# 서울교육대학교도서관 vs 고종훈 OX 문제집(한국사능력검정시험 대비)

The clearest difference is update cadence: 고종훈 OX 문제집(한국사능력검정시험 대비) at every 5 months against 서울교육대학교도서관's every 21 months. 서울교육대학교도서관's advantage is iOS requirement (12.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

서울교육대학교도서관 ships an update every 21 months, 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 서울교육대학교도서관 | 고종훈 OX 문제집(한국사능력검정시험 대비) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 6 MB | 22 MB |
| Requires iOS | **12.3** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INEK corp.](https://appshunter.io/developer/494214129) | [NewLearn Soft](https://appshunter.io/developer/1815216881) |

## What reviewers say

### 서울교육대학교도서관

[App page](https://appshunter.io/ios/app/id1491427600)

**Features:** Vision Pro support

**In-app purchases:** none


### 고종훈 OX 문제집(한국사능력검정시험 대비)

[App page](https://appshunter.io/ios/app/ox/id6474063482)

This app helps you prepare for the Korean History Proficiency Test with structured learning plans and practice quizzes. It offers personalized notes for incorrect answers and allows for convenient mobile access anytime, anywhere. Expert-created questions ensure high-quality practice for exam success.

**Highlights:** Structured learning plans, Practice quizzes, Personalized incorrect answer notes, Mobile access, Expert-created questions, Exam preparation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 서울교육대학교도서관 free?

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

### Is 고종훈 OX 문제집(한국사능력검정시험 대비) free?

고종훈 OX 문제집(한국사능력검정시험 대비) is free to download, with no in-app purchases.

### Do 서울교육대학교도서관 or 고종훈 OX 문제집(한국사능력검정시험 대비) have ads?

Neither 서울교육대학교도서관 nor 고종훈 OX 문제집(한국사능력검정시험 대비) shows ads.

### Which is updated more often, 서울교육대학교도서관 or 고종훈 OX 문제집(한국사능력검정시험 대비)?

서울교육대학교도서관 ships an update every 21 months, and 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. Most recently, 서울교육대학교도서관 was updated on October 12, 2026 and 고종훈 OX 문제집(한국사능력검정시험 대비) on October 9, 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.*