It isn't worth its price, when you see that Zoho creates a duplicate Lead even when you have an existing Account and Contact - this is due to Zoho's incorrect use of Modules
Insufficient email integration - if you look at a lead in Zoho, you would not know which emails were sent to that person and what they've replied with, to your business?
Zoho does not give you good customer support - so, if something goes wrong or you find their interface difficult to navigate, you are down to guess work and luck