Cookie Policy
Last updated: July 1, 2026
What are cookies?
Cookies and similar technologies are small files or stored values that help websites and apps remember preferences, keep sessions secure, and understand how services are used.
How Sudoku Guru uses cookies
On the web app, we use essential storage to remember your game progress, settings, language, and cookie preferences. If you use the free version with advertising enabled in your cookie preferences, Google AdSense may use cookies or similar technologies to deliver and measure ads on the website. Mobile apps may use Google AdMob for advertising.
Essential cookies
These are required for core functionality, including saving Sudoku progress, preferences, and anonymous tournament identity. They cannot be disabled if you want to use Sudoku Guru normally.
Advertising cookies
On the web, Google AdSense and similar partners may set cookies to show ads and limit repeat impressions when you opt in to advertising cookies. Ad-free purchasers and Sudoku Guru Plus subscribers do not see ads.
Managing preferences
You can update your cookie choices anytime on our Cookie Preferences page. You can also control ad personalization in your browser or device settings.
Third-party services
Third parties such as Google AdMob, Google AdSense, Stripe, Apple App Store, Google Play, and RevenueCat may process data under their own privacy policies when you use related features.
Contact
Questions about cookies? Email privacy@sudokuguru.app.