Comparison

SIMATIC WinCC OA UI vs PLC Simulator 2, Ladder Logic

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

PLC Simulator 2, Ladder Logic

This application enables students and professionals to test and explore basic PLC programming using ladder logic on their mobile devices. It supports various instructions, configurable rungs, and includes interactive animations for a hands-on learning experience. Save and modify up to 20 programs, with preloaded examples to aid understanding.

Highlights
  • Configurable rungs
  • Input/Output descriptions
  • Ladder logic simulation
  • Save up to 20 programs
  • Interactive animations
  • Preloaded example programs
Features
Read full description

This app allows PLC students (Electricians, apprentices and college students) to test their small homework assignments using their phone and explore basic PLC programming. It has input instructions, outputs, timers, counters, latches, unlatches and compare blocks, each rung is FULLY configurable with 6 instruction long and 4 instructions deep. Features include: - Three Interactive animations. - Includes the code to run animation 3, "Bottling Plant". - Input and Output descriptions. - Rung descriptions. - 25 programmable rungs. - Simple to construct and run PLC ladder logic. - Save up to 40 programs. - Includes 5 preloaded example programs that can be modified to see the affects of the changes. - It’s FREE with NO ADVERTISEMENTS. --- (Makes it a great learning tool for instructors to help their students to learn ladder logic.) --- Give it a try, I think you will like it.

Screenshots

SIMATIC WinCC OA UI1 screens
PLC Simulator 2, Ladder Logic4 screens

Verdict

The call

The clearest difference is update cadence: PLC Simulator 2, Ladder Logic at every 6 days against SIMATIC WinCC OA UI's every 2 months. PLC Simulator 2, Ladder Logic also leads on ratings volume (121 vs 2). SIMATIC WinCC OA UI's advantage is review sentiment (100% vs 84%). On price, rating, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SIMATIC WinCC OA UI against 4.9 for PLC Simulator 2, Ladder Logic. That said, the two scores are not equally well evidenced: PLC Simulator 2, Ladder Logic has 121 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of SIMATIC WinCC OA UI's written reviews are positive against 84% of PLC Simulator 2, Ladder Logic's.

UpkeepUpdate frequency

SIMATIC WinCC OA UI ships an update every 2 months, PLC Simulator 2, Ladder Logic every 6 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
SIMATIC WinCC OA UI versus PLC Simulator 2, Ladder Logic: the parameters behind the verdict, then further details
ParameterSIMATIC WinCC OA UIPLC Simulator 2, Ladder Logic
PriceFreeFree
Rating5.0 (2 ratings) — better4.9 (121 ratings)
Positive reviews100.0% of reviews — better84.0% of reviews
Number of ratings2121 — better
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size70 MB29 MB
Age rating4+4+
DeveloperSiemens AGDavid White

Customer experience

SIMATIC WinCC OA UI

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PLC Simulator 2, Ladder Logic

All ratings118 ratings
Positive98.3%
Neutral1.7%
Negative0.0%
Written reviews25 reviews
Positive84.0%
Neutral8.0%
Negative8.0%

In-app purchases

None

SIMATIC WinCC OA UI

No in-app purchases

None

PLC Simulator 2, Ladder Logic

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 PLC Simulator 2, Ladder Logic free?
PLC Simulator 2, Ladder Logic is free to download, with no in-app purchases.
Which has better reviews, SIMATIC WinCC OA UI or PLC Simulator 2, Ladder Logic?
SIMATIC WinCC OA UI is rated higher. SIMATIC WinCC OA UI averages 5.0 out of 5 from 2 ratings, while PLC Simulator 2, Ladder Logic averages 4.9 from 121 ratings.
Do SIMATIC WinCC OA UI or PLC Simulator 2, Ladder Logic have ads?
Neither SIMATIC WinCC OA UI nor PLC Simulator 2, Ladder Logic shows ads.
Which is updated more often, SIMATIC WinCC OA UI or PLC Simulator 2, Ladder Logic?
SIMATIC WinCC OA UI ships an update every 2 months, and PLC Simulator 2, Ladder Logic every 6 days. Most recently, SIMATIC WinCC OA UI was updated on November 6, 2026 and PLC Simulator 2, Ladder Logic on November 3, 2026.

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