Yes, both Intervals and Time Track Bill offer a Free Trial.
Intervals is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Time Track Bill is designed for Freelancers, Medium Business and Small Business.
The starting price of Intervals begins at $29/Month, while pricing details for Time Track Bill are unavailable.
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 Time Track Bill includes Timely, TimeTracker App, My Hours, Hubstaff, TrackingTime, Clockify, TimeTrack, Timebase, Timesheet and Billable.