# Fast PDF Reader & Converter vs Scan QR Code

The clearest difference is in-app purchases: Fast PDF Reader & Converter at none against Scan QR Code's 2. Scan QR Code's advantage is ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Scan QR Code sells 2 in-app purchases, starting at $9.99 per 7 days. Fast PDF Reader & Converter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Fast PDF Reader & Converter against 4.2 for Scan QR Code. Both are backed by a comparable volume of ratings — 19 and 13 respectively.

Fast PDF Reader & Converter ships an update every 2 months, Scan QR Code every 8 days. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fast PDF Reader & Converter | Scan QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/fast-pdf-reader-and-converter/id6477148802/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/scan-qr-code-barcode-reader/id6755876212/reviews) |
| Number of ratings | **19** | 13 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 54 MB | 66 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Truong Nguyen](https://appshunter.io/developer/1602339577) | [Phuc Tran](https://appshunter.io/developer/1856846109) |

## What reviewers say

### Fast PDF Reader & Converter

[App page](https://appshunter.io/ios/app/fast-pdf-reader-and-converter/id6477148802)

Easily transform photos into professional PDF documents. Convert various image formats, customize settings, and organize your files with a sleek, user-friendly interface. Ideal for students, professionals, and anyone needing to create neat PDF albums.

**Highlights:** Image to PDF conversion, Supports JPEG, PNG, and more, Customizable PDF settings, Fast and efficient processing, Folder-based organization, User-friendly design

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

**In-app purchases:** none


### Scan QR Code

[App page](https://appshunter.io/ios/app/scan-qr-code-barcode-reader/id6755876212)

This app is a versatile tool for scanning, reading, and creating QR codes and barcodes. It offers fast decoding of various code types, access to essential information, and the ability to generate custom QR codes for personal or business use. All your scan history is conveniently organized for easy review and sharing.

**Highlights:** Fast QR code scanning, Barcode reading for product info, QR code generation for Wi-Fi, contacts, websites, Organized scan history, Supports multiple barcode formats, Manual barcode input option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.99 | per 7 days |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is Fast PDF Reader & Converter free?

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

### Is Scan QR Code free?

Scan QR Code is free to download, with in-app purchases available.

### Which has better reviews, Fast PDF Reader & Converter or Scan QR Code?

Fast PDF Reader & Converter is rated higher. Fast PDF Reader & Converter averages 4.3 out of 5 from 19 ratings, while Scan QR Code averages 4.2 from 13 ratings.

### Do Fast PDF Reader & Converter or Scan QR Code have ads?

Fast PDF Reader & Converter shows ads; Scan QR Code does not.

### Which is updated more often, Fast PDF Reader & Converter or Scan QR Code?

Fast PDF Reader & Converter ships an update every 2 months, and Scan QR Code every 8 days. Most recently, Fast PDF Reader & Converter was updated on September 27, 2026 and Scan QR Code on October 3, 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.*