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Privacy Policy for Wellsite Pro

Last Updated: October 28, 2025

Introduction

Wellsite Pro ("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.

Information We Collect

Information You Provide

• Well Design Data: All well parameters, calculations, and configurations you enter in the app are stored locally on your device only
• Settings & Preferences: Your chosen language, unit system (imperial/metric), and app preferences

Automatically Collected Information

• Crash Reports: We use Sentry to collect error and crash information including:
  • Error messages and stack traces
  • Device information (model, OS version)
  • App version
  • Anonymous usage context at time of crash

Information We DO NOT Collect

• ❌ Personal identification information (name, email, phone)
• ❌ Location data
• ❌ Camera or microphone access
• ❌ Contacts or calendar data
• ❌ Your well data is NOT sent to our servers

How We Use Your Information

We use the collected information to:

• Improve App Performance: Identify and fix bugs and crashes
• Enhance User Experience: Understand which features are most used
• Optimize Features: Make data-driven decisions about future improvements
• Provide Support: Help diagnose issues when users report problems

Data Storage and Security

• Local Storage: All your well design data is stored locally on your device using AsyncStorage
• No Cloud Backup: We do not automatically backup or sync your data to cloud servers
• Data Deletion: Uninstalling the app will delete all locally stored data
• Security: We implement industry-standard security practices to protect data transmission

Third-Party Services

We use the following third-party services that may collect information:

Sentry

• Purpose: Crash reporting and error monitoring
• Data collected: Error logs, device information, app state
• Privacy Policy: https://sentry.io/privacy/

Expo

• Purpose: App infrastructure and updates
• Data collected: App version, device information
• Privacy Policy: https://expo.dev/privacy

Your Data Rights

You have the right to:

• Access: View all data stored locally on your device through the app
• Delete: Clear all app data using the "Clear All" function in the app
• Opt-Out: You cannot opt-out of crash reporting, but all data is anonymous

Children's Privacy

Wellsite Pro is intended for professional use by petroleum engineers and industry professionals. We do not knowingly collect information from children under 13 years of age.

International Users

Wellsite Pro is available globally. By using the app, you consent to the transfer and processing of data in accordance with this Privacy Policy, regardless of your location.

Changes to This Privacy Policy

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

• Updating the "Last Updated" date at the top of this policy
• Displaying an in-app notification for material changes

Your continued use of Wellsite Pro after changes are posted constitutes acceptance of the updated Privacy Policy.

Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us:

• Email: antoniovargas1002@gmail.com
• Developer: Antvar74
• Location: Poza Rica, Veracruz, Mexico

Disclaimer

Wellsite Pro provides engineering calculations for professional reference. While we strive for accuracy:

• All calculations should be independently verified
• We are not responsible for decisions made based on app calculations
• Users are responsible for ensuring compliance with industry standards and regulations

Consent

By using Wellsite Pro, you consent to this Privacy Policy and agree to its terms.

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Effective Date: October 28, 2025
Version: 1.0