# PLC Smart Home vs SIMATIC WinCC OA UI

The clearest difference is review sentiment: SIMATIC WinCC OA UI at 100% against PLC Smart Home's 0%. SIMATIC WinCC OA UI also leads on rating (5.0 vs 1.0). PLC Smart Home's advantage is iOS requirement (9.3 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

SIMATIC WinCC OA UI holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 0% of PLC Smart Home's written reviews are positive against 100% of SIMATIC WinCC OA UI's.

PLC Smart Home ships an update every 3 months, SIMATIC WinCC OA UI every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PLC Smart Home | SIMATIC WinCC OA UI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/plc-smart-home/id504181262/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simatic-wincc-oa-ui/id1073943068/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 22 MB | 70 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vorprogrammieren.de](https://appshunter.io/developer/504181265) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### PLC Smart Home

[App page](https://appshunter.io/ios/app/plc-smart-home/id504181262)

Control Crouzet and Mitsubishi-Electric PLC units for home automation. Connect locally via WLAN or remotely via cellular networks. Offers a cost-effective alternative to complex smart home systems.

**Highlights:** PLC control access, Local WLAN connectivity, Remote GSM/2G/3G communication, Home automation, Cost-effective automation solution, Supports Millenium and Alpha units

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMATIC WinCC OA UI

[App page](https://appshunter.io/ios/app/simatic-wincc-oa-ui/id1073943068)

Monitor and control your SIMATIC WinCC OA plant remotely from your smartphone or tablet. Access the same powerful functionality as the desktop interface, ensuring secure and reliable real-time operation from anywhere.

**Highlights:** Remote plant monitoring, Real-time control, Multiple system connections, Secure data transmission, Intuitive mobile interface

**In-app purchases:** none


## Frequently asked questions

### Is PLC Smart Home free?

PLC Smart Home is free to download, with no in-app purchases.

### Is SIMATIC WinCC OA UI free?

SIMATIC WinCC OA UI is free to download, with no in-app purchases.

### Which has better reviews, PLC Smart Home or SIMATIC WinCC OA UI?

SIMATIC WinCC OA UI is rated higher. PLC Smart Home averages 1.0 out of 5 from 1 ratings, while SIMATIC WinCC OA UI averages 5.0 from 2 ratings.

### Do PLC Smart Home or SIMATIC WinCC OA UI have ads?

Neither PLC Smart Home nor SIMATIC WinCC OA UI shows ads.

### Which is updated more often, PLC Smart Home or SIMATIC WinCC OA UI?

PLC Smart Home ships an update every 3 months, and SIMATIC WinCC OA UI every 2 months. Most recently, PLC Smart Home was updated on November 1, 2026 and SIMATIC WinCC OA UI on November 6, 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.*