# 정처기 문제은행 vs SQLmate

The clearest difference is in-app purchases: 정처기 문제은행 at none against SQLmate's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SQLmate sells 1 in-app purchase, starting at $1.99 per month. 정처기 문제은행 asks for nothing beyond the download.

정처기 문제은행 ships an update every 6 days, SQLmate weekly. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 정처기 문제은행 | SQLmate |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 98 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Minyong Lee](https://appshunter.io/developer/1895262341) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 정처기 문제은행

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

**In-app purchases:** none


### SQLmate

[App page](https://appshunter.io/ios/app/sqlmate-sqld/id6763740901)

This app helps you prepare for the SQLD certification exam by focusing on effective review and identifying your weaknesses. It uses a science-based algorithm to schedule reviews and provides detailed explanations and practice tests to ensure you retain information.

**Highlights:** FSRS smart review scheduling, Concept learning with 135 lessons, 4,325 practice questions, Detailed explanations, Weakness analysis heatmap, Offline learning support, Mock exams

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $1.99 | per month |


## Frequently asked questions

### Is 정처기 문제은행 free?

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

### Is SQLmate free?

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

### Do 정처기 문제은행 or SQLmate have ads?

Both 정처기 문제은행 and SQLmate show ads.

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

정처기 문제은행 ships an update every 6 days, and SQLmate weekly. Most recently, 정처기 문제은행 was updated on September 8, 2026 and SQLmate on September 10, 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.*