Thanks for your question! The simple answer is no . We try to be as clear and transparent as possible with how much it costs to use TutorCruncher.
We always invoice at the beginning of the month based on your previous month’s usage of TutorCruncher according to the price plans detailed here: https://tutorcruncher.com/us/pricing/
There only other fees involved are on a per use basis. We offer an integrated payment gateways which you pay for per transaction as well as SMS Notifications for which you pay per message. None of these are mandatory to use, but they are definitely worth looking at in some detail as the advantages of these tools far outweigh the costs.