# PDF Converter・Convert Document vs QR Code Scanner. Fast checker

The clearest difference is rating: PDF Converter・Convert Document at 5.0 against QR Code Scanner. Fast checker's 4.3. QR Code Scanner. Fast checker's advantage is update cadence (daily vs every 2 months) and ratings volume (21 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Converter・Convert Document sells 2 in-app purchases, starting at $5.99 per 7 days and QR Code Scanner. Fast checker sells 1 in-app purchase, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Converter・Convert Document holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: QR Code Scanner. Fast checker has 21 ratings behind it against 2, so its average is the more settled of the two.

PDF Converter・Convert Document ships an update every 2 months, QR Code Scanner. Fast checker daily. The most recent releases landed on September 9, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | PDF Converter・Convert Document | QR Code Scanner. Fast checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-converterconvert-document/id6587565571/reviews)** | [4.3 (21 ratings)](https://appshunter.io/ios/app/qr-code-scanner-fast-checker/id6737689102/reviews) |
| Number of ratings | 2 | **21** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 53 MB | 32 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luke Dyson](https://appshunter.io/developer/1772305853) | [Marc-Philipp Neusser](https://appshunter.io/developer/1812629889) |

## What reviewers say

### PDF Converter・Convert Document

[App page](https://appshunter.io/ios/app/pdf-converterconvert-document/id6587565571)

Easily convert various file types to PDF and back directly from your phone. Supports batch conversions, file management, and maintains high-quality output for work, school, or personal use.

**Highlights:** Convert Word, Excel, PowerPoint, images to PDF, Convert PDF to editable formats, Batch conversion of multiple files, Organize, rename, and share documents, High-quality output with intact formatting, Clean and intuitive interface

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner・Scan Documents Pro | $5.99 | per 7 days |
| PDF Scanner・Scan Text Document | $5.99 | per 7 days |


### QR Code Scanner. Fast checker

[App page](https://appshunter.io/ios/app/qr-code-scanner-fast-checker/id6737689102)

Easily scan QR codes and barcodes with your device's camera or by manual input. Generate custom codes for Wi-Fi, URLs, and more, with options to save, manage, and export your scanned data. A premium version offers advanced customization and ad-free scanning.

**Highlights:** Quick QR and barcode scanning, Custom code creation (Wi-Fi, URL, email), Save and manage scanned codes, Export data to .csv, Support for 15+ code types, Code personalization (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |


## Frequently asked questions

### Is PDF Converter・Convert Document free?

PDF Converter・Convert Document is free to download, with in-app purchases available.

### Is QR Code Scanner. Fast checker free?

QR Code Scanner. Fast checker is free to download, with in-app purchases available.

### Which has better reviews, PDF Converter・Convert Document or QR Code Scanner. Fast checker?

PDF Converter・Convert Document is rated higher. PDF Converter・Convert Document averages 5.0 out of 5 from 2 ratings, while QR Code Scanner. Fast checker averages 4.3 from 21 ratings.

### Do PDF Converter・Convert Document or QR Code Scanner. Fast checker have ads?

Neither PDF Converter・Convert Document nor QR Code Scanner. Fast checker shows ads.

### Which is updated more often, PDF Converter・Convert Document or QR Code Scanner. Fast checker?

PDF Converter・Convert Document ships an update every 2 months, and QR Code Scanner. Fast checker daily. Most recently, PDF Converter・Convert Document was updated on September 9, 2026 and QR Code Scanner. Fast checker on September 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*