# Atom PDF vs Quick QR Code Scan

The clearest difference is rating: Atom PDF at 4.8 against Quick QR Code Scan's 4.2. Quick QR Code Scan's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (73 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Atom PDF holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Quick QR Code Scan has 73 ratings behind it against 4, so its average is the more settled of the two.

Atom PDF ships an update every 2 months, Quick QR Code Scan every 2 weeks. The most recent releases landed on September 20, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Atom PDF | Quick QR Code Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/atom-pdf-ocr-and-edit-document/id1663437816/reviews)** | [4.2 (73 ratings)](https://appshunter.io/ios/app/quick-qr-code-scan/id6745211056/reviews) |
| Number of ratings | 4 | **73** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 71 MB | 38 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BHIPSTER WORLD NETWORK TECH LIMITED](https://appshunter.io/developer/1657409447) | [THREE PANDA DIGITAL LIMITED](https://appshunter.io/developer/1593570487) |

## What reviewers say

### Atom PDF

[App page](https://appshunter.io/ios/app/atom-pdf-ocr-and-edit-document/id1663437816)

This app streamlines document workflows with features like PDF creation from images, versatile editing tools, and AI-powered chat support. It offers curated templates for business and personal use, along with local PDF reading and document history management.

**Highlights:** Convert images to PDF, Merge, split, crop PDFs, Business and personal templates, AI chat assistant for PDF queries, Local PDF reading, Document history management

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

**In-app purchases:** none


### Quick QR Code Scan

[App page](https://appshunter.io/ios/app/quick-qr-code-scan/id6745211056)

Easily scan QR codes and barcodes, even in low light. Create custom QR codes for texts, links, and more to share with friends. Access a history of all scanned and created codes.

**Highlights:** Fast QR code scanning, Barcode scanning, QR code generation, Scan from album, Flashlight support, Scan history, Create codes for text, links, email, phone

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

**In-app purchases:** none


## Frequently asked questions

### Is Atom PDF free?

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

### Is Quick QR Code Scan free?

Quick QR Code Scan is free to download, with no in-app purchases.

### Which has better reviews, Atom PDF or Quick QR Code Scan?

Atom PDF is rated higher. Atom PDF averages 4.8 out of 5 from 4 ratings, while Quick QR Code Scan averages 4.2 from 73 ratings.

### Do Atom PDF or Quick QR Code Scan have ads?

Neither Atom PDF nor Quick QR Code Scan shows ads.

### Which is updated more often, Atom PDF or Quick QR Code Scan?

Atom PDF ships an update every 2 months, and Quick QR Code Scan every 2 weeks. Most recently, Atom PDF was updated on September 20, 2026 and Quick QR Code Scan on September 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.*