Do you need any help with settings?
it possible to set the billable rate per task on the timesheet?
Yes, of course – but this feature is available in Pro plan only, and you seem to have registered for free edition
no thats understandable, i just want to make sure before i upgrade
take a look here: https://www.timecamp.com/kb/billing/
this describes the feature
and this article describes how you can activate a free trial to check it out without creating subscription: https://www.timecamp.com/kb/free-basicpro-trial-activation/