Privacy policy

Privacy and data use.

This page covers how zyqero.com handles privacy for the website and its apps. Each app also has its own policy with app-specific details.

Last updated: 2026-07-06

App-specific policies

Each app published by zyqero.com has its own privacy policy. If you are using one of these apps, the app-specific policy applies alongside this site-level policy.

Knotly privacy policy — knot reference app

Summary

The apps published by zyqero.com are designed to work without requiring an account for core features. App data is stored locally on your device. Feedback sent to zyqero.com is voluntary and handled with minimal data collection.

No account requiredFeedback email optionalIP and user agent encrypted short-termHash-based spam blocking

What we collect

Website visits

Normal web server logs may be processed by the hosting provider for operation, security and troubleshooting.

Feedback reports

If you send feedback from any zyqero.com app or website, we may store:

How feedback data is protected

Feedback submissions are designed to avoid storing sensitive identifiers in cleartext.

Cookies

The public website does not use non-essential tracking cookies. A theme preference may be stored in local storage on your device. Admin areas may use necessary session cookies for login and CSRF protection.

Why we process data

Retention

Sharing

We do not sell personal data.

Data may be processed by hosting, infrastructure and technical service providers needed to run the website, database, email or app-related services.

Your choices

Contact: use the contact details on zyqero.com.

Svensk sammanfattning

Apparna från zyqero.com kräver inget konto för att använda innehållet. Feedback kan skickas frivilligt. E-post är frivilligt.

Vid feedback sparas teknisk information för säkerhet, felsökning och spamskydd. IP-adress och user agent lagras inte i klartext — de hashas. Krypterad IP och user agent gallras efter 30 dagar.