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Cookie policy

Cookies and browser storage

Zwyn uses cookies and browser storage to keep the service working, remember basic preferences, and support account access. We do not use analytics, advertising, or marketing cookies.

What we store

Zwyn may store the following information in cookies or browser storage:

  • Authentication and session data to keep you signed in and protect account-only areas.
  • Language preference to remember the language you selected, where permitted.
  • Cookie preference to remember whether you accepted or declined optional storage.
  • Local app settings to keep basic interface preferences working between visits.

Why we use them

These values are used to keep core features working, such as authentication, account access, language selection, cookie preferences, and basic app behavior.

Analytics and marketing

Zwyn does not use analytics, advertising, or marketing cookies. We do not use cookies to track you across other websites.

Can I disable cookies?

You can disable or clear cookies and browser storage in your browser settings. If you disable required storage, Zwyn may not work correctly and you may need to sign in again.

Third-party services

Authentication is provided through Firebase Authentication. Firebase may use browser storage required for sign-in and account security. Zwyn does not use additional third-party analytics or advertising services.

Updates

We may update this policy if our use of cookies or browser storage changes. The latest version will always be available on this page.

Contact

For questions about cookies and browser storage, contact: support@zwyn.ch

Last updated: 28.06.2026