Privacy Policy
Last updated: July 2026
This is an English translation for your convenience. The German version linked above is legally binding.
1. Data Controller
Alexander Baum
Email: support@piworks.de
Website: piworks.de
2. This Website
2.1 Server Log Files
When you visit this website, our hosting provider automatically collects and stores technical connection data transmitted by your browser in server log files (IP address, date and time of the request, page requested, browser type, referrer URL). This data is used exclusively for the technically error-free operation and security of the website and is not combined with other data sources. The legal basis is Art. 6(1)(f) GDPR (legitimate interest).
2.2 Cookies and Tracking
This website does not use cookies and does not use any analytics or tracking tools (e.g. Google Analytics). No third-party content (e.g. external fonts, maps) that transmits data to third parties is embedded.
2.3 Contact
This website does not have a contact form. If you write to us by email, we process your details exclusively to handle your inquiry (Art. 6(1)(b) GDPR).
3. The Smart Control App
Smart Control does not process any personal data.
The app works entirely locally on your home network and without an internet connection. No user data is collected, stored, or transmitted to third parties.
The following data is stored locally on your device only:
- Configuration data (KNX gateway IP, port)
- Rooms and devices you create (name, KNX group address)
- App settings (language, appearance)
This data never leaves your device.
3.1 Permissions
The app requires the following Android permission:
- Internet access (INTERNET): used exclusively for the local UDP connection to the KNX IP gateway on your home network. No connection to the internet.
3.2 Third Parties
The app does not use any analytics tools, advertising services, or third-party SDKs that collect data.
3.3 Children
The app is not directed at children under 16 years of age.
4. Your Rights
Regarding this website's server log files, you have the statutory rights to access, rectification, erasure, and restriction of processing under Art. 15–18 GDPR. These claims do not apply to the app, as no personal data is processed – all app data resides on your device and can be completely removed at any time by uninstalling the app.
5. Contact
For questions about this privacy policy: support@piworks.de