Privacy Policy – App Eschborn Shock Ventilation Humidity Calculator (Eschborner Stoßlüften Luftfeuchtigkeitsrechner)
Last update: November 17, 2025
1. Data Controller
Dr. Jan Weyer-Menkhoff
Burgstr. 2
65760 Eschborn, Germany
Email: info25@softwareentwickler-weyer-menkhoff.de
2. Data Processing by the App Store
When downloading the app, certain necessary information is transmitted to the operator of the app store you are using (e.g., Google Play Store). This may include information such as e.g. your username, your email address, your account ID, the time of download, payment information, and the individual device identifier. The respective app store operator is solely responsible for this data processing. These processes are outside of my sphere of influence and I am not responsible for them.
3. General Information
This app processes personal data in accordance with the GDPR, the German Federal Data Protection Act (BDSG), and the Telemedia Data Protection Act (TTDSG).
4. Data Collected and Purposes
During app usage, the following data may be processed locally:
- Input data for calculating room humidity (e.g. temperature, relative humidity, residential space information)
Processing occurs exclusively locally on the device. No personal data is transmitted over the Internet or to third parties.
5. No Data Sharing
Data remains on the device and is not transmitted to the developer or third parties.
6. Third-Party Services
No external services are used. The app contains no ads and no embedded content.
7. Legal Basis
Processing is based on Art. 6(1)(b) GDPR (DSGVO) (performance of a contract).
8. Data Transfer to Third Countries
No data is transferred to countries outside the EU.
9. Storage Duration
Data is stored only as long as necessary to achieve the purpose.
10. Rights of Data Subjects
- Access to stored data (Art. 15 GDPR)
- Correction of inaccurate data (Art. 16 GDPR)
- Deletion of data (Art. 17 GDPR)
- Restriction of processing (Art. 18 GDPR)
- Objection to processing (Art. 21 GDPR)
- Complaint to a data protection authority
11. Competent Supervisory Authority
Der Hessische Beauftragte für Datenschutz und Informationsfreiheit (HBDI)
Gustav-Stresemann-Ring 1
65189 Wiesbaden
12. Deletion of Data
You can delete the stored data yourself. To do so, in the menu, go to "Privacy Policy" and click the "Delete Data" button.
13. Contact for Privacy Concerns
Dr. Jan Weyer-Menkhoff
Email: info25@softwareentwickler-weyer-menkhoff.de
14. Data Security
The app uses Android security mechanisms (app sandboxing, permission management, device storage encryption). No data is transmitted over the Internet. Complete protection from unauthorized access cannot be fully guaranteed.
15. Note for Google Play Store
The app does not transmit personal data to Google or other third parties.
16. Changes
We reserve the right to update this privacy policy as needed. The current version is available in the app and in the Play Store.