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Open app privacy policy

Website Privacy Policy

Last updated: 2026-04-10

This Website Privacy Policy explains how HalfHalf ("we", "us", "our") processes

personal data when you visit https://halfhalf.app and related website pages.

1. Controller and Contact

  • Controller legal name and postal address: Konstantin Maurer, Mozartstr. 51, 72762 Reutlingen, Germany
  • Contact email: kjm.application@gmail.com
  • Website: https://halfhalf.app

2. Scope

This policy applies to data processed through:

  • Public website pages (for example Home, About, Help, legal pages)
  • Deep-link pages used for app-related web flows (for example join links)
  • Technical delivery and security of website content

This website policy does not replace the app privacy policy. For app processing, see:

  • https://halfhalf.app/privacy

3. Data We Process

We process the following categories of data:

3.1 Technical request data

  • IP address and network metadata
  • Date/time, requested URL, referrer URL, user agent, and HTTP status information
  • Security and anti-abuse request metadata

3.2 Device/browser data

  • Browser type/version
  • Operating system and device class
  • Language preferences and viewport-related technical data

3.3 Essential website storage data

  • Strictly necessary cookies or local storage entries needed for core website delivery,

security, and basic functionality

3.4 App deep-link input data

  • Join or route parameters submitted via URL (for example group join codes)
  • Validation results and related technical metadata needed to process that request

3.5 Communications data

  • Messages you send to us via email or support contact channels

4. Data We Do Not Intend to Process on the Website

  • We do not intentionally sell personal data.
  • We do not intentionally run cross-context behavioral advertising from website visitor data.
  • We do not intentionally collect payment card data on this website.
  • We do not offer website account creation or direct in-website subscription checkout.

5. Purposes and Legal Bases (GDPR/EEA/UK/Switzerland)

Depending on context, we rely on one or more of these legal bases:

5.1 Legitimate interests (Art. 6(1)(f) GDPR)

  • Website delivery, security, abuse prevention, and operational stability
  • Debugging incidents and defending legal claims
  • Maintaining service reliability and fraud prevention

5.2 Contract-related measures (Art. 6(1)(b) GDPR)

  • Processing website actions that are necessary to support use of the app service

(for example processing a join-link request)

5.3 Legal obligations (Art. 6(1)(c) GDPR)

  • Complying with legal requests and statutory obligations

5.4 Consent (Art. 6(1)(a) GDPR)

  • Any optional non-essential technologies, where required by law

6. How We Share Data

We share data only where necessary:

  • With hosting/infrastructure providers that deliver and secure the website
  • With service providers supporting app-related web flows
  • Where required by law, court order, or to protect rights and security

7. International Data Transfers

Website infrastructure or providers may process data in multiple regions.

Where personal data is transferred outside your jurisdiction, we rely on lawful transfer

mechanisms as applicable (for example adequacy decisions or Standard Contractual Clauses).

8. Data Retention

  • Technical request and security logs: retained only as long as needed for security,

troubleshooting, and legal compliance

  • Website operational data: retained according to purpose necessity
  • Contact communications: retained as needed to process requests and meet legal obligations

9. Your Rights

Subject to applicable law, you may have rights to access, correction, deletion,

restriction, portability, objection, and withdrawal of consent.

To exercise rights, contact: kjm.application@gmail.com

10. Children

This website is not directed to children below the minimum age required by applicable law.

11. Changes to This Policy

We may update this policy from time to time. We will update the "Last updated" date.

12. Contact and Complaints

For website privacy questions or requests:

  • kjm.application@gmail.com

You may also contact a competent supervisory authority.

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