# OCR Korea vs KyouStudy

The clearest difference is in-app purchases: OCR Korea at none against KyouStudy's 3. KyouStudy's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KyouStudy sells 3 in-app purchases, starting at $3.99 per month. OCR Korea asks for nothing beyond the download.

OCR Korea ships an update every 3 weeks, KyouStudy every 5 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OCR Korea | KyouStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 5 MB | 187 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [BYNET](https://appshunter.io/developer/1811735131) | [HungBok](https://appshunter.io/developer/6787647770) |

## What reviewers say

### OCR Korea

[App page](https://appshunter.io/ios/app/ocr-korea-hangul-scanner/id6762322823)

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

**In-app purchases:** none


### KyouStudy

[App page](https://appshunter.io/ios/app/kyoustudy-language-learning/id6799300233)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KyouStudy Premium | $3.99 | per month |
| KyouStudy Premium (Annual) | $39.99 | per year |
| KyouStudy Premium (Lifetime) | $99.99 | one-time |


## Frequently asked questions

### Is OCR Korea free?

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

### Is KyouStudy free?

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

### Do OCR Korea or KyouStudy have ads?

Both OCR Korea and KyouStudy show ads.

### Which is updated more often, OCR Korea or KyouStudy?

OCR Korea ships an update every 3 weeks, and KyouStudy every 5 days. Most recently, OCR Korea was updated on October 17, 2026 and KyouStudy on October 8, 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.*