SeaCheck is made and published by
Software by Design.
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The app name, icon, screenshots and description belong to Software by Design and are shown as
published on Google Play.
About SeaCheck
“Personal coastal nav companion — GPS, SOG, offline maps.”
SeaCheck is a maps & navigation app developed by Software by Design.
Install Statistics
SeaCheck has been installed 0 times. In the last 30 days, the app was installed 0 times.
User Ratings
The app has no ratings yet.
App Information
SeaCheck is freely available from Google Play. The app size is 42.61 MB. The latest version available is 0.1.10. The last update was on September 12, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since July 2026.
Description by Software by Design(from Google Play)
SeaCheck is something I built for my own small-boat sailing — a deck-side companion to paper charts, not a replacement for them.
I use it for boat speed, coordinates, a quick chart position without going below, passage sketches, and anchor alarms. I'm sharing it in case another coastal sailor finds it useful. No launch, no support promise — use at your own risk.
NOT FOR PRIMARY NAVIGATION Aid to navigation only. Not a certified chart plotter. Maps use OpenSeaMap / OpenStreetMap volunteer data and may be outdated. Always carry official, corrected nautical charts.
FEATURES • GPS on chart — COG, SOG, bearing • Passage planning, waypoints, GPX export • Offline region packs (Wi‑Fi download) • Anchor, arrival, and off-course alarms • Track recording • EN / DE UI
Free. No ads. No analytics. Data stays on your device.
Recent changes: • Passage planning: zoom stays where you left it when adding waypoints (no more jump back) • Chart downloads: other pack Download buttons no longer stay greyed out after the first pack • Boat follow pauses while you plan on the chart, so GPS does not fight your pan/zoom • Play quality: full R8 optimization, edge-to-edge cleanup, WebP splash assets • Stability fixes for offline pack download locking
Navigation companion only — not a substitute for official charts and good seamanship.
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