# PenFlow vs OCR Korea

The clearest difference is ads: PenFlow at none against OCR Korea's shown. PenFlow also leads on update cadence (every 10 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PenFlow ships an update every 10 days, OCR Korea every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | PenFlow | OCR Korea |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 5 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [BYNET](https://appshunter.io/developer/1811735131) |

## What reviewers say

### PenFlow

[App page](https://appshunter.io/ios/app/penflow/id6761091973)

**Features:** macOS Compatibility

**In-app purchases:** none


### OCR Korea

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

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

**In-app purchases:** none


## Frequently asked questions

### Is PenFlow free?

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

### Is OCR Korea free?

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

### Do PenFlow or OCR Korea have ads?

OCR Korea shows ads; PenFlow does not.

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

PenFlow ships an update every 10 days, and OCR Korea every 3 weeks. Most recently, PenFlow was updated on October 31, 2026 and OCR Korea on October 31, 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.*