The information in MapToaster Mobile/NZ is derived from a variety of sources. The LINZ data that is used as the basis for the maps includes updates to October 2018.
Keep in mind that topographical maps are always behind reality. The LINZ topographical mapping that is the basis for these maps is of varying age. Some map sheets have not been updated for many years.
If you are using Department of Conservation tracks or huts, always check with them for the latest information.