iS7 vs SIMATIC WinCC OA UI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iS7
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--- Industrial automation tool --- Read and write variables on Siemens S7 PLC (input, output, timer, counter, memory and data block) Manage a virtual push button for remote operations, with configurable I/O, for custom use. Check operative status of S7.300 and S7.400 PLC Link the new S7.1200 and S7.1500 series and, on the last release, also the little LOGO PLC. For all detailed informations please visit support website. http://www.trotti.eu/iS7/index.html
SIMATIC WinCC OA UI
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.
- Remote plant monitoring
- Real-time control
- Multiple system connections
- Secure data transmission
- Intuitive mobile interface
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Stay in control of your SIMATIC WinCC OA plant - anytime, anywhere - with the WinCC OA UI App on your smartphone or tablet. Whether you're in the office, on the move, or on-site, you can monitor and intervene in real time. The app provides the same powerful functionality as the familiar desktop user interface - secure, reliable, and optimized for mobile use. Key Benefits at a Glance: - Flexible Remote Access: Monitor and control your plant from anywhere. - Multiple System Connections: Easily switch between different WinCC OA systems. - Secure Data Transmission: Connect via HTTP or HTTPS with optional SSL encryption. - Intuitive Operation: A familiar interface designed for mobile devices. Note: By downloading this app, you agree to the associated license agreements.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | iS7 | SIMATIC WinCC OA UI |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 45 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlo Trotti | Siemens AG |
In-app purchases
iS7
- Alarms$2.99
SIMATIC WinCC OA UI
No in-app purchases







