Apps like S1 Mobile Mapper

Here are some great alternatives to S1 Mobile Mapper by Oregon Washington Mobile Dev Team (BLM) :
US Public Lands
US Public Lands
★3.6
Timber Hunt Maps: Hunting Land
Timber Hunt Maps: Hunting Land
★4.7
Global Mapper Mobile
Global Mapper Mobile
★3.8
GMapper GIS GPS & Area Measure
GMapper GIS GPS & Area Measure
★4.3
MapSwipe
MapSwipe
★4.8
Hunting Points: GPS Hunt Map
Hunting Points: GPS Hunt Map
★4.1
Map of Washington, D.C offline
Map of Washington, D.C offline
★4.6
onX Offroad: Trail Maps & GPS
onX Offroad: Trail Maps & GPS
★3.7
BaseMap: Hunting Maps and GPS
BaseMap: Hunting Maps and GPS
★4.2
BackCountry Navigator GPS PRO
BackCountry Navigator GPS PRO
★3.5
Mapit GIS - Map Data Collector
Mapit GIS - Map Data Collector
★4.0
Locus GIS Offline Land Survey
Locus GIS Offline Land Survey
★3.9
TerraStride Pro
TerraStride Pro
★3.8
CalTopo
CalTopo
★4.8
GPS Waypoints Navigator | MAPS
GPS Waypoints Navigator | MAPS
★4.6
Trailblazer Navigator Pro
Trailblazer Navigator Pro
★4.2