Apps like BackCountry Navigator GPS PRO

Here are some great alternatives to BackCountry Navigator GPS PRO by CritterMap Software LLC :
US Topo Maps
US Topo Maps
★4.6
Canada Topo Maps
Canada Topo Maps
★4.6
Australia Topo Maps
Australia Topo Maps
★4.3
Great Britain Topo Maps
Great Britain Topo Maps
★4.5
Memory-Map
Memory-Map
★3.8
New Zealand Topo Maps
New Zealand Topo Maps
★4.7
Topo GPS
Topo GPS
★4.2
Route Scout - GPS Topo Mapper
Route Scout - GPS Topo Mapper
★4.6
NZ Topo50 Offline - South
NZ Topo50 Offline - South
★4.6
Tenerife Topo Maps
Tenerife Topo Maps
★4.2
Russian Topo Maps
Russian Topo Maps
★4.6
Russian Topo Maps Pro
Russian Topo Maps Pro
★4.8
Hunting Gps Maps w/ Property L
Hunting Gps Maps w/ Property L
★3.6
Timber Hunt Maps: Hunting Land
Timber Hunt Maps: Hunting Land
★4.6
OsmAnd+ — Maps & GPS Offline
OsmAnd+ — Maps & GPS Offline
★4.4
Memory-Map for All
Memory-Map for All
★5.0