# TTReader vs 고종훈 OX 문제집(한국사능력검정시험 대비)

The clearest difference is in-app purchases: 고종훈 OX 문제집(한국사능력검정시험 대비) at none against TTReader's 1. 고종훈 OX 문제집(한국사능력검정시험 대비) also leads on ads (none vs shown). TTReader's advantage is update cadence (every 3 weeks vs every 5 months). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. TTReader sells 1 in-app purchase, starting at $1.99 per month. 고종훈 OX 문제집(한국사능력검정시험 대비) asks for nothing beyond the download.

TTReader ships an update every 3 weeks, 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TTReader | 고종훈 OX 문제집(한국사능력검정시험 대비) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/ttreader-text-reader-ocr/id1622580218/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 197 MB | 22 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYEONJOON HONG](https://appshunter.io/developer/1622580220) | [NewLearn Soft](https://appshunter.io/developer/1815216881) |

## What reviewers say

### TTReader

[App page](https://appshunter.io/ios/app/ttreader-text-reader-ocr/id1622580218)

This application allows you to read text from various document formats, including images, EPUB, and PDF. It offers advanced text-to-speech (TTS) features with customizable speed and line reading, along with OCR capabilities to extract text from images. Enhance your reading experience with extensive UI customization and cloud integration.

**Highlights:** Text-to-Speech (TTS) with adjustable speed, OCR for image and document text extraction, Convert EPUB and PDF to text, Customizable UI themes and fonts, Cloud app integration for file access, Bookmark and history functions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads - 1 Month | $1.99 | per month |


### 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 TTReader free?

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

### Is 고종훈 OX 문제집(한국사능력검정시험 대비) free?

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

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

TTReader shows ads; 고종훈 OX 문제집(한국사능력검정시험 대비) does not.

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

TTReader ships an update every 3 weeks, and 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. Most recently, TTReader was updated on September 28, 2026 and 고종훈 OX 문제집(한국사능력검정시험 대비) on September 23, 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.*