some me point form feedback which may or may not be useful.
pros: fancy, good marketing, does not require a tablet (if using their device),
cons:expensive, does not support 3rd party maps, mapping routes best done via app on iPad, expensive maps
pros: supports 3rd party apps, free maps which are extensive, user friendly
cons: $140 for the app, requires an ipad
pros: extremely advanced mapping, route mapping, free maps, supports 3rd party apps, can be used on tablets and pc
cons: requires skill to use all the features, not fancy, pc required to take advantage of the advanced features such as routing.
I personally use a combination of mud maps and oziexplorer. Mudmaps Used 90% of the time and oziexplorer is used as a backup or when routing is required. I looked at hema before investing in Mudmaps and the 3rd party map support was the deal clencher for me whereas hema force you to stay within their ecosystem and spend more of your hard earned dollars to improve the maps.
i hope that helps.