# TwinCAT IoT Communicator vs OE

TwinCAT IoT Communicator and OE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TwinCAT IoT Communicator | OE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/twincat-iot-communicator/id1113995901/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 116 MB | 45 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beckhoff Automation GmbH](https://appshunter.io/developer/859883375) | [Idwell GmbH](https://appshunter.io/developer/1269662593) |

## What reviewers say

### 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


### OE

[App page](https://appshunter.io/ios/app/oe-bau/id1562631463)

**In-app purchases:** none


## Frequently asked questions

### Is TwinCAT IoT Communicator free?

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

### Is OE free?

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

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

Neither TwinCAT IoT Communicator nor OE shows ads.

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

TwinCAT IoT Communicator ships an update every 2 months, and OE every 2 months. Most recently, TwinCAT IoT Communicator was updated on October 14, 2026 and OE on October 30, 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.*