ContactBook offers Free Trial, but Contacts+ does not.
Contacts+ is designed for Individuals and Small Business.
ContactBook is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Contacts+ begins at $8.33/Month when Billed Yearly, while pricing details for ContactBook are unavailable.
Some top alternatives to Contacts+ includes Salesforce Sales Cloud, Thryv, monday sales CRM by monday.com, Zoho CRM, Vendasta, Salesforce, SalesCRM, SimpleCRM, FreeCRM, OnContact CRM, Easy Simple CRM, Lime CRM, MagHub, MailChimp and CRM.io by 500apps.
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.