I use Gaia. I don't know what OnX has in comparison, but Gaia is pretty remarkable. They have dozens of map types, most can be combined into a single map. I often use the hunt unit boundaries with land ownership with one of the topo versions which work best for the area of concern. Of course, you can download any maps you want to your device so connectivity is never an issue. I also spend a lot of time marking water, certain roads, other hunting points of interest on my computer- and those marks are fully available on my phone in the field. Lastly, the coup de grace, was the integration of Gaia with Carplay. In units I hunt, I spend 30% of my time getting places in the truck, and 70% hiking/hunting the hills. Having that map heads up on my truck display is AWESOME.
