# QR Code Reader・Scanner Barcode vs D&L Environment Control

The clearest difference is in-app purchases: D&L Environment Control at none against QR Code Reader・Scanner Barcode's 2. QR Code Reader・Scanner Barcode's advantage is update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code Reader・Scanner Barcode sells 2 in-app purchases, starting at $6.99 per 7 days. D&L Environment Control asks for nothing beyond the download.

QR Code Reader・Scanner Barcode ships an update every 5 days, D&L Environment Control monthly. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | QR Code Reader・Scanner Barcode | D&L Environment Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12 ratings)](https://appshunter.io/ios/app/qr-code-readerscanner-barcode/id6748640136/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Freemium | — |
| Size | 23 MB | 45 MB |
| Requires iOS | 16 | **15.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Prudnikov](https://appshunter.io/developer/1826752694) | [TAT THANG LE](https://appshunter.io/developer/1870058912) |

## What reviewers say

### QR Code Reader・Scanner Barcode

[App page](https://appshunter.io/ios/app/qr-code-readerscanner-barcode/id6748640136)

Quickly scan QR codes and barcodes to access information, deals, and product details. Create your own QR codes and manage your scan history. An upgrade unlocks unlimited scans and an ad-free experience.

**Highlights:** Scan QR codes and barcodes, Create custom QR codes, Find product information and deals, Access scan history, Share scan results, Unlimited scans (premium)

**Features:** macOS Compatibility

**In-app purchases (2)**

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


### D&L Environment Control

[App page](https://appshunter.io/ios/app/d-and-l-environment-control/id6758744702)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader・Scanner Barcode free?

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

### Is D&L Environment Control free?

D&L Environment Control is free to download, with no in-app purchases.

### Do QR Code Reader・Scanner Barcode or D&L Environment Control have ads?

Neither QR Code Reader・Scanner Barcode nor D&L Environment Control shows ads.

### Which is updated more often, QR Code Reader・Scanner Barcode or D&L Environment Control?

QR Code Reader・Scanner Barcode ships an update every 5 days, and D&L Environment Control monthly. Most recently, QR Code Reader・Scanner Barcode was updated on September 24, 2026 and D&L Environment Control on October 7, 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.*