rocketship2000 said..
Thanks for your help
But I want to learn freestyle in parallel and I think that the freewave would limit my progression
The phrase "freestyle wave" is pure marketing BS - those two disciplines require distinctly different board shape. Dont be confused by the poor marketing.
You certainly can do "modern freestyle" on any board type - such as a wave board. But it is significantly more difficult to complete any of the modern-freestyle tricks using a non-modern-freestyle board.
The "classic freestyle" (carving 360, etc ) generally can be done on any type of board (maybe you are thinking "classic" ?).
Choose the style of sailing you want to do, then purchase the gear for that style.