Run directly in your browser – no App Store installation required.
🔭 Remote Shore Monitor
Go ashore with peace of mind. Check your boat's real-time position and status from any restaurant or beach via a secure 6-digit PIN. Features an automatic "connection lost" alarm if the signal drops.
📡 100% Offline Capability
In remote bays without cell coverage, the local anchor watch keeps running flawlessly in your browser, powered entirely by your device's built-in GPS.
🔒 Data-Minimal & Private
Your GPS coordinates are never stored or sent to any server. When using the optional shore monitor, only relative distance and bearing are temporarily transmitted under a 6-character session PIN.
📲 Installable Web App (PWA)
No App Store required. Add it to your home screen ("Add to Home Screen") to run it in standalone mode. Features an OLED-friendly dark mode. Note that background execution depends on operating system battery policies.
⚓ Practical Cockpit Setup
Start Schwoj Alarm from your cockpit once your vessel has settled in the wind. The app monitors your boat's swinging pattern and alerts after two consecutive position fixes outside the selected radius.