Yes, both Maesure and ClockShark offer a Free Trial.
Maesure is designed for and Small Business.
ClockShark is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of ClockShark begins at $3/User/Month, while pricing details for Maesure are unavailable.
Some top alternatives to Maesure includes Time Doctor, Toggl Track, Harvest, Hubstaff, ClockShark, actiTIME, Clockify, ClickTime, Buddy Punch and OnTheClock.
Some top alternatives to ClockShark includes Time Clock Wizard, Timesheets.com, ClockIt, Clockk, OnTheClock, stratustime, QuickBooks Time, ezClocker, ExakTime and Clockspot.