# Big QR Reader vs SmartReaderPDF

The clearest difference is ads: SmartReaderPDF at none against Big QR Reader's shown. On price, update cadence, 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.

Big QR Reader ships an update every 5 days, SmartReaderPDF weekly. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Big QR Reader | SmartReaderPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/big-qr-reader/id1662341591/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 23 MB | 44 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Peidatong Technology Co., Ltd.](https://appshunter.io/developer/1662341593) | [JOYFUL DOG (HK) CO., LIMITED](https://appshunter.io/developer/1692727619) |

## What reviewers say

### Big QR Reader

[App page](https://appshunter.io/ios/app/big-qr-reader/id1662341591)

Easily scan and decode various QR codes and barcodes, including contact info, URLs, Wi-Fi credentials, and product details. It supports scanning from your gallery and in low-light conditions, with all scan history saved for quick access.

**Highlights:** Reads all QR & barcode formats, Saves scan history, Scans from gallery, Flashlight for dark environments, Offline scanning, Scans promotion and coupon codes

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartReaderPDF

[App page](https://appshunter.io/ios/app/smartreaderpdf/id6451301078)

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

**In-app purchases:** none


## Frequently asked questions

### Is Big QR Reader free?

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

### Is SmartReaderPDF free?

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

### Do Big QR Reader or SmartReaderPDF have ads?

Big QR Reader shows ads; SmartReaderPDF does not.

### Which is updated more often, Big QR Reader or SmartReaderPDF?

Big QR Reader ships an update every 5 days, and SmartReaderPDF weekly. Most recently, Big QR Reader was updated on June 11, 2026 and SmartReaderPDF on September 17, 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.*