# 빅데이터분석기사 vs DDAYO

The clearest difference is update cadence: DDAYO at daily against 빅데이터분석기사's every 3 months. 빅데이터분석기사's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 18.0). On price, 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.

빅데이터분석기사 ships an update every 3 months, DDAYO daily. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 빅데이터분석기사 | DDAYO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 1 MB | 46 MB |
| Requires iOS | **14.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Park Chankyu](https://appshunter.io/developer/1540520080) | [JinGyun Jeong](https://appshunter.io/developer/1535411435) |

## What reviewers say

### 빅데이터분석기사

[App page](https://appshunter.io/ios/app/id1540531946)

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

**In-app purchases:** none


### DDAYO

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 빅데이터분석기사 free?

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

### Is DDAYO free?

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

### Do 빅데이터분석기사 or DDAYO have ads?

Neither 빅데이터분석기사 nor DDAYO shows ads.

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

빅데이터분석기사 ships an update every 3 months, and DDAYO daily. Most recently, 빅데이터분석기사 was updated on October 27, 2026 and DDAYO on October 30, 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.*