# Quick QRCode Reader vs DIAAMS

The clearest difference is ads: DIAAMS at none against Quick QRCode Reader's shown. DIAAMS also leads on update cadence (weekly vs every 2 months) and review sentiment (50% vs 27%). On price, in-app purchases and device support there is nothing between them.

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

Quick QRCode Reader ships an update every 2 months, DIAAMS weekly. The most recent releases landed on September 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Quick QRCode Reader | DIAAMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (55 ratings)](https://appshunter.io/ios/app/quick-qrcode-reader/id1250318503/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 27.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 62 MB | 41 MB |
| Requires iOS | 16.1 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) |

## What reviewers say

### Quick QRCode Reader

[App page](https://appshunter.io/ios/app/quick-qrcode-reader/id1250318503)

Easily scan and generate various QR codes and barcodes, including UPC, EAN, and Code128. Features quick scanning with autofocus, photo scanning, and flashlight support. Save scanned data as contacts or open links directly.

**Highlights:** Scan QR codes and barcodes, Generate QR codes and barcodes, Quick Scan mode with autofocus, Photo Scan mode, Flashlight support, Save scanned data, iCloud Backup

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

**In-app purchases:** none


### DIAAMS

[App page](https://appshunter.io/ios/app/diaams/id1498872363)

This mobile interface is designed for the Delta DIAAMS system. It enables immediate reception of alert notifications through push messages when new alarm events occur within the DIAAMS system. The application requires the Delta DIAAMS web-based main system to function.

**Highlights:** Real-time alert notifications, Push notification support, Designed for Delta DIAAMS system, Requires web-based main system, Mobile browsing interface

**In-app purchases:** none


## Frequently asked questions

### Is Quick QRCode Reader free?

Quick QRCode Reader is free to download, with no in-app purchases.

### Is DIAAMS free?

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

### Do Quick QRCode Reader or DIAAMS have ads?

Quick QRCode Reader shows ads; DIAAMS does not.

### Which is updated more often, Quick QRCode Reader or DIAAMS?

Quick QRCode Reader ships an update every 2 months, and DIAAMS weekly. Most recently, Quick QRCode Reader was updated on September 21, 2026 and DIAAMS on October 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.*