Privacy Policy

Who we are

KakuroZen is operated by Anvil Road LLC. When this policy says “we,” “us,” or “our,” it means Anvil Road LLC.

What data we collect

We collect:

• Email address (if you sign up for the newsletter or create an app account)
• Puzzle progress and statistics (stored locally on your device or in your account if you sign in)
• Anonymous usage data through privacy-focused analytics (page views, app opens, puzzle completions)
• Device type and operating system version (for crash reporting)

What we do not collect

• We do not sell your data to third parties
• We do not collect your location
• We do not track you across other websites or apps
• We do not use your data for targeted advertising

How we use your data

• To send you the weekly puzzle newsletter (if you opted in)
• To sync your puzzle progress across devices (if you created an account)
• To fix bugs and improve the app
• To understand which puzzles and features are most popular

Cookies

This website uses essential cookies to remember your preferences. We use privacy-focused analytics that do not require tracking cookies. We do not use third-party advertising cookies.

Third-party services

We use the following third-party services:

• Hosting: Vercel (for the website)
• Analytics: Privacy-focused analytics provider
• Email: Newsletter delivery service
• App distribution: Apple App Store and Google Play Store

Your rights

You can:

• Unsubscribe from the newsletter at any time with one click
• Delete your app account and all associated data
• Request a copy of your data
• Contact us with any privacy questions

Children

Our app and website are suitable for all ages. We do not knowingly collect personal data from children under 13. The app can be used without creating an account, and no personal data is collected in that case.

Changes to this policy

We may update this policy from time to time. The “last updated” date at the top of this page will change when we do. If we make a significant change, we will notify newsletter subscribers by email.

Contact

For privacy questions, contact Anvil Road LLC through the feedback form in the KakuroZen app or email us at the address listed in the app settings.