# MqttClient vs TwinCAT IoT Communicator

The clearest difference is rating: TwinCAT IoT Communicator at 5.0 against MqttClient's 1.0. TwinCAT IoT Communicator also leads on update cadence (every 2 months vs every 10 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TwinCAT IoT Communicator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

MqttClient ships an update every 10 months, TwinCAT IoT Communicator every 2 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MqttClient | TwinCAT IoT Communicator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mqttclient/id928932457/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/twincat-iot-communicator/id1113995901/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 116 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luca Ceci](https://appshunter.io/developer/923764949) | [Beckhoff Automation GmbH](https://appshunter.io/developer/859883375) |

## What reviewers say

### MqttClient

[App page](https://appshunter.io/ios/app/mqttclient/id928932457)

This utility app provides a fast client for MQTT, the internet of things protocol. It allows users to test broker servers, monitor topics, send and receive messages, and save configurations for quick access. It's designed for testing MQTT broker activities.

**Highlights:** MQTT client functionality, Broker server testing, Topic monitoring, Send and receive messages, Save configurations, User/password authentication

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

**In-app purchases:** none


### TwinCAT IoT Communicator

[App page](https://appshunter.io/ios/app/twincat-iot-communicator/id1113995901)

Easily transmit process data from TwinCAT controllers to various devices, monitor status changes, and send information back to machines. This tool connects your controller to a messaging service for seamless communication between PLC and mobile operating systems.

**Highlights:** Transmit process data, Monitor status changes, Send information back to machine, Connect TwinCAT controller to messaging service, Publish-subscribe pattern integration, Easy IT network integration

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

**In-app purchases:** none


## Frequently asked questions

### Is MqttClient free?

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

### Is TwinCAT IoT Communicator free?

TwinCAT IoT Communicator is free to download, with no in-app purchases.

### Which has better reviews, MqttClient or TwinCAT IoT Communicator?

TwinCAT IoT Communicator is rated higher. MqttClient averages 1.0 out of 5 from 1 ratings, while TwinCAT IoT Communicator averages 5.0 from 4 ratings.

### Do MqttClient or TwinCAT IoT Communicator have ads?

Neither MqttClient nor TwinCAT IoT Communicator shows ads.

### Which is updated more often, MqttClient or TwinCAT IoT Communicator?

MqttClient ships an update every 10 months, and TwinCAT IoT Communicator every 2 months. Most recently, MqttClient was updated on October 6, 2026 and TwinCAT IoT Communicator on September 28, 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.*