# SQL query vs 정보처리기사

The clearest difference is in-app purchases: SQL query at none against 정보처리기사's 2. SQL query also leads on update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 정보처리기사 sells 2 one-off in-app purchases. SQL query asks for nothing beyond the download.

SQL query ships an update weekly, 정보처리기사 every 3 months. The most recent releases landed on September 13, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | SQL query | 정보처리기사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 320 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hee Seong Kim](https://appshunter.io/developer/1764190060) | [Jongmin Kim](https://appshunter.io/developer/1693759760) |

## What reviewers say

### SQL query

[App page](https://appshunter.io/ios/app/sql-query-sql/id6443757218)

**Features:** macOS Compatibility

**In-app purchases:** none


### 정보처리기사

[App page](https://appshunter.io/ios/app/id6738232317)

Prepare for the Information Processing Engineer certification exam with this comprehensive app. It offers a vast collection of past exam questions, detailed explanations, and audio playback for on-the-go learning. Track your progress and review incorrect answers with dedicated features.

**Highlights:** 19 sets of latest past exam questions, Yearly and subject-specific question practice, Detailed explanations for all questions, Automatic incorrect answer saving, Favorite question bookmarking, Random question mode, Audio playback for questions, Lecture and study notes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $4.99 | one-time |
| 후원 하기 | $5.99 | one-time |


## Frequently asked questions

### Is SQL query free?

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

### Is 정보처리기사 free?

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

### Do SQL query or 정보처리기사 have ads?

Both SQL query and 정보처리기사 show ads.

### Which is updated more often, SQL query or 정보처리기사?

SQL query ships an update weekly, and 정보처리기사 every 3 months. Most recently, SQL query was updated on September 13, 2026 and 정보처리기사 on August 13, 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.*