SIMATIC WinCC OA UI3.21.6
Publisher Description
SIMATIC WinCC OA UI -Secure, full-featured remote access to your SIMATIC WinCC OA system.
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 SIMATIC WinCC OA UI
The company that develops SIMATIC WinCC OA UI is Siemens AG. The latest version released by its developer is 3.21.6.
To install SIMATIC WinCC OA UI on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 157 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the SIMATIC WinCC OA UI as malware as malware if the download link to com.siemens.winccoaui is broken.
How to install SIMATIC WinCC OA UI on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the SIMATIC WinCC OA UI is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by SIMATIC WinCC OA UI will be shown. Click on Accept to continue the process.
- SIMATIC WinCC OA UI will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 3.21.6
posted on 2026-10-14
Updated to latest WinCC OA version 3.21
Enhanced compatibility with the latest WinCC OA features
- Qt Upgrade to V6.8.8
- Update of OpenSSL library to version 3.5.8
- The Android target API level for Mobile UI has been updated to 36
version 3.21.6
posted on 2026-10-14
Updated to latest WinCC OA version 3.21
Enhanced compatibility with the latest WinCC OA features
- Qt Upgrade to V6.8.8
- Update of OpenSSL library to version 3.5.8
- The Android target API level for Mobile UI has been updated to 36
version 3.21.5
posted on 2026-08-20
Updated to latest WinCC OA version 3.21
Enhanced compatibility with the latest WinCC OA features
version 3.21.3
posted on 2026-05-28
Updated to latest WinCC OA version 3.21
Enhanced compatibility with the latest WinCC OA features
The version and build date information is missing in the startup logs of the Mobile UI on Android.
version 3.21.2
posted on 2026-04-10
Updated to latest WinCC OA version 3.21
Enhanced compatibility with the latest WinCC OA features
Improved Mobile UI startup performance when using OIDC authentication
Updated Qt framework to version 6.8.6
version 3.21.1
posted on 2026-03-02
Upgrade to WinCC OA Version 3.21
Extended compatibility with new WinCC OA features
Improved stability and future readiness
- Connection to older SSA server projects not possible with 3.21 release version of the app (3.21, main)
- Sending log files to the web server does not work when connecting via Azure AD Application Proxy
- Integrate Intune SDK into support/3.21 branch
version 3.20.9
posted on 2025-09-25
- The Android target API level for Mobile UI has been updated to 35
- General improvements and bug fixes
version 3.20.7
posted on 2025-06-12
The performance when opening the UI and cached panels is improved while using config entry “autoUpdateDir” for Desktop UI and Mobile UI.
version 3.20.6
posted on 2025-05-06
Fixed problems:
SVG image is incorrectly displayed in a table cell with pattern center when using MobileUI.
version 3.20.4
posted on 2025-02-25
Mobile User Interface App of the latest WinCC Open Architecture Version 3.20.
Fixed problems: Mobile UI can get unresponsive for some time after scrolling with touch gesture.



