Privacy Policy

1. Introduction

ESP Calculator Tool ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our mobile application.

By using ESP Calculator Tool, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

• Calculation Data: Well names, pump depths, fluid properties, and other engineering parameters you enter for ESP calculations
• Email Address: Only when you voluntarily contact us or submit feedback through the app
• User Preferences: App settings and customization options you choose

2.2 Automatically Collected Information

• Device Information: Device model, operating system version, and unique device identifiers
• App Usage Data: Anonymous statistics about how you use the app (which features, calculation frequency)
• Error Reports: Anonymous crash reports and error logs to help us improve app stability

3. How We Use Your Information

We use the collected information for the following purposes:

• Providing Services: To perform ESP calculations, generate PDF reports, and export CSV files
• Data Persistence: To save your calculation data locally on your device for future reference
• App Improvement: To identify and fix bugs, enhance functionality, and improve user experience
• User Support: To respond to your inquiries, feedback, and support requests
• Analytics: To understand usage patterns and improve app features (using anonymous data only)

4. Data Storage and Security

4.1 Local Storage

• Your calculation data is stored locally on your device using secure storage mechanisms
• You have full control over your data and can delete it at any time from within the app
• Data is stored using industry-standard encryption where applicable

4.2 Security Measures

• We implement appropriate technical and organizational security measures to protect your data
• Data transmission uses secure HTTPS protocols when communicating with external services
• We do NOT store sensitive engineering data on external servers
• Your calculation data remains on your device unless you explicitly export it

4.3 Data Retention

• Calculation data is stored only on your device until you delete it
• We do NOT maintain copies of your calculation data on our servers
• You can clear all data from the app settings at any time

5. Third-Party Services

5.1 Google AdMob

Our app uses Google AdMob to display advertisements. AdMob may collect and process certain information including:

• Device advertising ID
• IP address
• Usage data and interaction with ads

For more information about how Google uses this data, please review: Google Privacy Policy

You can opt out of personalized advertising by adjusting your device settings:

• Android: Settings → Google → Ads → Opt out of Ads Personalization

5.2 Analytics Services

We may use analytics services to collect anonymous usage data to help us improve the app. These services do NOT collect personally identifiable information.

6. Data Sharing and Disclosure

We do NOT sell, trade, or rent your personal information to third parties.

We may share information only in the following limited circumstances:

• With Your Consent: When you explicitly authorize us to share specific information
• Legal Requirements: If required by law, court order, or government regulation
• Service Providers: With trusted third-party service providers (like AdMob) who assist in app operation, bound by confidentiality agreements
• Business Transfers: In the event of a merger, acquisition, or sale of assets (users will be notified)

7. Children's Privacy

ESP Calculator Tool is designed for professional petroleum engineers and is not intended for use by children under 13 years of age.

We do NOT knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us immediately so we can delete it.

8. Your Rights and Choices

You have the following rights regarding your personal information:

• Access: Request information about what data we have about you
• Correction: Request correction of inaccurate or incomplete data
• Deletion: Request deletion of your personal data (except where we're required to retain it)
• Data Portability: Request a copy of your data in a structured, machine-readable format
• Opt-Out: Disable analytics and advertising personalization through device settings
• Withdraw Consent: Withdraw consent for data collection at any time

To exercise any of these rights, please contact us at: [email protected]

9. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that are different from the laws of your country.

We take appropriate safeguards to ensure that your personal information remains protected in accordance with this Privacy Policy.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons.

We will notify you of any significant changes by:

• Posting the updated Privacy Policy within the app
• Updating the "Last Updated" date at the top of this policy
• Sending a notification through the app (for material changes)

You are advised to review this Privacy Policy periodically. Continued use of the app after changes constitutes acceptance of the updated policy.

11. Data Breach Notification

In the unlikely event of a data breach that affects your personal information, we will:

• Notify affected users within 72 hours of discovering the breach
• Provide details about the nature of the breach and data affected
• Explain steps we're taking to address the breach
• Advise on protective measures you can take

12. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information is collected
• Right to know if personal information is sold or disclosed
• Right to opt-out of the sale of personal information
• Right to deletion of personal information
• Right to non-discrimination for exercising CCPA rights

Note: We do NOT sell personal information.

13. European Privacy Rights (GDPR)

If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR):

• Right to access your personal data
• Right to rectification of inaccurate data
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing
• Right to lodge a complaint with a supervisory authority

15. Consent

By using ESP Calculator Tool, you hereby consent to this Privacy Policy and agree to its terms and conditions.

If you do not agree with this policy, please do not use our application.