The physical copy of EX is currently $90 because they are liquidating their stock (as far as I understood it)
I bought it earlier because the hubby was interested in some features Pro didn’t have (I think mostly puplishing/formating related...) But, yeah, to me it made hardly any difference. Y’all should be fine with Pro
I would highly recommend that programm, btw. Great value, great tools, very userfriendly. And there are a shit ton of material available online.
Not so sure about the vertical format since I use it more for coloring and painting. But I’m sure it’s not that difficult with this programm either. After all, unlike Photoshop, this is an art program specific for drawing comics and such.
Wait for a sale or bite the bullet. You will be not disappointed (especially since Pro can be dirt cheap on sale)