# TC Mobile I/O

> SMS relay control and status monitoring for TC MOBILE I/O X200. (iPhone/iPad app by Phoenix Contact GmbH & Co. KG.)

- Source: https://appshunter.io/ios/app/tc-mobile-io/id1139160079 (this page in markdown: same URL + `.md`)
- Developer: [Phoenix Contact GmbH & Co. KG](https://appshunter.io/developer/426916392)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0.0 · 12 MB
- Languages: American English
- Released: 2016-11-16
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/tc-mobile-io/id1139160079/reviews.md

## What is TC Mobile I/O?

This app supports you in using the TC MOBILE I/O X200 SMS relay (firmware version 2.0 or later). It indicates the device status, and sends the switching commands – the manual writing of SMS is no longer necessary.

Other functions and features:
 - Data sheet download
 - Languages: German, English

## Key features

- Device status indication
- Send switching commands
- Eliminates manual SMS writing
- Data sheet download
- Multilingual support (German, English)

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/tc-mobile-io/id1139160079/reviews.md

### 5/5 — Einfach und übersichtlich

*2018-10-23, version 1.1.1*

Macht es sehr Übersichtlich die Daten auch von mehreren Geräten abzufragen.

### 5/5 — TC Mobile App

*2018-04-05, version 1.1.1*

Sehr nützliches Werkzeug für das SMS-Relais von Phoenix Contact.

## Frequently asked questions about TC Mobile I/O

### What is TC Mobile I/O used for?

TC Mobile I/O supports users in operating the TC MOBILE I/O X200 SMS relay. It allows you to monitor the device's status and send switching commands directly through the app, removing the need to manually compose SMS messages.

### What devices is TC Mobile I/O compatible with?

TC Mobile I/O is available for iPhone and iPod devices. It requires firmware version 2.0 or later for the TC MOBILE I/O X200 SMS relay.

### Is TC Mobile I/O free to use?

Yes, TC Mobile I/O is available for free. There are no in-app purchases or subscription fees associated with its use.

### Does TC Mobile I/O have ads?

No, TC Mobile I/O does not contain advertisements. It is a completely ad-free application.

### What languages does TC Mobile I/O support?

TC Mobile I/O supports both German and English languages. Users can switch between these language options within the application settings.

### Can I download datasheets through TC Mobile I/O?

Yes, TC Mobile I/O provides the functionality to download datasheets. This feature is accessible directly within the application.

### How often is TC Mobile I/O updated?

The latest version of TC Mobile I/O is 1.3.3, last updated on March 2, 2026. While specific update frequency isn't detailed, this indicates ongoing support and development.

### What is the age rating for TC Mobile I/O?

TC Mobile I/O has an age rating of 4+. This suggests it is suitable for a wide range of users, including children.

## Version history (last 5 releases)

### 1.3.3 — 2026-03-02

Note:
This app will be discontinued on 01-11-2027.
Until then, deactivate the APP communication in the TC MOBILE I/O devices.
Please use call/SMS or email to communicate with the TC MOBILE I/O.


- New feedback option regarding "DIGITAL SERVICES ACT" has been added

- Improvements and optimizations

### 1.3.2 — 2023-06-14

- Devices can be edited by swipeout (left swipe) to change phone number or password.
- Polling setting removed. Now permanently active and with fixed value of 1 second.
- Error messages now contain the device name instead of the serial number
- Improvements and optimizations

### 1.2.1 — 2019-07-23

Supports the new TC MOBILE I/O X200-4G and TC MOBILE I/O X200-4G AC devices
Bug fixes/improvements

### 1.1.1 — 2017-09-14

- GTC have to be accepted when first starting the app
- Vibrating alert can be activated/deactivated
- Improved communication with app server
- Optimized user interface
- Bugs in user interface and program sequence corrected

### 1.0.0 — 2016-11-16

No release notes.

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## More apps by Phoenix Contact GmbH & Co. KG

- [PHOENIX CONTACT Catalog](https://appshunter.io/ios/app/phoenix-contact-catalog/id426916389)
- [PHOENIX CONTACT VISU+ mobile](https://appshunter.io/ios/app/phoenix-contact-visu-plus-mobile/id847329592)
- [Signal Conditioner](https://appshunter.io/ios/app/signal-conditioner/id943455634)
- [PHOENIX CONTACT MARKING system](https://appshunter.io/ios/app/phoenix-contact-marking-system/id1108582487)
- [PLC logic](https://appshunter.io/ios/app/plc-logic/id1127456817)

All apps by Phoenix Contact GmbH & Co. KG: https://appshunter.io/developer/426916392

## Related topics

[tuist gmbh](https://appshunter.io/ios/topics/tuist-gmbh)

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*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 2026-06-01.*