# Data Practitioner Exam Prep vs 정보보안기사 필기

The clearest difference is ads: Data Practitioner Exam Prep at none against 정보보안기사 필기's shown. Data Practitioner Exam Prep also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Data Practitioner Exam Prep sells 1 one-off in-app purchase and 정보보안기사 필기 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Data Practitioner Exam Prep ships an update weekly, 정보보안기사 필기 fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Data Practitioner Exam Prep | 정보보안기사 필기 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 92 MB | 85 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### Data Practitioner Exam Prep

[App page](https://appshunter.io/ios/app/data-practitioner-exam-prep/id6785743921)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### 정보보안기사 필기

[App page](https://appshunter.io/ios/app/id6791809394)

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

**In-app purchases (3)**

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


## Frequently asked questions

### Is Data Practitioner Exam Prep free?

Data Practitioner Exam Prep is free to download, with in-app purchases available.

### Is 정보보안기사 필기 free?

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

### Do Data Practitioner Exam Prep or 정보보안기사 필기 have ads?

정보보안기사 필기 shows ads; Data Practitioner Exam Prep does not.

### Which is updated more often, Data Practitioner Exam Prep or 정보보안기사 필기?

Data Practitioner Exam Prep ships an update weekly, and 정보보안기사 필기 fortnightly. Most recently, Data Practitioner Exam Prep was updated on October 24, 2026 and 정보보안기사 필기 on October 24, 2026.

---

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