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 blockingWhat 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:
- Feedback type, message and suggested correction.
- Optional email address if you provide one.
- App name, app version, platform, content ID and language code.
- Technical security data: IP address and user agent, used for spam prevention.
How feedback data is protected
Feedback submissions are designed to avoid storing sensitive identifiers in cleartext.
- IP address is hashed for spam and security blocking.
- User agent is hashed for spam and security blocking.
- Email address, if provided, is hashed so repeat reports can be recognized without storing the address in cleartext.
- IP address and user agent may also be stored encrypted for short-term troubleshooting, then deleted after 30 days.
- Security hashes may be kept longer for abuse prevention and spam blocking.
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
- To operate the website and app-related services.
- To receive, review and act on feedback reports.
- To prevent spam, abuse and repeated malicious submissions.
- To troubleshoot technical issues.
- To improve content quality, translations and app functionality.
Retention
- Encrypted IP and user agent data from feedback is deleted after 30 days.
- Feedback content may be kept while it is relevant for review, fixes or audit trail.
- Optional email may be kept while the related feedback or support need remains active.
- Security hashes and block records may be kept longer to prevent abuse and spam.
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.
- You can use app content without an account.
- You do not need to provide an email address when sending feedback.
- You can choose not to send feedback to avoid data collection.
- You can ask for access, correction or deletion of data related to you where applicable.
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.