Privacy Policy
Last updated: March 6, 2026
1. Overview
Logyx ("we", "our", or "us") operates the Logyx Sudoku platform at logyx.app. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.
2. Information We Collect
- Account information — when you sign in with Google OAuth, we receive your name, email address, and profile picture.
- Puzzle progress — your solve state, completion status, and in-progress moves are stored so you can resume puzzles across sessions.
- Usage analytics — we use Umami Analytics (a privacy-friendly, cookie-free tool) to collect anonymous page views and interaction events. No personal identifiers are tracked.
3. How We Use Your Information
- To authenticate you and maintain your account.
- To save and restore your puzzle progress.
- To understand how users interact with the app and improve the experience.
- We do not sell, rent, or share your personal data with third parties.
4. Cookies & Local Storage
We use browser local storage to remember your theme preference (light/dark mode) and temporary puzzle state. We do not use advertising cookies or third-party tracking cookies.
5. Data Retention
Account and puzzle data is retained as long as your account is active. You may request deletion of your account and associated data at any time by contacting us.
6. Third-Party Services
- Google OAuth — used for sign-in. Subject to Google's Privacy Policy.
- Umami Analytics — cookie-free, GDPR-compliant analytics. No personal data is shared.
7. Children's Privacy
Logyx is not directed at children under 13. We do not knowingly collect personal information from children.
8. Changes to This Policy
We may update this policy from time to time. Changes will be reflected by the "Last updated" date above. Continued use of the service after changes constitutes acceptance.
9. Contact
If you have questions about this policy or your data, please reach out via the feedback button on the app.