Privacy Policy

1. No Collection or Processing of Personal Data (App)

QuantumBlock is designed to operate entirely on your device. This applies to both the Android App and the QuantumBlock Website.

  • The app does not collect, store, or transmit any personal data.
  • All functions are executed locally on your device.
  • There is no communication with external servers for data collection purposes.

No personal data is processed within the meaning of Art. 4 and Art. 6 GDPR.

2. Use of Accessibility Service

QuantumBlock uses the Android Accessibility Service API to provide certain features. The Accessibility Service is used exclusively to:

  • Detect which app or website is currently active in the foreground
  • Block access to apps or websites you have defined in your blocklist

The Accessibility Service is NOT used to:

  • Read inputs such as keystrokes
  • Read content displayed inside other apps
  • Capture or process sensitive or personal data
  • Transmit any data to external servers or third parties

All processing takes place solely on your device.

3. Permissions

To function as intended, QuantumBlock requires the following permissions:

  • Usage Access (Usage Stats)To detect the currently used app.
  • Display over other appsTo show the blocking screen.
  • Notification Access (optional)To display the current protection status.

No personal data is collected through these permissions.

4. Website Analytics (Google Analytics)

This website uses Google Analytics, a web analytics service provided by Google LLC (“Google”).

IP Anonymization

IP anonymization is enabled. Your IP address is shortened before being transmitted to Google.

Legal Basis

The use of Google Analytics is based solely on your consent (Art. 6(1)(a) GDPR). Analytics is only activated if you explicitly agree through the Cookie Banner.

Data Processing

Google processes data on behalf of the operator of this website to provide analytics reports and related services.

International Data Transfer

Data may be processed on servers in the United States. Transfers are based on the EU–US Data Privacy Framework or Standard Contractual Clauses.

Opt-Out Options

You can withdraw your consent at any time via the Cookie Banner.

You can also install the browser add-on provided by Google:
https://tools.google.com/dlpage/gaoptout

5. Contact / Data Controller

Data Controller (Art. 4(7) GDPR):

Christoph Fechter
Geheimrat-Frank-Str. 1
94566 Riedlhütte
Email: info@quantumblock.app