# SCAN ACE · PDF Scanner App vs QR Code & Barcode Reader App

The clearest difference is chart position: SCAN ACE · PDF Scanner App at #181 against QR Code & Barcode Reader App's unranked. QR Code & Barcode Reader App's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SCAN ACE · PDF Scanner App sells 10 in-app purchases, starting at $2.99 per month and QR Code & Barcode Reader App sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SCAN ACE · PDF Scanner App ships an update fortnightly, QR Code & Barcode Reader App every 3 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SCAN ACE · PDF Scanner App | QR Code & Barcode Reader App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (39K ratings)](https://appshunter.io/ios/app/scan-ace-pdf-scanner-app/id556500145/reviews)** | — |
| Number of ratings | **39K** | — |
| Positive reviews | 86.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Subscription | — |
| Best chart rank | **#181** | — |
| Size | 126 MB | 36 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [Melinda Sari](https://appshunter.io/developer/1834336337) |

## What reviewers say

### SCAN ACE · PDF Scanner App

[App page](https://appshunter.io/ios/app/scan-ace-pdf-scanner-app/id556500145)

**Currently charting:** #181 Top Grossing · Business (US App Store)

Transform any document or image into a high-quality digital file. This app offers automatic edge detection, multiple scan modes, and advanced editing tools like OCR, filters, and watermarking. Securely manage, share, and convert your files with ease.

**Highlights:** Automatic document edge detection, Document, ID, and Passport scan modes, AI OCR for text recognition and copying, Professional editing filters, Add signatures and watermarks, Password protection for PDFs, Cloud storage integration

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan - Monthly | $2.99 | per month |
| Premium Plan - Weekly | $4.99 | per 7 days |
| Premium Plan - Weekly | $4.99 | per 7 days |
| Premium Plan - Weekly | $5.99 | per 7 days |
| Premium Plan - Monthly | $9.99 | per month |
| Premium Plan - Weekly | $9.99 | per 7 days |
| Premium Plan - Yearly | $19.99 | per year |
| Premium Plan - Yearly | $29.99 | per year |
| Premium Plan - Yearly | $29.99 | per year |
| Premium Plan - Yearly | $49.99 | per year |

**What reviewers like**

- 💻 Easy to use
- 🚀 Convenient for on-the-go scanning
- 📁 Effective for organizing and storing documents
- 🔍 Produces high-quality scans
- ⚙️ Useful features like color/grayscale options

**What reviewers complain about**

- 🐛 Issues with recent updates (e.g., lost folder organization, decreased functionality)
- 🔍 Quality concerns with some scans
- 🔒 Unreliable cloud storage integration (Dropbox, Google Drive)
- 💰 Frustration with subscription model after previous one-time purchase
- 🤔 Confusing or unintuitive user interface

**Reported bugs**

- Crashes or freezes during use
- Issues with batch scanning and document processing
- Problems with exporting or sharing scanned documents

**Requested features**

- Restore folder organization and management
- Improve cloud storage integration and sync
- Add more customization options for file naming and organization
- Enhance multi-page scanning and editing capabilities


### QR Code & Barcode Reader App

[App page](https://appshunter.io/ios/app/qr-code-and-barcode-reader-app/id6751262173)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Reader Premium 1 Week | $9.99 | per 7 days |
| QR Reader Premium 1 Month | $14.99 | per month |
| QR Reader Premium 1 Year | $39.99 | per year |


## Frequently asked questions

### Is SCAN ACE · PDF Scanner App free?

SCAN ACE · PDF Scanner App is free to download, with in-app purchases available.

### Is QR Code & Barcode Reader App free?

QR Code & Barcode Reader App is free to download, with in-app purchases available.

### Do SCAN ACE · PDF Scanner App or QR Code & Barcode Reader App have ads?

Neither SCAN ACE · PDF Scanner App nor QR Code & Barcode Reader App shows ads.

### Which is updated more often, SCAN ACE · PDF Scanner App or QR Code & Barcode Reader App?

SCAN ACE · PDF Scanner App ships an update fortnightly, and QR Code & Barcode Reader App every 3 weeks. Most recently, SCAN ACE · PDF Scanner App was updated on October 15, 2026 and QR Code & Barcode Reader App on October 4, 2026.

---

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