Output Time offers Free Trial, but Billable does not.
Output Time is designed for Large Enterprises, Medium Business and Small Business.
Billable is designed for Individuals, Freelancers and Small Business.
Pricing for Output Time Starts at $4/User/Month whereas for Billable Starts at $8.40/Month.
Some top alternatives to Output Time includes Connecteam, Smartsheet, TimeTracker App, TimeStatement, TrackingTime, Tick, TimeTrack, Time Track Bill, TimeControl, Billable, Timet and TaskBlast.
Some top alternatives to Billable includes Connecteam, Smartsheet, TimeTracker App, Tick, TimeTrack, TimeQ, Timebase, Time Track Bill, Timesheet, Time Analytics, AtTrack and Timet.