# DDAYO vs 정처기마스터

The clearest difference is iOS requirement: 정처기마스터 at 15.0 against DDAYO's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DDAYO | 정처기마스터 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Size | 46 MB | 15 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JinGyun Jeong](https://appshunter.io/developer/1535411435) | [Kyunghwan Ma](https://appshunter.io/developer/1893358681) |

## What reviewers say

### DDAYO

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

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

**In-app purchases:** none


### 정처기마스터

[App page](https://appshunter.io/ios/app/id6802172893)

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

**In-app purchases:** none


## Frequently asked questions

### Is DDAYO free?

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

### Is 정처기마스터 free?

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

### Do DDAYO or 정처기마스터 have ads?

Neither DDAYO nor 정처기마스터 shows ads.

### Which is updated more often, DDAYO or 정처기마스터?

DDAYO ships an update daily, and 정처기마스터 daily. Most recently, DDAYO was updated on October 30, 2026 and 정처기마스터 on October 29, 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.*