MqttClient vs TwinCAT IoT Communicator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MqttClient
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.
- MQTT client functionality
- Broker server testing
- Topic monitoring
- Send and receive messages
- Save configurations
- User/password authentication
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A simple and fast client for Mqtt, the "internet of things protocol" It can be use for test your Broker server , check if the broker it's online, check your topics. You can send messages and read messages from a topic, you can set user, password, client id, topic, port and server ip. You can save a configuration for fast test. The tool it's made for test activities on Mqtt server Broker, no SSL support at now. Don't insert in HOST "tcp://" only host name or ip
TwinCAT IoT Communicator
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.
- 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
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The TwinCAT 3 IoT Communicator ("TF6730") makes it possible to easily transmit process data to multiple end devices, monitor status changes and send information back to the machine. The TwinCAT 3 IoT Communicator connects the TwinCAT controller to a messaging service, making it easy to set it up within the TwinCAT engineering environment to send and receive messages between the PLC and mobile operating systems. Since the TwinCAT 3 IoT Communicator is based on the publish-subscribe pattern, it does not require any special firewall settings but can be easily integrated into an existing IT network. More information: http://www.beckhoff.com/TF6730 http://www.beckhoff.com/TF6735
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MqttClient | TwinCAT IoT Communicator |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Luca Ceci | Beckhoff Automation GmbH |
Customer experience
MqttClient
TwinCAT IoT Communicator
In-app purchases
MqttClient
No in-app purchases
TwinCAT IoT Communicator
No in-app purchases
Questions
Is MqttClient free?
Is TwinCAT IoT Communicator free?
Which has better reviews, MqttClient or TwinCAT IoT Communicator?
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