# 공무원 디데이 vs SYSTEM

The clearest difference is ads: SYSTEM at none against 공무원 디데이's shown. On price, update cadence, 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.

공무원 디데이 ships an update every 5 days, SYSTEM every 10 days. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 공무원 디데이 | SYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 27 MB | 19 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juyeon Kim](https://appshunter.io/developer/6791602657) | [taewook kim](https://appshunter.io/developer/6799875518) |

## What reviewers say

### 공무원 디데이

[App page](https://appshunter.io/ios/app/exam-d-day/id6794845728)

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

**In-app purchases:** none


### SYSTEM

[App page](https://appshunter.io/ios/app/system/id6799875516)

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

**In-app purchases:** none


## Frequently asked questions

### Is 공무원 디데이 free?

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

### Is SYSTEM free?

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

### Do 공무원 디데이 or SYSTEM have ads?

공무원 디데이 shows ads; SYSTEM does not.

### Which is updated more often, 공무원 디데이 or SYSTEM?

공무원 디데이 ships an update every 5 days, and SYSTEM every 10 days. Most recently, 공무원 디데이 was updated on September 18, 2026 and SYSTEM on September 27, 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.*