# iS7 vs SIMATIC WinCC OA UI

The clearest difference is price: SIMATIC WinCC OA UI at Free against iS7's $14.99. SIMATIC WinCC OA UI also leads on in-app purchases (none vs 1). iS7's advantage is iOS requirement (12.0 vs 14.0). On update cadence, ads and device support there is nothing between them.

SIMATIC WinCC OA UI is free to download; iS7 costs $14.99 up front. iS7 sells 1 one-off in-app purchase. SIMATIC WinCC OA UI asks for nothing beyond the download.

iS7 ships an update every 3 months, SIMATIC WinCC OA UI every 2 months. The most recent releases landed on December 9, 2025 and September 1, 2026 respectively.

## The numbers

| Metric | iS7 | SIMATIC WinCC OA UI |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simatic-wincc-oa-ui/id1073943068/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 45 MB | 70 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Trotti](https://appshunter.io/developer/594070838) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### iS7

[App page](https://appshunter.io/ios/app/is7/id594070835)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarms | $2.99 | one-time |


### 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 iS7 free?

iS7 costs $14.99, and also offers in-app purchases.

### Is SIMATIC WinCC OA UI free?

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

### Do iS7 or SIMATIC WinCC OA UI have ads?

Neither iS7 nor SIMATIC WinCC OA UI shows ads.

### Which is updated more often, iS7 or SIMATIC WinCC OA UI?

iS7 ships an update every 3 months, and SIMATIC WinCC OA UI every 2 months. Most recently, iS7 was updated on December 9, 2025 and SIMATIC WinCC OA UI on September 1, 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.*