Navigation apps in today's App Store charts in the same countries as this app.
NZ Topo50 North Island
Right Place Resources
NZ Topo50 South Island
Sun Seeker - Tracker & Compass
ozPDA
Google Maps
Google
NZ Charts
New Zealand topo maps (Doug's)
Douglas Forster
Gull
Gull New Zealand
PureTrack GPS Tracker
Tim Bromhead