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Privacy Policy for ZDive
Last Updated: September, 2025
Introduction
ZDive ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our diving application and related services (collectively, the "Service").
Information We Collect
Health and Fitness Data
- Heart Rate Data: We collect your heart rate information during dives to track dive fitness metrics and provide safety insights
- Blood Oxygen Levels: We monitor blood oxygen saturation to assess your physiological condition during dives
- Workout Data: We save your dive sessions as workout data in Apple Health to track your diving activity
- Health Metrics: We may collect other health-related metrics relevant to diving safety
Location Data
- GPS Coordinates: We collect your precise location to record dive sites and create accurate dive logs
- Dive Site Information: We store location data to help you identify and return to dive sites
- Route Tracking: We track your movement during dives to create detailed dive routes and breadcrumb trails
- Compass Data: We use location services to provide compass heading functionality
Motion and Sensor Data
- Depth Measurements: We collect depth data from motion sensors to track your dive profile
- Water Temperature: We monitor water temperature during your dives
- Motion Patterns: We use motion sensors to detect water submersion and track dive conditions
- Device Orientation: We collect orientation data to provide accurate depth readings
Dive-Specific Data
- Dive Sessions: Complete records of your dives including timestamps, duration, and conditions
- Decompression Data: Calculations and recommendations for decompression stops
- Equipment Information: Details about your diving equipment and configurations
- Dive Plans: Your planned dives and trip information
- Packing Lists: Equipment checklists and trip preparation data
How We Use Your Information
Core Functionality
- Dive Tracking: Recording and analyzing your dive sessions
- Safety Monitoring: Providing real-time safety alerts and decompression calculations
- Dive Logging: Creating comprehensive dive logs and history
- Equipment Management: Helping you track and manage your diving equipment
Data Synchronization
- Cross-Device Sync: Synchronizing your dive data between iPhone and Apple Watch
- Cloud Backup: Storing your data securely in iCloud for backup and recovery
- Data Recovery: Ensuring your dive data is not lost if you change devices
Safety and Health
- Decompression Calculations: Using Bühlmann ZH-L16C and other algorithms to calculate safe ascent profiles
- Health Integration: Integrating with Apple Health to provide comprehensive health insights
- Safety Alerts: Providing warnings for potentially dangerous dive conditions
Data Storage and Security
Local Storage
- Your dive data is stored locally on your device using Core Data
- Local storage ensures your data is available even without internet connectivity
- Data is encrypted using iOS's built-in encryption mechanisms
Cloud Storage
- We use Apple's iCloud service (CloudKit) to synchronize your data across devices
- Your data is stored in your personal iCloud account under the identifier iCloud.vz.vmpm3m.ZDive
- CloudKit provides enterprise-grade security and encryption
- Data is only accessible to you and devices signed into your Apple ID
Third-Party Services
Apple Services
- HealthKit: We integrate with Apple Health to read and write health data
- CloudKit: We use Apple's CloudKit for data synchronization
- Core Location: We use Apple's location services for GPS functionality
- Core Motion: We use Apple's motion framework for sensor data
Google Mobile Ads
- We use Google Mobile Ads SDK for displaying advertisements
- Ad personalization is based on your device's advertising identifier
- You can opt out of personalized ads in your device settings
No Other Third Parties
- We do not share your personal data with any other third-party services
- We do not sell your data to advertisers or other companies
- We do not use third-party analytics or tracking services
Your Rights and Choices
Data Access and Control
- You can view all your dive data within the app
- You can export your dive data through the app's export functionality
- You can delete individual dive sessions or your entire dive log
Privacy Settings
- You can control location permissions in your device settings
- You can manage HealthKit permissions in the Health app
- You can disable iCloud sync in the app settings
- You can opt out of personalized ads in your device settings
Contact Us
If you have any questions about this Privacy Policy or our data practices, please contact us at:
Email: [email protected]
Website: https://zdive.app/
Compliance
This Privacy Policy complies with applicable privacy laws and regulations, including:
- General Data Protection Regulation (GDPR)
- California Consumer Privacy Act (CCPA)
- Children's Online Privacy Protection Act (COPPA)
- Apple's App Store Review Guidelines