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Seapilot vs LuckGrib: catalog facts
Seapilot	LuckGrib
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Best for: Recreational boaters who want chart navigation on a phone or tablet	Best for: Sailors planning passages with GRIB weather forecasts
Free + paid options Basic is free, Premium costs $39.99, and charts are bought separately except free US charts.	Paid Purchased through the Apple App Store.
Android, iOS	macOS, iOS
AIS and NMEA sensor support in Premium Weather routing with GRIB data GPX import and export	Direct downloads of GFS, CMC and WW3 models Weather routing for sailing passages Designed for use while offshore Fast animated forecast display
Charts cost extra outside the US Most navigation features require Premium	Apple platforms only Paid app
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Seapilot seapilot.com apps.apple.com/us/app/seapilot/id915818783 Catalog checked September 23, 2026	Official website Full listing and sources Sources for LuckGrib luckgrib.com apps.apple.com/us/app/luckgrib/id1318450117 Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

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