# PDF Reader vs QR Gen & Scan

The clearest difference is update cadence: QR Gen & Scan at every 3 weeks against PDF Reader's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PDF Reader ships an update every 2 months, QR Gen & Scan every 3 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDF Reader | QR Gen & Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 13 MB | 54 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cuong Kieu Van](https://appshunter.io/developer/1816110113) | [野 徐](https://appshunter.io/developer/1742671206) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-convert-and-edit/id6752774269)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Gen & Scan

[App page](https://appshunter.io/ios/app/qr-gen-and-scan-code-reader/id6774101674)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is QR Gen & Scan free?

QR Gen & Scan is free to download, with no in-app purchases.

### Do PDF Reader or QR Gen & Scan have ads?

Both PDF Reader and QR Gen & Scan show ads.

### Which is updated more often, PDF Reader or QR Gen & Scan?

PDF Reader ships an update every 2 months, and QR Gen & Scan every 3 weeks. Most recently, PDF Reader was updated on October 10, 2026 and QR Gen & Scan on October 5, 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.*