Math Master · Last updated: June 16, 2026
Welcome to Math Master. We are committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding your data.
By using Math Master, you agree to the collection and use of information as described in this policy.
| Data | Why we collect it | Required? |
|---|---|---|
| Name | Shown in the app and on the leaderboard | Required |
| Email address | Used as your username to log in | Required |
| Password | Hashed (HMAC-SHA256) before storage — never stored in plain text | Required |
| Address | Optional profile information | Optional |
| Game score | Displayed on the leaderboard | Auto |
| Device token (FCM) | Used to send push notifications; linked to your account only while logged in | Auto |
We do not collect payment information, location data, photos, or any sensitive personal data.
Account management: Your name and email are used to create and authenticate your account.
Leaderboard: Your name and score are visible to other users on the global leaderboard.
Push notifications: We use your device token to send game reminders and updates. You can disable notifications at any time in your device settings.
App improvement: We do not use analytics or tracking tools to monitor your in-app behaviour.
We do not sell, rent, or share your personal information with any third party for marketing or advertising purposes.
The only third-party service we use is Firebase Cloud Messaging (Google) for push notifications. Your device token is sent to Firebase solely to deliver notifications. See Firebase Privacy Policy.
Your data is stored for as long as your account is active. When you delete your account, the following data is permanently removed immediately:
Name · Email address · Address · Password (hashed) · Game score · Device notification token
No backup or residual copy of your data is retained after deletion.
We take reasonable steps to protect your data:
✔ Passwords are hashed with HMAC-SHA256 before storage
✔ Passwords are transmitted using RSA-OAEP encryption
✔ Sessions are secured with JWT tokens
✔ All network communication uses HTTPS
Math Master is an educational app suitable for all ages. We do not knowingly collect personal information from children under the age of 13 without verifiable parental consent.
If you are a parent or guardian and believe your child has provided us with personal information without your consent, please contact us at goldmadhuk@gmail.com and we will delete it promptly.
Access & edit: Update your name and address anytime via the Profile screen in the app.
Change password: Use Profile → Reset Password.
Delete your account: Use Profile → Delete Account to permanently erase all your data. See our Account Deletion page for full details.
If you have any questions, concerns, or data requests, please contact us:
Email: goldmadhuk@gmail.com
We will respond within 7 business days.