# SIMATIC WinCC OA UI vs PLC Simulator, PLC Trainer

The clearest difference is rating: SIMATIC WinCC OA UI at 5.0 against PLC Simulator, PLC Trainer's 3.9. SIMATIC WinCC OA UI also leads on review sentiment (100% vs 75%). PLC Simulator, PLC Trainer's advantage is ratings volume (59 vs 2). On price, update cadence, ads and in-app purchases 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 3.9. That said, the two scores are not equally well evidenced: PLC Simulator, PLC Trainer has 59 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of SIMATIC WinCC OA UI's written reviews are positive against 75% of PLC Simulator, PLC Trainer's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 1, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | SIMATIC WinCC OA UI | PLC Simulator, PLC Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simatic-wincc-oa-ui/id1073943068/reviews)** | [3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews) |
| Number of ratings | 2 | **59** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 70 MB | 15 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### 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


### PLC Simulator, PLC Trainer

[App page](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777)

Learn the fundamentals of Programmable Logic Controllers (PLCs) with an interactive simulator. Experiment with basic programming concepts, including timers, counters, and logic instructions. Save your progress and revisit projects anytime.

**Highlights:** Interactive PLC simulator, Learn PLC basics, Experiment with programming, Save and load programs, Understand logic circuits, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIMATIC WinCC OA UI free?

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

### Is PLC Simulator, PLC Trainer free?

PLC Simulator, PLC Trainer is free to download, with no in-app purchases.

### Which has better reviews, SIMATIC WinCC OA UI or PLC Simulator, PLC Trainer?

SIMATIC WinCC OA UI is rated higher. SIMATIC WinCC OA UI averages 5.0 out of 5 from 2 ratings, while PLC Simulator, PLC Trainer averages 3.9 from 59 ratings.

### Do SIMATIC WinCC OA UI or PLC Simulator, PLC Trainer have ads?

Neither SIMATIC WinCC OA UI nor PLC Simulator, PLC Trainer shows ads.

### Which is updated more often, SIMATIC WinCC OA UI or PLC Simulator, PLC Trainer?

SIMATIC WinCC OA UI ships an update every 2 months, and PLC Simulator, PLC Trainer every 2 months. Most recently, SIMATIC WinCC OA UI was updated on September 1, 2026 and PLC Simulator, PLC Trainer on September 5, 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.*