Privacy Policy for Barometer+ Pressure tracker
Last Updated: May 18, 2026
1. Introduction
This Privacy Policy describes how Barometer+ Pressure tracker ("we," "our," or "the app") collects, uses, and protects information when you use our atmospheric pressure monitoring application.
2.1 Sensor Data
- Atmospheric Pressure Readings: The app collects pressure measurements from your device's barometric sensor
- Timestamps: When pressure readings are taken
- Location Altitude: Used for pressure compensation calculations (if enabled)
2.2 Device Information
- Sensor Specifications: Information about your device's pressure sensor (name, vendor, accuracy)
- Device Model: For compatibility and troubleshooting purposes
- Operating System Version: To ensure proper app functionality
2.3 User Preferences
- Settings: Your chosen measurement units, sampling periods, display preferences
- Calibration Data: Sensor calibration offsets you configure
- Alert Settings: Storm warning preferences and notification settings
2.4 Usage Analytics (Optional)
- App Performance Data: Crash reports and error logs to improve stability
- Feature Usage: Which features are used most frequently (anonymized)
- App Events: General usage patterns (anonymized)
3.1 Primary Functions
- Pressure Monitoring: To display current atmospheric pressure readings
- Historical Tracking: To maintain charts and graphs of pressure trends
- Storm Warnings: To analyze pressure patterns and provide weather alerts
- Sensor Calibration: To improve measurement accuracy
3.2 App Improvement
- Bug Fixes: Crash reports help us identify and fix issues
- Feature Development: Usage analytics guide new feature development
- Performance Optimization: To improve app speed and battery efficiency
4. Data Storage and Security
4.1 Local Storage
- On-Device Storage: All pressure readings and user preferences are stored locally on your device
- Database Encryption: Sensitive data is encrypted using Android's built-in security features
- No Cloud Storage: We do not upload your pressure readings to remote servers
4.2 Data Retention
- Automatic Cleanup: Pressure readings older than 30 days are automatically deleted
- User Control: You can clear all data through the app settings
- Uninstall: All data is removed when you uninstall the app
5. Data Sharing
5.1 No Personal Data Sharing
- We do not sell, trade, or share your personal pressure readings with third parties
- We do not share your location or device identification information
5.2 Aggregated Analytics (Optional)
- If analytics are enabled, only anonymized, aggregated data may be shared with analytics providers
- This data cannot be used to identify you or your specific device
- You can opt out of analytics in the app settings
6. Permissions
6.1 Required Permissions
- Sensor Access: To read atmospheric pressure from your device's barometric sensor
- Notifications: To display pressure alerts and service status notifications
- Foreground Service: To monitor pressure continuously in the background
6.2 Optional Permissions
- Location (Coarse): Only for altitude-based pressure compensation (if enabled)
- Battery Optimization Exemption: To ensure reliable background monitoring
7. Your Rights and Choices
7.1 Data Control
- View Data: Access all your stored pressure readings through the app
- Delete Data: Clear individual readings or all data through settings
- Export Data: Export your pressure data for personal use
7.2 Privacy Settings
- Analytics Opt-out: Disable usage analytics and crash reporting
- Notification Control: Customize or disable notifications
- Background Monitoring: Enable or disable continuous pressure monitoring
7.3 Ad Privacy and Consent (EEA / UK Users)
- Consent on First Launch: Users in the European Economic Area (EEA) and United Kingdom are shown an ad consent form before any personalized ads are displayed
- Manage Consent: You can review or change your ad personalization consent at any time via Settings → Manage Ad Privacy
- Non-Personalized Ads: If you decline or withdraw consent, only non-personalized ads are shown — no interest-based profiling is applied
- Right to Withdraw: Withdrawing consent takes effect immediately and applies to all future ad requests
8. Children's Privacy
This app does not knowingly collect personal information from children under 13. The app is designed for general atmospheric pressure monitoring and does not target children specifically.
9. Third-Party Services
9.1 Analytics and Crash Reporting (Optional)
If enabled, the app may use:
- Firebase Crashlytics: To identify and fix app crashes
- Firebase Analytics: To understand feature usage patterns (anonymized)
- These services are provided by Google LLC. See Google's Privacy Policy for details.
9.2 In-App Purchases
- The app offers optional subscriptions processed through Google Play Billing
- We do not collect or store payment information — all transactions are handled by Google
- See Google's Privacy Policy for billing data handling
10. Advertising
10.1 Google AdMob
The free version of the app displays advertisements provided by Google AdMob (Google LLC). AdMob may collect and use the following data to serve ads:
- Advertising ID (GAID): Android's resettable advertising identifier, used for ad personalization and frequency capping
- IP Address: Used for approximate geolocation and fraud prevention
- Device Information: Device model, OS version, screen size, language
- App Usage Data: Which screens are viewed and for how long, for ad relevance
- Interaction Data: Ad impressions and clicks
This data is processed by Google in accordance with their privacy policies. For more information, see Google's Privacy Policy and How Google uses data from apps that use AdMob.
10.2 Ad Personalization and Consent
- EEA / UK Users: Before any ads are shown, users in the European Economic Area and United Kingdom are presented with a consent form in accordance with the IAB Transparency and Consent Framework (TCF) and GDPR requirements
- Personalized Ads: Shown only to users who have given explicit consent
- Non-Personalized Ads: Shown to users who have declined consent or are located outside the EEA/UK — these ads do not use interest-based profiles
- Managing Consent: You can review or change your consent at any time via Settings → Manage Ad Privacy inside the app
10.3 Resetting Your Advertising ID
You can reset or delete your Android Advertising ID at any time via Android Settings → Privacy → Ads. Deleting your advertising ID opts you out of personalized advertising entirely.
10.4 Subscription (Ad-Free)
Users who purchase a subscription will not see any advertisements. No ad-related data is collected for subscribed users.
11. International Users
This app is designed to work globally. Pressure readings and settings are stored locally on your device regardless of your location. Ad serving is subject to applicable local regulations — users in the EEA and UK are covered by our GDPR consent mechanism described in sections 7.3 and 10.2.
12. Changes to This Policy
We may update this Privacy Policy to reflect changes in our practices or for legal compliance. We will notify users of significant changes through:
- In-app notifications
- App store update descriptions
- Email (if you have provided an email address)
13. Data Security Measures
13.1 Technical Safeguards
- Encryption: Data stored using Android's encrypted storage APIs
- Access Control: App data is isolated from other applications
- Secure Coding: Following Android security best practices
13.2 Operational Safeguards
- Minimal Data Collection: We only collect data necessary for app functionality
- Regular Security Reviews: Ongoing assessment of security practices
- Incident Response: Procedures for handling any potential security issues
If you have any questions about this Privacy Policy or our data practices, please contact us: