Yes, both Aircall and Boost.space offer a Free Trial.
Aircall is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Boost.space is designed for and undefined.
Pricing for Aircall Starts at $30/User/Month whereas for Boost.space Starts at $39.00per month when Billed Yearly.
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.
Some top alternatives to Boost.space includes Quickbase , Smartsheet, ClickUp and Zoho Projects.