Yes, both Front and Aircall offer a Free Trial.
Front is designed for Large Enterprises, Medium Business and Small Business.
Aircall is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Front Starts at $19/User/Month whereas for Aircall Starts at $30/User/Month.
Some top alternatives to Front includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, SeamlessDesk, HelpDesk, Jitbit Helpdesk, Rhino Support, ReadyDesk, Sitehelpdesk, LabiDesk, Help Desk Premier and BoldDesk.
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.