Apologies if this has already been asked & answered ... but I can't find it.
First, how easy or difficult is the upgrade from the free version of Tigra Calendar to the Pro version? Currently I link appropriate script & css files and say:
Will that change significantly if I buy the Pro version?
Second, can the Pro version be configured with the same colors/fonts as the free version? I assume so ... but in the past the question went unanswered.
Code does look similar ... though not quite the same: