# QR Event Scanner vs AirMQTT

The clearest difference is in-app purchases: QR Event Scanner at none against AirMQTT's 2. QR Event Scanner also leads on iOS requirement (13.0 vs 18.0). AirMQTT's advantage is update cadence (every 2 months vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. AirMQTT sells 2 in-app purchases, starting at $1.99 per month. QR Event Scanner asks for nothing beyond the download.

QR Event Scanner ships an update every 16 months, AirMQTT every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | QR Event Scanner | AirMQTT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 7 MB | 17 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [EVENTICIOUS, LLC](https://appshunter.io/developer/1460787905) | [Sergei Penskii](https://appshunter.io/developer/1762100315) |

## What reviewers say

### QR Event Scanner

[App page](https://appshunter.io/ios/app/qr-event-scanner/id1611738697)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirMQTT

[App page](https://appshunter.io/ios/app/airmqtt/id6745257530)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirMQTT Pro (Monthly) | $1.99 | per month |
| AirMQTT Pro (Yearly) | $17.99 | per year |


## Frequently asked questions

### Is QR Event Scanner free?

QR Event Scanner is free to download, with no in-app purchases.

### Is AirMQTT free?

AirMQTT is free to download, with in-app purchases available.

### Do QR Event Scanner or AirMQTT have ads?

Neither QR Event Scanner nor AirMQTT shows ads.

### Which is updated more often, QR Event Scanner or AirMQTT?

QR Event Scanner ships an update every 16 months, and AirMQTT every 2 months. Most recently, QR Event Scanner was updated on October 25, 2026 and AirMQTT on October 25, 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.*