Privacy

 Last updated: September 2025

  Overview

  Mariner Studio is a maritime navigation app that helps users plan and navigate marine routes. We are committed to protecting your privacy and being transparent about how we handle your data.

  Information We Collect

  Information You Provide

  – Route Data: GPS routes, waypoints, and navigation data you create or import

  – App Settings: Your preferences and customization settings within the app

  – Photos: Photos you take through the app’s camera feature

  – Favorites: Maritime stations, navigation units, and locations you mark as favorites

  – Optional Feedback: Any feedback or support communications you choose to send us

  Information We Automatically Collect

  – Device Identification: We use your device’s unique identifier (identifierForVendor) to maintain sync consistency across your devices

  – Location Data: GPS coordinates when you use location-based features (with your permission)

  – Device Information: Device type, operating system version, and app version for compatibility purposes

  How We Use Your Information

  – Provide and maintain the app’s maritime navigation features

  – Sync your favorites and photos across your devices using Apple’s CloudKit

  – Maintain consistency of your preferences and data across devices

  – Respond to your support requests when you contact us

  – Improve app performance and functionality

  Data Storage and Cloud Sync

  Automatic iCloud Sync

  When iCloud is enabled for the app, the following data automatically syncs across your Apple devices:

  – Favorite Stations: Tide, weather, current, and buoy stations you’ve favorited

  – Navigation Unit Favorites: Maritime navigation units you’ve marked as favorites

  – Photos: Photos taken through the app

  – App Preferences: Your settings and customizations

  – Device Sync Metadata: Device identifiers used to maintain data consistency

  Local Storage Only

  – Route Data: GPS routes and waypoints remain stored locally on your device

  – Downloaded Public Routes: Maritime routes downloaded from our public database

  Controlling Sync

  – You can disable iCloud sync through your device’s iCloud settings

  – When iCloud sync is disabled, all data remains local to your device only

  – All cloud sync occurs through Apple’s secure CloudKit infrastructure

  Third-Party Services

  Apple Services

  – CloudKit: For syncing your favorites, photos, and preferences across your Apple devices

  – StoreKit: For subscription management and in-app purchases

  – Core Location: For location-based maritime features (with permission)

  Maritime Data Sources

  – NOAA (National Oceanic and Atmospheric Administration): For tide, current, and chart data

    – api.tidesandcurrents.noaa.gov

    – seamlessrnc.nauticalcharts.noaa.gov

    – gis.charttools.noaa.gov

    – http://www.ndbc.noaa.gov

  – Open-Meteo: For weather data (api.open-meteo.com)

  – Our Public Route Database: For downloading community-shared maritime routes

  Data Sharing with Third Parties

  – No Personal Data Shared: We do not share your personal navigation data, favorites, or photos with third parties

  – Anonymous API Calls: Weather and maritime data requests are made without personal identifiers

  – Public Route Downloads: Anonymous downloads from our public route database

  Your Privacy Rights

  – Data Access: You can access all your data through the app interface

  – Data Deletion: You can delete your data by removing it within the app or uninstalling the app

  – Sync Control: You can disable CloudKit sync in your device’s iCloud settings

  – Location Control: You can revoke location permissions through your device settings

  Data Security

  – All data sync occurs through Apple’s secure CloudKit infrastructure

  – Local data is protected by your device’s built-in security features and encryption

  – Maritime data requests use secure HTTPS connections

  Children’s Privacy

  Our app does not knowingly collect personal information from children under 13.

  Data Retention

  – Local Data: Remains on your device until you delete it or uninstall the app

  – iCloud Data: Retained according to your iCloud storage settings and Apple’s policies

  – No Server Storage: We do not maintain copies of your personal navigation data on our servers

  International Users

  Your data may be processed and stored in various locations through:

  – Apple’s CloudKit service (complies with applicable international data protection regulations)

  – NOAA services (United States government maritime data)

  – Open-Meteo services (European weather data provider)

  Changes to This Policy

  We may update this privacy policy occasionally. We will notify users of any material changes through the app or App Store updates. Continued use of the app after changes constitutes acceptance of the updated policy.

  Contact Us

  If you have questions about this privacy policy or our privacy practices, please contact us through the App Store or at [email protected]