You need to make the pricing much much simpler - less math acrobatics = less friction in the decision process for the customer. Take a look at Migadu as an exam

You need to make the pricing much much simpler - less math acrobatics = less friction in the decision process for the customer. Take a look at Migadu as an example of simple pricing - how many emails do you need to send per day? Many of your pricing components are items that most users will simply not know at the onset of the signup process to make a valid comparison.