Privacy Policy

Last updated: May 8, 2026

This privacy policy describes how the CivilCalcPro application collects, uses, and protects information when you use our mobile app dedicated to civil engineering site calculations and Eurocode verifications.

1. Information We Collect

CivilCalcPro is designed to respect your privacy. The app operates 100% offline and primarily in local mode on your device.

1.1 Locally Stored Data

The following information is stored solely on your device and is never transmitted to our servers:

• Materials calculation history (concrete, steel, mix design, bricks, mortar)
• Site calculation results (earthwork, layout, slopes, scaffolding)
• Eurocode verifications (EC1 loads, EC2/EC3 deflection, column base, ULS/SLS)
• RC design results based on BAEL 91 rev. 1999 (columns, beams, footings, walls)
• Unit conversions and converter outputs
• Application settings, language preference (FR/EN), and user preferences

This data remains exclusively on your device and is automatically deleted when the application is uninstalled.

1.2 Advertising Data

The application uses Google AdMob to display advertisements. AdMob may collect certain information to deliver and optimize ads, including:

• Device advertising identifier
• IP address
• General device information (model, OS version)
• Approximate location data
• Interactions with displayed advertisements

2. Use of Information

2.1 App Functionality

Locally stored data is used solely to:

• Perform civil engineering and site calculations
• Run Eurocode and BAEL 91 verifications
• Save calculation history and recent results
• Provide quick access to material tables and converters
• Improve the user experience

2.2 Advertising

Information collected by AdMob is used to:

• Display relevant advertisements
• Measure ad performance
• Fund the development and maintenance of the application

3. Sharing of Information

We do not sell, trade, or rent your personal data to third parties.

The only data that may be shared is with Google AdMob, solely for the purpose of displaying advertisements.

For more information, please refer to Google's Privacy Policy and AdMob's Privacy Policy.

4. Data Security

• Calculations and data remain stored locally on the device
• No account creation is required
• No technical calculation data is sent to an external server
• The app works fully offline (100% Offline)
• Exchanges with advertising services are secured

5. Your Rights and Choices

5.1 Personalized Advertising

You can opt out of personalized ads:

• Android: Settings → Google → Ads
• iOS: Settings → Privacy → Advertising

5.2 Data Deletion

• Delete calculation history from within the app
• Or uninstall the application to erase all data

6. Third-Party Services

This application uses the following third-party service:

• Google AdMob – Advertising
  View their privacy policy

7. Policy Updates

This policy may be updated at any time. Any changes will be published on this page with an updated date.

8. Children

The CivilCalcPro application is not intended for children under the age of 13. No personal data from children is intentionally collected.

9. Compliance

• General Data Protection Regulation (GDPR)
• Google Play Program Policies
• Google AdMob Policies