# DDAYO vs 정처기 문제은행

The clearest difference is ads: DDAYO at none against 정처기 문제은행's shown. DDAYO also leads on update cadence (daily vs every 6 days). 정처기 문제은행's advantage is iOS requirement (15.1 vs 18.0). On price, 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.

DDAYO ships an update daily, 정처기 문제은행 every 6 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | DDAYO | 정처기 문제은행 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 days |
| Size | 46 MB | 30 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JinGyun Jeong](https://appshunter.io/developer/1535411435) | [Minyong Lee](https://appshunter.io/developer/1895262341) |

## What reviewers say

### DDAYO

[App page](https://appshunter.io/ios/app/ddayo/id6743990712)

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

**In-app purchases:** none


### 정처기 문제은행

[App page](https://appshunter.io/ios/app/id6763553268)

**In-app purchases:** none


## Frequently asked questions

### Is DDAYO free?

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

### Is 정처기 문제은행 free?

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

### Do DDAYO or 정처기 문제은행 have ads?

정처기 문제은행 shows ads; DDAYO does not.

### Which is updated more often, DDAYO or 정처기 문제은행?

DDAYO ships an update daily, and 정처기 문제은행 every 6 days. Most recently, DDAYO was updated on October 30, 2026 and 정처기 문제은행 on November 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.*