Last updated: April 2026
Calculix collects the following information when you create an account: email address, username, and game statistics. If you sign in with Google, we receive your Google account email and display name.
We use your information to: provide and improve the game experience, display leaderboards and statistics, enable multiplayer functionality, and process in-app purchases.
Calculix offers optional in-app purchases for game credits. Purchases are processed securely through Google Play. We do not store your payment information.
Your data is stored securely using Google Firebase services. We do not sell your personal information to third parties.
In multiplayer mode, your username is visible to other players. No other personal information is shared.
Calculix is not directed at children under 13. We do not knowingly collect personal information from children under 13.
We may update this privacy policy from time to time. We will notify users of any significant changes.
If you have questions about this privacy policy, please contact us at: muratyk@gmail.com