The free version is limited to :
- access to 2 days weather forecast only
- access to the GFS model only on SailGrib servers
- no current atlases for European coasts
- routings of less than 50 nautical miles
- 10 routings between 50 and 150 nautical miles
- no navigation panel
- no NMEA or AIS data
- no nautical charts
- no race tracking