SIMATIC WinCC OA UI vs Electrical Calculation Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Electrical Calculation Tools
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Mobile Electrician Calculator is a powerful and easy-to-use tool designed for electricians, electrical engineers, students, and anyone working with electrical systems. This app brings essential electrical formulas and calculations right to your mobile device—making work faster, more accurate, and more convenient. Whether you're troubleshooting, designing circuits, or estimating power usage, the app offers precise calculators to save time and reduce errors. Key Tools Included: Ohm’s Law Calculator Quickly calculate voltage, current, resistance, or power with simple input fields. LC Resonance Calculator Find resonant frequency, inductance, and capacitance for AC circuits with accuracy. Delta–Y (Wye) Transformer Conversion Convert between Delta and Wye configurations in seconds—perfect for three-phase systems. Electrical Energy Calculator Estimate energy usage and cost of appliances for better planning and budgeting. Current Density Calculator Calculate current per unit area to select the right conductor size and prevent overheating. Designed for speed, accuracy, and convenience, Mobile Electrician Calculator is an essential tool for fieldwork, classroom learning, and electrical design. With its user-friendly interface and multiple built-in calculators, it simplifies complex math and helps users complete jobs more efficiently.
Screenshots
Verdict
The clearest difference is price: SIMATIC WinCC OA UI at Free against Electrical Calculation Tools's $1.99. SIMATIC WinCC OA UI also leads on update cadence (every 2 months vs every 5 months). Electrical Calculation Tools's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases 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; Electrical Calculation Tools costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SIMATIC WinCC OA UI ships an update every 2 months, Electrical Calculation Tools every 5 months. Both last shipped on October 24, 2026.
| Parameter | SIMATIC WinCC OA UI | Electrical Calculation Tools |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | Kantaben Gorasiya |
In-app purchases
SIMATIC WinCC OA UI
No in-app purchases
Electrical Calculation Tools
No in-app purchases
Questions
Is SIMATIC WinCC OA UI free?
Is Electrical Calculation Tools free?
Do SIMATIC WinCC OA UI or Electrical Calculation Tools have ads?
Which is updated more often, SIMATIC WinCC OA UI or Electrical Calculation Tools?
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