필기's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 공조냉동기계기사 sells 2 one-off in-app purchases and 공냉기 필기 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 공조냉동기계기사 | 공냉기 필기 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 months |
| Size | 143 MB | 67 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

### 공조냉동기계기사

[App page](https://appshunter.io/ios/app/id6745732899)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $2.99 | one-time |
| 후원하기 | $5.99 | one-time |


### 공냉기 필기

[App page](https://appshunter.io/ios/app/id6791809901)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 공냉기 필기 프리미엄 월간 | $1.99 | per month |
| 공냉기 필기 프리미엄 3개월 | $3.99 | per 3 months |
| 공냉기 필기 프리미엄 평생 | $5.99 | one-time |


## Frequently asked questions

### Is 공조냉동기계기사 free?

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

### Is 공냉기 필기 free?

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

### Do 공조냉동기계기사 or 공냉기 필기 have ads?

Both 공조냉동기계기사 and 공냉기 필기 show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*