Yes, both Flat and FacileThings offer a Free Trial.
Flat is designed for Large Enterprises, Medium Business and Small Business.
FacileThings is designed for Small Business, Individuals and Freelancers.
Pricing for Flat Starts at $5/user/month when monthly whereas for FacileThings Starts at $7/month when yearly.
Some top alternatives to Flat includes and Todoist.
Some top alternatives to FacileThings includes and Todoist.