All accounts start on the free tier. You won't be charged until you choose to upgrade to a paid tier. You can do that at any time inside the ReportLayer dashboard.
No problem, you can easily do that yourself at any time in the ReportLayer dashboard. Partial months are not prorated when you cancel.
It's easy to change your plan at any time inside the ReportLayer dashboard. Your monthly charges will be prorated.
Contact us and we'll be happy to help!