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