I always compare the route offered by different apps. so, for now sygic pro (truck) has the best route planning.

As I said, I use IGO for navigating because it has better guidance ( but not perfect ).

The point is to do the route conversion on the fly while I am away.



Already answered here [Only registered and activated users can see links. ].
BTW, you are repeating yourself.
Useless and pointless discussion is spamming.