InsanityGG

Works great for offline maps. You can download up to date PDF maps directly from USFS and Avenza will import them from the file without any configuration. However, I wish there was a way to specify map limits (shrink) due to the white margin. Avenza will switch to another map automatically if you cross the border however there is a large white margin for many from USFS. Also the ability to specify a region to keep on screen for the legend. And a way to tell it what zoom level to switch to which map at. The hysteresis is too large for zoom so you need to zoom WAY out to get it to switch then W