Yes, both Intervals and Quickbase offer a Free Trial.
Intervals is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Quickbase is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Intervals Starts at $29/Month whereas for Quickbase Starts at $35/user/month when yearly.
Some top alternatives to Intervals includes Quickbase , Smartsheet, ClickUp, Zoho Projects, TimeTracker App, Tick, TimeTrack, Time Track Bill, TimeControl, Wrike, Track My Work, Teamwork, ProjectManager.com, ProWorkflow, Quick Base and TaskBlast.
Some top alternatives to Quickbase includes Smartsheet, ClickUp and Zoho Projects.