I bought the paid version for additional gesture support, but quite frankly most people will find the free version is fine.
^^ +1 for Nova Launcher, best third party launcher I've found. Very fast, excellent customisability.
Still very happy with my 6.1 Plus. I wish it had OLED, but that's my only complaint.
Hoping the update to 10 arrives soon.
Turns out the hinge is complete shit.
'Motorola Razr's hinge lasts just 27,000 folds in durability test.'