Privacy Policy for JAD2001 Coordinate Converter
Last updated: January 17, 2026
In Short: This app uses your device's location only to provide coordinate conversion and GPS stakeout features. Your data never leaves your device and is never shared with anyone.
1. Information We Collect
JAD2001 Coordinate Converter collects and uses the following information:
Location Data
- Precise GPS Location: Used for coordinate conversion, stakeout mode, and displaying your position on the map
- When Collected: Only when you actively use GPS features like "My Location" button or Stakeout Mode
- Storage: Location data is processed in real-time but not stored permanently
Saved Coordinate Points
- What: Coordinate points, descriptions, elevations, and list names that you manually save
- Storage: Stored locally on your device in an SQLite database
- Control: You can delete any saved data at any time
2. How We Use Your Information
Your location and coordinate data is used exclusively for:
- Converting between WGS84 and JAD2001 coordinate systems
- Displaying your current location on the map
- Calculating distance and bearing to target points in stakeout mode
- Saving and managing coordinate points you choose to store
3. Data Sharing and Transmission
We DO NOT:
- Transmit your location data to any servers
- Share your data with third parties
- Use your data for advertising or analytics
- Track your movements or create location history
- Sell or rent your information
Third-Party Services:
- Google Maps: The app uses Google Maps to display map tiles. Google's privacy policy applies to map usage. The app does not send your saved coordinate data to Google.
4. Data Storage and Security
- All coordinate data is stored locally on your device only
- No remote servers or cloud storage are used
- Data remains on your device unless you explicitly export it
- Standard Android security protections apply to stored data
5. Your Rights and Controls
You have complete control over your data:
- Location Permission: You can deny or revoke location permission at any time in Android settings (the app will still work for manual coordinate entry)
- Delete Saved Data: Delete individual points or entire lists within the app
- Remove All Data: Uninstall the app or clear app data in Android settings
- Export Your Data: Export your coordinate lists as CSV files at any time
6. Data Retention
- Saved coordinate points are retained until you delete them or uninstall the app
- Real-time GPS location is not retained after processing
- No usage analytics or logs are collected or retained
7. Children's Privacy
This app is designed for professional use (surveying, engineering, GIS work). It does not knowingly collect information from children under 13. The app does not target children and contains no content intended for children.
8. 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. Continued use of the app after changes constitutes acceptance of the updated policy.
9. Contact Us
If you have questions or concerns about this privacy policy or your data, please contact us at:
Email: rhylton@hyltongeoprecision.com
App: JAD2001 Coordinate Converter
Developer: Hylton Geoprecision
10. Permissions Explained
The app requests the following Android permissions:
- ACCESS_FINE_LOCATION: Required for GPS coordinate conversion and stakeout mode
- ACCESS_COARSE_LOCATION: Backup location provider
- INTERNET: Required to load Google Maps tiles only
- WRITE_EXTERNAL_STORAGE (Android 9 and below): Required to export coordinate lists as CSV files
JAD2001 Coordinate Converter
Version 1.0
© 2026 All Rights Reserved