Privacy Policy for Tank Volume Calculator

1. Introduction

This Privacy Policy describes how Tank Volume Calculator ("we," "our," or "us") collects, uses, and shares information when you use our mobile application (the "App"). We are committed to protecting your privacy and being transparent about our data practices.

2. Information We Collect

2.1 Information You Provide

Our app is designed to calculate tank volumes locally on your device. We do not collect or store any personal information that you enter into the calculator fields.

2.2 Automatically Collected Information

When you use our App, we automatically collect certain information through third-party services, primarily for advertising purposes:

• Device Information: Device model, operating system version, screen resolution, and device identifiers
• Advertising Identifiers: Mobile advertising ID (Android Advertising ID)
• Usage Analytics: How you interact with the app and advertisements
• Approximate Location: General geographic location (country/region) for relevant advertising
• Network Information: IP address, network type, and connection information

3. How We Use Your Information

The information we collect is used for the following purposes:

• App Functionality: To provide and maintain the tank volume calculation features
• Advertising: To display relevant advertisements and measure ad performance
• Analytics: To understand app usage patterns and improve user experience
• Technical Support: To diagnose and fix technical issues

4. Information Sharing and Disclosure

4.1 Third-Party Services

We use Google AdMob to display advertisements in our app. AdMob may collect and use information as described in their privacy policy:

• Google AdMob: https://policies.google.com/privacy
• Google Ads: https://policies.google.com/technologies/ads

4.2 Data Sharing

We do not sell, trade, or rent your personal information to third parties. Information may be shared with:

• Google (through AdMob) for advertising purposes
• Service providers who assist us in app operations
• Legal authorities if required by law

5. Data Security

We implement appropriate security measures to protect your information:

• Data transmission is encrypted using industry-standard protocols
• We do not store personal calculation data on our servers
• Access to collected data is limited to authorized personnel only

6. Your Rights and Choices

6.1 Advertising Controls

You can control advertising preferences:

• Android: Go to Settings > Google > Ads > Opt out of Ads Personalization
• Reset Advertising ID: Settings > Google > Ads > Reset advertising ID

6.2 Data Deletion

You can request deletion of your data by:

• Uninstalling the app (removes locally stored data)
• Contacting us directly (see contact information below)
• Using Google's data deletion tools for AdMob data

7. Children's Privacy

Our app is not directed to children under 13 years of age. We do not knowingly collect personal information from children under 13. If we discover that we have collected personal information from a child under 13, we will delete such information immediately.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure that such transfers comply with applicable data protection laws and that appropriate safeguards are in place.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by:

• Posting the new Privacy Policy in the app
• Updating the "Last updated" date at the top of this policy
• Providing notice through the app or other means

Your continued use of the app after any changes constitutes your acceptance of the updated Privacy Policy.

11. Additional Resources

For more information about online privacy and advertising:

• Google Privacy & Terms: https://policies.google.com/
• Digital Advertising Alliance: http://www.aboutads.info/
• Network Advertising Initiative: http://www.networkadvertising.org/