# PDF Scanner & Simple Reader vs KRHQ

The clearest difference is in-app purchases: KRHQ at none against PDF Scanner & Simple Reader's 2. PDF Scanner & Simple Reader's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner & Simple Reader sells 2 in-app purchases, starting at $0.99 per month. KRHQ asks for nothing beyond the download.

PDF Scanner & Simple Reader ships an update weekly, KRHQ fortnightly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PDF Scanner & Simple Reader | KRHQ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KunWoo Kwon](https://appshunter.io/developer/1603506815) | [Securitas Korea](https://appshunter.io/developer/1896705768) |

## What reviewers say

### PDF Scanner & Simple Reader

[App page](https://appshunter.io/ios/app/pdf-scanner-and-simple-reader/id6753705461)

Transform paper documents into searchable PDFs using your device's camera. Read, bookmark, and organize your scanned files offline with a simple, intuitive interface. Offers tools for page extraction and merging for efficient document management.

**Highlights:** Document scanning to PDF, Simple PDF reader with zoom, Continue reading from last page, Bookmark important pages, Offline PDF access, Extract and merge PDF pages

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads (one month) | $0.99 | per month |
| remove ads (life time) | $4.99 | one-time |


### KRHQ

[App page](https://appshunter.io/ios/app/krhq/id6769983905)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner & Simple Reader free?

PDF Scanner & Simple Reader is free to download, with in-app purchases available.

### Is KRHQ free?

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

### Do PDF Scanner & Simple Reader or KRHQ have ads?

Neither PDF Scanner & Simple Reader nor KRHQ shows ads.

### Which is updated more often, PDF Scanner & Simple Reader or KRHQ?

PDF Scanner & Simple Reader ships an update weekly, and KRHQ fortnightly. Most recently, PDF Scanner & Simple Reader was updated on October 14, 2026 and KRHQ on October 4, 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.*