ContactBook offers Free Trial, but Clay does not.
ContactBook is designed for Large Enterprises, Medium Business and Small Business.
Clay is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Clay begins at $10/Month when Billed Yearly, while pricing details for ContactBook are unavailable.
Some top alternatives to ContactBook includes Salesforce, CloudCC CRM, OnContact CRM, Easy Simple CRM, ContactEase, OfficeClip Contact Manager, Contacts+, SpinOffice CRM, Zoho ContactManager, BigContacts and Clay.
Some top alternatives to Clay includes and undefined.