# 대구전자도서관 vs 고종훈 OX 문제집(9급 공무원 대비)

The clearest difference is review sentiment: 고종훈 OX 문제집(9급 공무원 대비) at 100% against 대구전자도서관's 15%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

대구전자도서관 ships an update every 2 months, 고종훈 OX 문제집(9급 공무원 대비) every 6 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 대구전자도서관 | 고종훈 OX 문제집(9급 공무원 대비) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ox-9/id6470810098/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 15.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 142 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [예스24](https://appshunter.io/developer/360051539) | [NewLearn Soft](https://appshunter.io/developer/1815216881) |

## What reviewers say

### 대구전자도서관

[App page](https://appshunter.io/ios/app/id1592033310)

**Features:** Vision Pro support

**In-app purchases:** none


### 고종훈 OX 문제집(9급 공무원 대비)

[App page](https://appshunter.io/ios/app/ox-9/id6470810098)

Prepare for civil service exams with this app. It offers an error correction notebook to save and review incorrect answers, and automatically scores chapters to identify weak areas. The clean interface is designed for comfort during long study sessions.

**Highlights:** Error correction notebook, Review saved incorrect answers, Chapter completion scoring, Identify weak study areas, Comfortable screen layout, Vibration for incorrect answers

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent for utilizing spare time
- 👍 Convenient for studying on the go
- 👍 Effective for reviewing and reinforcing knowledge
- 👍 High-quality questions and content
- 👍 User-friendly interface and design

**What reviewers complain about**

- 🐛 Problem numbers sometimes start from 2
- 🐛 Scrolling needed for long explanations
- 🐛 Some users wish for faster app loading
- 🐛 Manually favoriting questions is tedious
- 🐛 Lack of explanations for some questions (mentioned by one user)

**Reported bugs**

- Typo: OECD written as trueECD in Part8-Chapter2-Quiz61 and Part8-Chapter3-Quiz18

**Requested features**

- Ability to move between questions freely (forward/backward)
- Option to collect wrong answers in one go for O답노트
- Ability to upload photos
- Faster app loading speed
- Improvement in favoriting/bookmarking questions


## Frequently asked questions

### Is 대구전자도서관 free?

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

### Is 고종훈 OX 문제집(9급 공무원 대비) free?

고종훈 OX 문제집(9급 공무원 대비) is free to download, with no in-app purchases.

### Do 대구전자도서관 or 고종훈 OX 문제집(9급 공무원 대비) have ads?

Neither 대구전자도서관 nor 고종훈 OX 문제집(9급 공무원 대비) shows ads.

### Which is updated more often, 대구전자도서관 or 고종훈 OX 문제집(9급 공무원 대비)?

대구전자도서관 ships an update every 2 months, and 고종훈 OX 문제집(9급 공무원 대비) every 6 weeks. Most recently, 대구전자도서관 was updated on November 5, 2026 and 고종훈 OX 문제집(9급 공무원 대비) on November 3, 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.*