I have no experience with either product but personally I would start with TuxGuitar. It is free and looks very impressive so what do you have to lose trying it?

You could also DL the demo of Guitar-Pro and see which one fits your workflow the best.

Good luck.


Tips on how to fall asleep in a living room chair:
1- Be old
2- Sit in a chair

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware