I would use my built on mapping for those reasons if I had any, but just as an aside, OSMAnd+ is an offline heavy duty free FOSS navigation and maps app. It's n

I would use my built on mapping for those reasons if I had any, but just as an aside, OSMAnd+ is an offline heavy duty free FOSS navigation and maps app. It's not quite as user friendly as google maps unfortunately, but the offline, downloadable navigation maps have saved my ass a few times.