# 서울도서관공식앱 vs 한국사 오답노트(한능검 심화 문제&해설)

The clearest difference is review sentiment: 한국사 오답노트(한능검 심화 문제&해설) at 100% against 서울도서관공식앱's 11%. 한국사 오답노트(한능검 심화 문제&해설) also leads on rating (4.8 vs 1.4) and iOS requirement (13.0 vs 15.0). 서울도서관공식앱's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. 한국사 오답노트(한능검 심화 문제&해설) sells 2 one-off in-app purchases. 서울도서관공식앱 asks for nothing beyond the download.

한국사 오답노트(한능검 심화 문제&해설) holds the better App Store score, 4.8 against 1.4. Both are backed by a comparable volume of ratings — 13 and 6 respectively. Written reviews point the same way: 11% of 서울도서관공식앱's written reviews are positive against 100% of 한국사 오답노트(한능검 심화 문제&해설)'s.

서울도서관공식앱 ships an update every 2 months, 한국사 오답노트(한능검 심화 문제&해설) every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 서울도서관공식앱 | 한국사 오답노트(한능검 심화 문제&해설) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (13 ratings)](https://appshunter.io/ios/app/id777428688/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/and/id1538308063/reviews)** |
| Number of ratings | **13** | 6 |
| Positive reviews | 10.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 109 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seoul Metropolitan Government](https://appshunter.io/developer/444447999) | [Myoungsook Ji](https://appshunter.io/developer/1538308065) |

## What reviewers say

### 서울도서관공식앱

[App page](https://appshunter.io/ios/app/id777428688)

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

**In-app purchases:** none


### 한국사 오답노트(한능검 심화 문제&해설)

[App page](https://appshunter.io/ios/app/and/id1538308063)

Prepare for the Korean History Proficiency Test with this app. It offers past exam questions and detailed explanations to aid your study. Master Korean history for the official certification.

**Highlights:** Korean history test preparation, Past exam questions, Detailed explanations, Study aid, Certification preparation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 한국사 오답노트 프로 버전(1회 구매로 평생이용) | $3.99 | one-time |
| 프리미엄 업그레이드(1회 구매로 평생이용) | $3.99 | one-time |


## Frequently asked questions

### Is 서울도서관공식앱 free?

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

### Is 한국사 오답노트(한능검 심화 문제&해설) free?

한국사 오답노트(한능검 심화 문제&해설) is free to download, with in-app purchases available.

### Which has better reviews, 서울도서관공식앱 or 한국사 오답노트(한능검 심화 문제&해설)?

한국사 오답노트(한능검 심화 문제&해설) is rated higher. 서울도서관공식앱 averages 1.4 out of 5 from 13 ratings, while 한국사 오답노트(한능검 심화 문제&해설) averages 4.8 from 6 ratings.

### Do 서울도서관공식앱 or 한국사 오답노트(한능검 심화 문제&해설) have ads?

한국사 오답노트(한능검 심화 문제&해설) shows ads; 서울도서관공식앱 does not.

### Which is updated more often, 서울도서관공식앱 or 한국사 오답노트(한능검 심화 문제&해설)?

서울도서관공식앱 ships an update every 2 months, and 한국사 오답노트(한능검 심화 문제&해설) every 6 weeks. Most recently, 서울도서관공식앱 was updated on October 24, 2026 and 한국사 오답노트(한능검 심화 문제&해설) on October 25, 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.*