Comparison

iS7 vs SIMATIC WinCC OA UI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iS7

Features
Read full description

--- 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

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
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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

iS74 screens
SIMATIC WinCC OA UI1 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
iS7 versus SIMATIC WinCC OA UI: the parameters behind the verdict, then further details
ParameteriS7SIMATIC WinCC OA UI
Price$14.99Free — better
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size45 MB70 MB
Age rating4+4+
DeveloperCarlo TrottiSiemens AG

In-app purchases

1 purchases

iS7

One-time1
  • Alarms$2.99
None

SIMATIC WinCC OA UI

No in-app purchases

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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