Yes, both Zendesk Sell and Aircall offer a Free Trial.
Zendesk Sell is designed for Large Enterprises, Medium Business and Small Business.
Aircall is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Sell Starts at $19/User/Month when yearly whereas for Aircall Starts at $30/User/Month.
Some top alternatives to Zendesk Sell includes Thryv, Salesforce Sales Cloud, monday sales CRM by monday.com, Pipedrive, Zoho CRM, Vendasta, Hubspot Marketing Hub, ClickUp, Salesforce, HubSpot CRM, Pipeliner CRM, Keap, SalesCRM, SimpleCRM, Snapforce CRM and Pipeline CRM.
Some top alternatives to Aircall includes Novanet Cloud Contact Center, CloudTalk, HoduCC, Call Center Studio, Dialpad Contact Center, 3CX, Vonage Contact Center and RingCentral Contact Center.