Coaster - coast watcher
Michael Mathieu Navigation iPhoneiPadiPod touch
Coaster - coast watcher is a free Navigation app for iPhone and iPad by Michael Mathieu. Requires iOS 13.0. Updated July 12, 2026.
- Price
- Free
- on the App Store
- Size
- 19 MB
- Age 4+
- Updated
- Jul 12
- 2026 · v2.2.0
Screenshots
About Coaster - coast watcher
Boat dashboard: speed, distance from the coast and nearest border. Once the map has been downloaded, the application is functional offline. A Premium yearly subscription is available. With Premium subscription, you have maps in HD-High Definition (an example is available on https://swissopt.ch/coaster/#hd), no ads to activate options alert and distance to nearest border. Terms of Use (EULA) apply (https://swissopt.ch/coaster/support/terms_conditions.html).
What’s new
Version 2.2.0 · Updated July 12, 2026
Technical update.
App privacy
The developer, Michael Mathieu, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Precise Location
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Precise Location
- Usage Data: Advertising Data
- Identifiers: Device ID
Used for: Third-Party Advertising, Analytics, App Functionality
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