Privacy Policy

1. Introduction

Trie Technologies LLC ("we," "our," or "us") operates the Blood Pressure Log mobile application (the "App"). This Privacy Policy explains how we collect, use, store, and protect your information when you use our App.

We are committed to protecting your privacy and ensuring the security of your health information. This policy describes our privacy practices in clear, understandable terms.

2. Information We Collect

2.1 Health Data You Provide

• Blood Pressure Readings: Systolic and diastolic blood pressure measurements
• Heart Rate: Pulse measurements (optional)
• Timestamps: Date and time of each reading
• Notes: Optional text notes you add to readings
• Categories: Automatically calculated blood pressure categories based on your readings

2.2 Technical Information

• App Usage Analytics: How you interact with the App's features
• Crash Reports: Technical information when the App experiences errors
• Performance Data: App loading times and performance metrics
• Device Information: Basic device data for advertising purposes (free version only)
• Purchase Status: Whether you have purchased the premium version

2.3 Information We Do NOT Collect

• Personal identifiers (name, email, phone number)
• User accounts or profiles
• Location data
• Contact information
• Financial information beyond purchase verification

3. How We Use Your Information

3.1 Health Data

• Store your blood pressure readings locally on your device
• Generate trends, statistics, and reports for your personal use
• Sync with Apple Health (iOS) or Google Health Connect (Android) when you enable this feature
• Create backup files for manual transfer between devices

3.2 Technical Data

• Improve App functionality and fix bugs
• Understand usage patterns to enhance user experience
• Provide relevant advertisements (free version only)
• Monitor App performance and stability

4. Data Storage and Security

4.1 Local Storage

• All health data is stored locally on your device in an encrypted SQLite database
• Your health information never leaves your device unless you explicitly choose to share it
• Data remains on your device even when offline

4.2 Cloud Services

• No Automatic Cloud Upload: We do not automatically upload your health data to cloud servers
• Optional Backup: You can create backup files that remain on your device for manual sharing
• Health Platform Sync: When enabled, data syncs with Apple Health or Google Health Connect according to their privacy policies

4.3 Security Measures

• Local database encryption
• Secure communication protocols for analytics
• No storage of personal identifiers
• Regular security updates

5. Third-Party Services

5.1 Firebase (Google)

We use Firebase services for App improvement:

• Analytics: Usage patterns and feature adoption
• Crashlytics: Error reporting and crash analysis
• Performance: App speed and performance monitoring

Data is subject to Google's Privacy Policy.

5.2 Google AdMob

Free version users see advertisements provided by Google AdMob:

• Uses device information for ad targeting
• Does not access your health data
• Removed completely with premium purchase

Subject to Google's Privacy Policy.

5.3 Health Platforms

• Apple Health (iOS): Optional sync with Apple's health platform
• Google Health Connect (Android): Optional sync with Google's health platform
• Data shared with these platforms is subject to their respective privacy policies
• You control what data is shared and can disable sync at any time

6. Data Sharing and Disclosure

6.1 Your Health Data

• Never Sold: We never sell your health information
• No Automatic Sharing: Health data is not shared without your explicit action
• User-Controlled Sharing: You can share PDF reports or backup files manually
• Health Platform Sync: Only when you enable and authorize this feature

6.2 Legal Requirements

We may disclose information if required by law, but we will:

• Notify you unless legally prohibited
• Limit disclosure to the minimum required
• Challenge overly broad requests when possible

7. Your Rights and Choices

7.1 Data Control

• Delete Readings: Remove individual readings or all data
• Export Data: Generate PDF reports or backup files
• Health Sync: Enable or disable health platform integration
• Premium Upgrade: Remove advertisements and access additional features

7.2 Analytics Opt-Out

While you cannot opt out of basic error reporting (necessary for App stability), you can:

• Disable analytics in your device settings
• Use airplane mode to limit data transmission
• Contact us to discuss your privacy concerns

8. Data Retention

8.1 Health Data

• Stored on your device indefinitely until you delete it
• Automatically deleted when you uninstall the App
• Backup files persist until manually deleted

8.2 Analytics Data

• Firebase retains analytics data according to Google's policies
• Typically 26 months for analytics data
• Crash reports retained for troubleshooting purposes

9. Children's Privacy

The App is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided information to us, please contact us immediately so we can delete it.

For users between 13-18, parental guidance is recommended when using health tracking applications.

10. International Users

The App is designed to work globally while respecting local privacy laws:

• GDPR (EU): Users have rights to access, rectify, erase, and port their data
• CCPA (California): California residents have additional rights regarding their personal information
• HIPAA: While not a covered entity, we follow privacy best practices for health data

11. Changes to This Policy

We may update this Privacy Policy periodically. When we do:

• We will update the "Last Updated" date at the top
• Significant changes will be announced in the App
• Your continued use constitutes acceptance of changes
• You can always find the current version at this URL

12. Contact Us

If you have questions about this Privacy Policy or our privacy practices:

We will respond to privacy inquiries within 30 days and work with you to address any concerns about your data privacy.

13. Summary

Our commitment to you:

• Local-First: Your health data stays on your device
• Your Control: You decide what to share and when
• No Selling: We never sell your health information
• Transparency: Clear information about our practices
• Security: Strong protection for your sensitive data