Purchase and Install Why buying Avalon Offshore vs other Navigation Software ? Where to buy Avalon Offshore ? Are new versions free ? What is the Premium Option ? How to cancel automatic renewal of the Premium option ? Can I install Avalon Offshore and the in-app purchases on several devices ? How to restore in app purchases on a new device ? Can I use Avalon Offshore to play virtual regatta games ? Weather Routing Where can I fing the VPPs (Velocity Prediction Polars aka “polars”) for my boat ? Why to use customized polars ? I have created my customized VPP with Avalon VPP. How to load them into Avalon ? How to load external grib files, retrieved from Internet or Saildocs ? How to select my preferred Weather Sources for my navigation area ? How to use Avalon Offshore with a satelllite phone (Iridium, Iridium Go, Inmarsat) ? Do Avalon Offshore calculated routes integrate sea state ? How to edit a waypoint (create, move edit, delete) ? Navigation How to connect Avalon Offshore to my WIfi gateway on the boat ? Why can’t I see my boat on the navigation screen ? My tablet has no built-in GPS (e.g. iPad Wifi only devices). Can I use it when at sea ? Nautical Maps What kind of maps can be used with Avalon Offshore ? How to load my own maps ? How to buy map packs as in-app purchases within Avalon Offshore ? Can the purchased maps be used in several devices ? I have subscribed to Navionics Boating or Boating HD. Can I use those maps with Avalon Offshore ? Weather How to refresh weather data without computing a new route ? How to modify my weather data area ? Racing Option What is the racing option ? Is the racing option free ? How to access it ?