# QR & Barcode Scan vs OLG

The clearest difference is in-app purchases: OLG at none against QR & Barcode Scan's 2. OLG also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

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

QR & Barcode Scan ships an update every 3 months, OLG every 3 weeks. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | QR & Barcode Scan | OLG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (58 ratings)](https://appshunter.io/ios/app/qr-and-barcode-scan/id6762162278/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 8 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Majin FX](https://appshunter.io/developer/1742218504) | [Van Quang Duong](https://appshunter.io/developer/6803433022) |

## What reviewers say

### QR & Barcode Scan

[App page](https://appshunter.io/ios/app/qr-and-barcode-scan/id6762162278)

Instantly scan and generate QR codes and barcodes with advanced technology. This app automatically detects and decodes information, supports various formats, and allows you to create custom codes for sharing. It also offers features like scanning from your photo library and an organized history log.

**Highlights:** Lightning-fast automatic scanning, Universal barcode format support, Custom QR code generation, Scan from photo library, Flashlight and auto-zoom, Comprehensive scan history, Action-oriented scan results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Month pro | $19.99 | per month |


### OLG

[App page](https://appshunter.io/ios/app/olg-cml/id6803433020)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR & Barcode Scan free?

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

### Is OLG free?

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

### Do QR & Barcode Scan or OLG have ads?

QR & Barcode Scan shows ads; OLG does not.

### Which is updated more often, QR & Barcode Scan or OLG?

QR & Barcode Scan ships an update every 3 months, and OLG every 3 weeks. Most recently, QR & Barcode Scan was updated on November 9, 2026 and OLG on November 6, 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.*