# ATS MQTT Client vs Project Aziz

The clearest difference is update cadence: Project Aziz at every 4 weeks against ATS MQTT Client's every 7 months. ATS MQTT Client's advantage is iOS requirement (13.0 vs 17.0). On price, ads, 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.

ATS MQTT Client ships an update every 7 months, Project Aziz every 4 weeks. The most recent releases landed on September 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ATS MQTT Client | Project Aziz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ats-mqtt-client/id1485411018/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 108 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ATS sp.j.](https://appshunter.io/developer/1485411017) | [J Computer Solutions LLC](https://appshunter.io/developer/1048811644) |

## What reviewers say

### ATS MQTT Client

[App page](https://appshunter.io/ios/app/ats-mqtt-client/id1485411018)

Monitor and control devices connected to the mqtt.ats.pl service in real-time. Sign in with your account to access all your registered devices directly within the application.

**Highlights:** Real-time device monitoring, Device control, Integration with mqtt.ats.pl service, Account sign-in for device access, Supports iPhone, iPad, and iPod

**Features:** macOS Compatibility

**In-app purchases:** none


### Project Aziz

[App page](https://appshunter.io/ios/app/project-aziz/id6799582961)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATS MQTT Client free?

ATS MQTT Client is free to download, with no in-app purchases.

### Is Project Aziz free?

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

### Do ATS MQTT Client or Project Aziz have ads?

Neither ATS MQTT Client nor Project Aziz shows ads.

### Which is updated more often, ATS MQTT Client or Project Aziz?

ATS MQTT Client ships an update every 7 months, and Project Aziz every 4 weeks. Most recently, ATS MQTT Client was updated on September 25, 2026 and Project Aziz on October 21, 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.*