# Unified-E — Industrial Automation HMI

> Industrial Automation HMI (iPhone/iPad app by Unified-E AG.)

- Source: https://appshunter.io/ios/app/unified-e/id1084656253 (this page in markdown: same URL + `.md`)
- Developer: [Unified-E AG](https://appshunter.io/developer/1084656252)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.2 · 184 MB
- Languages: American English, German (Germany)
- Released: 2016-03-03
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/unified-e/id1084656253/reviews.md

## What is Unified?

This app allows hosting different HMIs to monitor and control a plant or machine.
You can create the HMIs with the Unified-E App Designer and publish them on the Unified-E App Manager.

Unified-E is a software product which is used to operate machines or plants with a smartphone. App development time is drastically reduced by using the "Unified-E App Designer" software, where you can define both the HMI views and push notifications for your individual HMI app.
No app programming knowledge is required. There is a Gateway PC required which connects smartphone with machine and ensures that communication is secured and only granted for authorized users. The "Pro" license also allows operating a machine via the Internet without performing any configuration on the firewall or router. By now there are already multiple Unified-E endpoint adapters, e. g. for the S7-, ControlLogix-, Modbus- or OPC UA interface.
The software, user manuals, licenses and further information can be found on the website ww.unified-e.com. For developers and integrators all licenses are for free.


## Version history (last 5 releases)

### 3.2.0 — 2026-08-26

New “Scan Button” view element for scanning barcodes with the camera. Enhanced options for time charts: legend text and axis labels can be hidden per data series, and configured minimum/maximum values can be enforced as fixed limits. The recipe table now allows recipes to be saved based on the current setpoints, even if no recipe has been loaded yet.

### 3.1.22 — 2026-06-05

Troubleshooting for input fields with scaling factors and integer datapoints, plus minor bug fixes.

### 3.1.18 — 2026-05-19

Bugfix when connecting to the Unified-E App Manager with remote IP address.

### 3.1.17 — 2026-05-10

Improvements for connection interruptions during direct communication.

### 3.1.15 — 2026-04-15

Support for IP surveillance cameras using the RTSP protocol. Revised view element "Exit Button" - now with the option to either close the Unified-E Client or app, or navigate to "Registered Apps". App settings extended with kiosk mode and restrictions.

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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 2026-09-01.*