Best apps like Coaster - coast watcher

5+ similar apps compared and reviewed

4 free apps

Updated October 2026

Michael Mathieu

Coaster is great, but it's not the only option. Explore 5+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Coaster

LacNav - Swiss Lake Navigation by Tobias Kern

Zones, Wind & Speed Alerts

Editor's Choice

🗺️ Navigation

0.0(0 ratings)

$59.99

LacNav - Swiss Lake Navigation screenshot 1

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CH16 by Global SAR Hub

Maritime Safety Companion

Strong Contender

🗺️ Navigation

0.0(0 ratings)

FreeAdsIn-App Purchases

This maritime safety app provides instant access to global rescue coordination centers and features tools for generating distress messages and planning voyages. It offers real-time location tracking for man overboard situations and works offline, ensuring safety at sea.

2W Route Planner by ALBERTO INGRAO

Electric scooter route planner

Worth Considering

🗺️ Navigation

0.0(0 ratings)

FreeIn-App Purchases

More apps like Coaster

DriftWatch

by Rene Dacier

Free

This navigation app helps boat captains sleep soundly by monitoring anchor drift. It uses your device's GPS to alert you if your vessel moves outside a set boundary, providing peace of mind while at anchor.

Anchor drift monitoringGPS boundary alertsAudible alarms

🗺️ Navigation

(0)

free with in-app purchases