Comparison

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.

Head to head
About

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.

Highlights
  • Remote plant monitoring
  • Real-time control
  • Multiple system connections
  • Secure data transmission
  • Intuitive mobile interface
Read full description

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.

About

Electrical Calculation Tools

Features
Read full description

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

SIMATIC WinCC OA UI1 screens
Electrical Calculation Tools4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

SIMATIC WinCC OA UI ships an update every 2 months, Electrical Calculation Tools every 5 months. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
SIMATIC WinCC OA UI versus Electrical Calculation Tools: the parameters behind the verdict, then further details
ParameterSIMATIC WinCC OA UIElectrical Calculation Tools
PriceFree — better$1.99
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size70 MB37 MB
Age rating4+4+
DeveloperSiemens AGKantaben Gorasiya

In-app purchases

None

SIMATIC WinCC OA UI

No in-app purchases

None

Electrical Calculation Tools

No in-app purchases

Questions

Is SIMATIC WinCC OA UI free?
SIMATIC WinCC OA UI is free to download, with no in-app purchases.
Is Electrical Calculation Tools free?
Electrical Calculation Tools costs $1.99, with no in-app purchases.
Do SIMATIC WinCC OA UI or Electrical Calculation Tools have ads?
Neither SIMATIC WinCC OA UI nor Electrical Calculation Tools shows ads.
Which is updated more often, SIMATIC WinCC OA UI or Electrical Calculation Tools?
SIMATIC WinCC OA UI ships an update every 2 months, and Electrical Calculation Tools every 5 months. Most recently, SIMATIC WinCC OA UI was updated on October 24, 2026 and Electrical Calculation Tools on October 24, 2026.

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