Amazon.com: onX Offroad App: Digital Map Membership for All 50 States for Phone, Tablet and Computer with Open and Closed Off-Road Trails, Google Imagery, 375K+ Miles of Roads and Trails and Offline
9 Free Offline GPS Maps For Android And iOS - No Internet Data Connections
Lenovo M7 Tablet [usewith Hema offline maps as offroad GPS] – Duncan & Ajanie Udawatta | 4xTouring
Gaia GPS on a tablet, ready to use offline anywhere - Strong Laptop
Topo GPS - Topo GPS
10 Best Built-in GPS Tablets to Run Maps Offline - MashTips