Last updated: May 10, 2026
Welcome to CalcRush – Maths Quiz ("App"), developed and operated by Aldtor ("we", "us", or "our"). This Privacy Policy explains how we handle information when you use our mobile application available on Google Play.
By downloading or using CalcRush, you agree to the practices described in this policy. If you do not agree, please do not use the App.
1. Information We Collect
CalcRush is a math quiz application. We do not collect, store, or share any personally identifiable information (PII) from our users. Specifically:
- We do not require you to create an account.
- We do not collect your name, email, phone number, or location.
- We do not access your camera, microphone, or contacts.
- All quiz scores and stats are stored locally on your device only and never transmitted to us.
2. Advertising (Google AdMob)
CalcRush displays advertisements powered by Google AdMob. AdMob may collect and use certain data to serve personalized or non-personalized ads, including:
- Device identifiers (e.g., Advertising ID)
- IP address and approximate location
- App usage and interaction data
- Device model, OS version, and language
This data is collected by Google, not by Aldtor. Google's data practices are governed
by their own Privacy Policy, which you can review at:
https://policies.google.com/privacy
You can opt out of personalized advertising at any time through your device settings:
Android: Settings → Google → Ads → Opt out of Ads Personalization
3. Data Safety
CalcRush does not transmit any user data to our servers. All application data including scores, accuracy stats, and session history is stored exclusively on your local device using standard device storage. This data is never shared with Aldtor or any third party by us.
4. Children's Privacy
CalcRush is designed to be safe for users of all ages, including children. We do not knowingly collect personal information from children under 13. The App does not contain social features, chat, or user-generated content. Ads displayed through AdMob comply with Google's families policy requirements.
5. Third-Party Services
Our App uses the following third-party service:
-
Google AdMob — for displaying advertisements.
Privacy Policy: https://policies.google.com/privacy
We are not responsible for the privacy practices of third-party services.
6. Permissions Used
CalcRush requests only the minimum permissions necessary to function:
- Internet access — required to load advertisements via AdMob.
- Network state access — to check connectivity for ad loading.
No other device permissions are requested or used.
7. Data Retention
Since we do not collect any personal data, there is no user data retained by Aldtor. Local app data (scores, session history) remains on your device and can be cleared at any time by uninstalling the App or clearing app data through your device settings.
8. Security
We take your privacy seriously. Since CalcRush does not collect or transmit personal data to our servers, the risk of a data breach involving your personal information through our App is minimal. AdMob data is secured by Google's enterprise-grade infrastructure.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be reflected by updating the "Last updated" date at the top of this page. We encourage you to review this policy periodically. Continued use of the App after changes constitutes your acceptance of the updated policy.
10. Contact Us
If you have any questions or concerns about this Privacy Policy, please contact us at:
- Developer: Aldtor
- Email: aldtor.in@gmail.com