# TwinCAT IoT Communicator — Monitor and control TwinCAT > TwinCAT IoT Communicator transmits, monitors, and controls TwinCAT process data to end devices. (iPhone/iPad app by Beckhoff Automation GmbH.) - Source: https://appshunter.io/ios/app/twincat-iot-communicator/id1113995901 (this page in markdown: same URL + `.md`) - Developer: [Beckhoff Automation GmbH](https://appshunter.io/developer/859883375) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 4 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 116 MB - Languages: American English, German (Germany) - Released: 2016-06-15 - Data updated: 2026-08-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/twincat-iot-communicator/id1113995901/reviews.md ## What is TwinCAT IoT Communicator? 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 ## Key features - 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 ## Frequently asked questions about TwinCAT IoT Communicator ### What is TwinCAT IoT Communicator used for? TwinCAT IoT Communicator allows you to transmit process data from TwinCAT controllers to multiple end devices, monitor status changes, and send information back to the machine. It acts as a bridge between your PLC and mobile operating systems. ### How does TwinCAT IoT Communicator connect to networks? It utilizes the publish-subscribe pattern, which means it does not require special firewall settings and can be easily integrated into an existing IT network. This makes setup straightforward for users. ### Is TwinCAT IoT Communicator free to use? Yes, TwinCAT IoT Communicator is available for free. There are no associated costs for downloading or using its core functionalities. ### What devices is TwinCAT IoT Communicator compatible with? TwinCAT IoT Communicator is supported on iPhone, iPad, and iPod devices. It is designed to work across Apple's mobile ecosystem. ### How often is TwinCAT IoT Communicator updated? The latest version of TwinCAT IoT Communicator is 1.6.26, last updated on March 23, 2026. This indicates a commitment to ongoing development and maintenance. ### What is the age rating for TwinCAT IoT Communicator? TwinCAT IoT Communicator has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals, though its primary utility is for industrial applications. ### Does TwinCAT IoT Communicator have ads? No, TwinCAT IoT Communicator does not contain advertisements. As a free utility app, it provides an uninterrupted user experience without any ad interruptions. ### What is the user sentiment for TwinCAT IoT Communicator? User sentiment appears to be very positive, with an average rating of 5.0 stars from 4 ratings. This indicates a high level of satisfaction among its current users. ## Version history (last 5 releases) ### 1.8.0 — 2026-08-05 Thank you for using the TwinCAT IoT Communicator App! This update contains the following new features: • Added new widgets: StatusLED, TrafficLight & Stepper • Reworked the connection setup to support identity provider and System Trust Store • New design for settings page • nError flag support for all widgets & structures • nState flag support for lighting & blinds • Implemented auto-opening of last connected device • Optimized the ColorPicker popup ### 1.6.26 — 2026-03-23 Thank you for using the TwinCAT IoT Communicator App! This update contains the following new features: • Added possibility to rename the 5 message types • Optimized some UI elements ### 1.6.24 — 2026-03-10 Thank you for using the TwinCAT IoT Communicator App! This update contains the following new features: • Added possibility to rename the 5 message types • Optimized some UI elements ### 1.6.22 — 2025-11-07 Thank you for using the TwinCAT IoT Communicator App! This update contains the following new features: • Light or dark theme can be set independently of the system default • Limitation of decimal places is now supported by all widgets, arrays, and standard data types ### 1.6.20 — 2025-10-07 Thank you for using the TwinCAT IoT Communicator App! This update contains the following new features: • Changing the text color of values via PLC attributes • Adding symbols to values via PLC attributes • Updating device icons with custom images from the PLC • Optimization of the TimeSwitch widget in read-only mode • Adding feedback when deleting a device • UI Optimization for the new iOS 26 design (liquid glass) ## Apps similar to TwinCAT IoT Communicator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mauto IOT](https://appshunter.io/ios/app/mauto-iot/id6474302181) | 2.0 (1) | Free | Utilities | | [Digi - the Butler](https://appshunter.io/ios/app/digi-the-butler/id1491010335) | — | Free | Utilities | | [Pyxis Cloud](https://appshunter.io/ios/app/pyxis-cloud/id1491706352) | — | Free | Utilities | | [MQTT-Client](https://appshunter.io/ios/app/mqtt-client/id6443841176) | — | Free | Utilities | | [Visual Home](https://appshunter.io/ios/app/visual-home/id1347968525) | 1.0 (1) | Free | Utilities | | [Mqtizer](https://appshunter.io/ios/app/mqtizer/id6475204816) | — | Free | Utilities | ## More apps by Beckhoff Automation GmbH - [BECKHOFF Diagnostics](https://appshunter.io/ios/app/beckhoff-diagnostics/id1639306362) All apps by Beckhoff Automation GmbH: https://appshunter.io/developer/859883375 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*