Plus CoC TF are more general comapred to TiTS ones. Like in CoC you can use item Gro+ to grown cocks like...alll of them your PC got. In compare in TiTS we got Throob so it 's more...specilized one as it allow PC pick which cock would grow.
Most of times if you know it's some race TF all you know actualy it will give you this race specific bodyparts but your control over this is not big.