Privacy Policy – 040 Level App

Privacy Policy – 040 Level App

As of: March 2026 | Version: 1.0

1. Controller

The controller within the meaning of the General Data Protection Regulation (GDPR) is:

  • Mixcover GmbH
  • Neumann-Reichardt-Str. 27-33
  • 22041 Hamburg
  • Germany
  • Email: shop@mixcover.de
  • Phone: +49 40 98241564
  • Managing Directors: Timo Plogstedt, Philip Bonmann
  • Commercial Register: HRB 173050, District Court of Hamburg
  • VAT ID No.: DE350528375

2. General Information on Data Processing

We generally only collect and use personal data of our users insofar as this is necessary to provide a functional app as well as our content and services. The collection and use of personal data of our users is regularly only carried out with the user's consent.

This app is not directed at children under 16 years of age. We do not knowingly collect any personal data from children.

3. Which Data Is Collected?

3.1 Technically Necessary Data (without Separate Consent)

This data is processed on the basis of our legitimate interest pursuant to Art. 6 (1) lit. f GDPR.

Crash reports and error messages (Crash Reporting):

  • Type and description of the error that occurred
  • Device type and manufacturer (e.g., "Samsung Galaxy S23")
  • Operating system and version
  • App version and build number
  • Anonymized device ID (only the last 4 characters, e.g., "...F2A7")
  • Timestamp of the error
  • Active screen and last actions performed (as anonymized breadcrumbs)

Anonymized BLE connection data:

  • Signal strength (RSSI value)
  • Connection duration and connection status
  • Sensor type and firmware version (where known)

3.2 Usage Analysis (only with consent)

If you consent to usage analysis (Art. 6 (1) lit. a GDPR), the following additional data is collected:

  • Which screens and functions are accessed
  • Which buttons and settings are used
  • Session duration and frequency of app use
  • Device information (model, operating system, language, screen size)

3.3 Location Data (only with separate consent)

The app can optionally use GPS-based location data to retrieve local weather data. The position is used exclusively for the weather display and is not stored permanently.

4. Purpose of Data Processing

  • Ensuring the technical functionality of the app
  • Detection, analysis, and resolution of program errors
  • App improvement based on anonymized usage behavior
  • Display of local weather data (with consent)

5. Legal Bases for Processing

Data Type Legal Basis
Crash Reports Art. 6 (1) lit. f GDPR (legitimate interest)
Usage Analysis (Analytics) Art. 6 (1) lit. a GDPR (consent)
Location Data (GPS) Art. 6 (1) lit. a GDPR (consent)

6. Third-Party Providers and Data Sharing

6.1 Sentry (Crash Reporting)

We use Sentry to analyze crashes and errors. The provider is Functional Software, Inc., 132 Hawthorne Street, San Francisco, CA 94107, USA. Data is processed on servers in the European Union (de.sentry.io). A Data Processing Agreement (DPA) pursuant to Art. 28 GDPR is in place.

Sentry's Privacy Policy

6.2 Google Firebase (Analytics & Crash Reporting)

We use Firebase Analytics and Firebase Crashlytics from Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland. Firebase Analytics can be deactivated at any time in the app (Settings > Privacy).

Google's Privacy Policy

6.3 Open-Meteo (Weather Data)

To display weather data, we use the Open-Meteo service. Only geographic coordinates are transmitted. No user profiles are created.

Open-Meteo's Privacy Policy

7. Storage Duration

Data Type Storage Duration
Crash Reports (Sentry) 90 days, then automatically deleted
Crash Reports (Firebase Crashlytics) 90 days, then automatically deleted
Firebase Analytics Data Until revocation (max. 14 months)
Local App Data (Settings, Calibration) Until the app is uninstalled
Location Data No permanent storage

8. Your Rights as a Data Subject

Under Art. 15-21 GDPR, you have the following rights:

  • Right of access (Art. 15 GDPR)
  • Right to rectification (Art. 16 GDPR)
  • Right to erasure (Art. 17 GDPR)
  • Right to restriction of processing (Art. 18 GDPR)
  • Right to data portability (Art. 20 GDPR)
  • Right to object (Art. 21 GDPR)
  • Right to lodge a complaint with the supervisory authority

9. Withdrawal of consent

You may withdraw any consent you have given at any time, with effect for the future.

Withdrawal within the app: Settings → Privacy & Analytics → Manage consents

Withdrawal by email: shop@mixcover.de

10. Data security

We implement technical and organisational security measures. Data transmitted to Sentry is encrypted (HTTPS/TLS). Local app data is stored in the secured app storage of the operating system.

11. Contact for data protection requests

  • Mixcover GmbH
  • Timo Plogstedt
  • Neumann-Reichardt-Str. 27-33, 22041 Hamburg
  • Email: shop@mixcover.de
  • Phone: +49 40 98241564

We generally process requests within 30 days.

12. Changes to this privacy policy

We reserve the right to amend this privacy policy. The current version is available in the app under Settings → Privacy.

This privacy policy applies exclusively to the 040 Level App. As of: March 2026 | Version 1.0