This app includes a complete set of the LINZ marine charts for New Zealand as well as full route plotting and navigation functions.The charts can be downloaded for off-line use without cellular connection. GPS positioning also works fully off-line.Plan, follow, record routes. Share trips, waypoints with others.Includes NZ primary and secondary tide stations, marine fish and mammal reserve boundaries, and DOC tracks and huts.All content and functionality is included with the app. No account sign-up or ongoing subscription is required. The in-app purchase is for a voluntary contribution to further app development.Made in NZ.