SIMATIC WinCC OA UI

Secure, full-featured remote access to your SIMATIC WinCC OA system.

Siemens AG · com.siemens.winccoaui

Not rated yet 10K+ downloads v3.21.5 58.8 MB Android 8.0+ PEGI 3 · Everyone

Download APK 58.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.21.5 (321005001)
Updated: Aug 21, 2026 (2 months ago)
APK size: 58.8 MB
Requires: Android 8.0+ (API 26)
CPU support: ARM 64-bit
Category: Tools (app)
Listed since: Apr 19, 2021 (at least)
Permissions: 14 (5 sensitive)
Website: etm.at
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

SIMATIC WinCC OA UI is an app by Siemens AG in the Tools category, listed since at least April 2021. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

Since version 3.19.10, the APK grew from 45.4 MB to 58.8 MB and the minimum Android version rose from 5.0 to 8.0. It asks for 14 permissions, 5 of them sensitive, including precise location, camera and approximate location. It asks for the same permissions as version 3.21.4.

What's new in v3.21.5

Updated to latest WinCC OA version 3.21 Enhanced compatibility with the latest WinCC OA features

Description

From the listing uploaded by “appupdater”.

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.

Version history

5 versions are listed, going back to v3.19.10. New versions arrive here every few months. Since v3.20.9 it requires Android 8.0+.

v3.21.5 LATEST Aug 21, 2026 58.8 MB TRUSTED v3.21.4 Jul 4, 2026 58.8 MB TRUSTED v3.21.3 May 29, 2026 58.5 MB TRUSTED v3.20.9 Feb 27, 2026 45.5 MB TRUSTED v3.19.10 Apr 26, 2024 45.4 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 21, 2026.
Certificate issued to “ETM professional control” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 21, 2026
Validated against Google Play Aug 21, 2026
Signed byCN=ETM, O=ETM professional control, L=Eisenstadt, C=AT, OU=WinCC_OA
Signing certificate (SHA-1)EA:BC:C1:10:6E:A9:72:8A:FC:E0:26:23:5C:EC:DE:DA:D7:B4:33:10
File MD5784bf0786698de1133fa3026508a1575
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (14)

SIMATIC WinCC OA UI requests 14 permissions, 5 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Camera Sensitive android.permission.CAMERA
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Nfc android.permission.NFC
Push messaging (app-defined) com.siemens.winccoaui.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Camera android.hardware.camera
Basic touch input android.hardware.faketouch

SIMATIC WinCC OA UI APK: questions and answers

Is there a version of SIMATIC WinCC OA UI for older Android phones?

The current version needs Android 8.0 or later. Version 3.19.10 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.19.10 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the SIMATIC WinCC OA UI APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 784bf0786698de1133fa3026508a1575.