TwinCAT IoT Communicator vs IotSong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
IotSong
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Download IotSong for the convenience of managing devices
Screenshots
Verdict
The clearest difference is update cadence: IotSong at weekly against TwinCAT IoT Communicator's every 2 months. On price, ads, in-app purchases and device support 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 ships an update every 2 months, IotSong weekly. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.
| Parameter | TwinCAT IoT Communicator | IotSong |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 116 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | Beckhoff Automation GmbH | Rivol International LLC |
In-app purchases
TwinCAT IoT Communicator
No in-app purchases
IotSong
No in-app purchases
Questions
Is TwinCAT IoT Communicator free?
Is IotSong free?
Do TwinCAT IoT Communicator or IotSong have ads?
Which is updated more often, TwinCAT IoT Communicator or IotSong?
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