An insight:Since we are re-phrasing : You get everything when you pay for it.
More than enough is a compromise you settle for when you can not afford something.
WPS Office: The best free office suite since Kingsoft
10 reasons why Kingsoft Office is better than the competition
The only difference I can see in the free and pro version is support for VBA/Macros, so terming it feature-restricted isn't right.