Privacy Policy

Concrete Calculator — Last Updated: March 29, 2026

Introduction

This Privacy Policy describes how Concrete Calculator ("we", "our", or "the app") handles information when you use our mobile application. We are committed to protecting your privacy.

Information We Collect

Information We Do NOT Collect

        
            We do not collect personal information (name,
            email, phone number, address)
          
We do not require account creation or login
We do not track your location

            We do not collect or transmit your calculation data
            to any server

Information Stored Locally on Your Device

The app stores the following data locally on your device only:

Calculation history
Saved/favorited calculations
App preferences and settings

This data never leaves your device and is not accessible to us or any third party. You can delete all locally stored data at any time from the Settings screen within the app.

Information Collected by Third-Party Services

Google AdMob

The app uses Google AdMob to display advertisements. AdMob may collect certain information automatically, including:

Device identifiers (Advertising ID)
IP address
General location (country/region level)
Device information (model, OS version)
Ad interaction data

We request non-personalized ads only. For more information about how Google uses data, please visit: Google's Privacy Policy

How We Use Information

Local data: Used solely to provide app functionality (calculation history, saved calculations)
Ad data: Used by Google AdMob to serve advertisements and measure ad performance

Data Sharing

We do not sell, trade, or share your personal information with third parties. The only third-party service integrated into the app is Google AdMob for advertising purposes.

Data Retention

Local data: Stored on your device until you manually clear it from the app's Settings screen or uninstall the app
Ad-related data: Managed by Google AdMob according to their data retention policies

Children's Privacy

The app does not knowingly collect personal information from children under 13. The app is rated for all ages and displays non-personalized advertisements only.

Security

All calculation data is stored locally on your device using standard device storage. No data is transmitted to external servers.

Your Rights

You have the right to:

Delete all app data at any time using the "Clear All Data" option in Settings
Uninstall the app to remove all locally stored data
Opt out of personalized ads through your device's advertising settings

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be reflected in the "Last Updated" date at the top of this page.

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: 247developer@gmail.com