# iAlarm system vs QR & Barcode Scanner & Maker

The clearest difference is ads: iAlarm system at none against QR & Barcode Scanner & Maker's shown. iAlarm system also leads on iOS requirement (6.0 vs 13.0). 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.

## The numbers

| Metric | iAlarm system | QR & Barcode Scanner & Maker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | Free | — |
| Size | 34 MB | 27 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [春辉 麻](https://appshunter.io/developer/1020525759) | [MD. NASAR UDDIN REDOY](https://appshunter.io/developer/1653522796) |

## What reviewers say

### iAlarm system

[App page](https://appshunter.io/ios/app/ialarm-system/id1150964627)

Control your GSM/3G alarm system remotely. Arm, disarm, check status, and program your system using SMS or phone calls through this application.

**Highlights:** Remote alarm control, Arm/Disarm functionality, Home arm mode, System status check, Intercom feature, System programming

**Features:** macOS Compatibility

**In-app purchases:** none


### QR & Barcode Scanner & Maker

[App page](https://appshunter.io/ios/app/qr-and-barcode-scanner-and-maker/id6477154012)

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

**In-app purchases:** none


## Frequently asked questions

### Is iAlarm system free?

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

### Is QR & Barcode Scanner & Maker free?

QR & Barcode Scanner & Maker is free to download, with no in-app purchases.

### Do iAlarm system or QR & Barcode Scanner & Maker have ads?

QR & Barcode Scanner & Maker shows ads; iAlarm system does not.

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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.*