Apps like QuadNB

Here are some great alternatives to QuadNB by Mapgears :
Lost Riders
Lost Riders
★3.2
Colorado Trail Explorer
Colorado Trail Explorer
★4.3
onX Backcountry Trail Maps GPS
onX Backcountry Trail Maps GPS
★4.5
TrailView
TrailView
★3.3
BRP GO!: Maps & Navigation
BRP GO!: Maps & Navigation
★3.9
The Next Trail
The Next Trail
★4.0
onX Offroad: Trail Maps & GPS
onX Offroad: Trail Maps & GPS
★3.8
BikeComputer
BikeComputer
★4.2
Hikingbook: Hike, Bike & Run
Hikingbook: Hike, Bike & Run
★4.0
Overland Bound One: Map & GPS
Overland Bound One: Map & GPS
★4.3
BikeTrace - Cycling Computer
BikeTrace - Cycling Computer
★4.7
Trails Offroad
Trails Offroad
★3.2
MTB Project
MTB Project
★4.2
Map My Ride With GPS Tracker
Map My Ride With GPS Tracker
★4.8
OS Maps: Explore hiking trails
OS Maps: Explore hiking trails
★3.4
GPS Waypoints Navigator | MAPS
GPS Waypoints Navigator | MAPS
★4.6