What is the difference between Prep and PrepPlus course plans? Dmitriy April 30, 2018 12:07 Updated Follow The difference is the number of mentorship credits you will get. PrepPlus usually has twice as much credits as Prep. What are the credits for? Related articles How to find practice cases? What are the credits for? LearnFormula Mobile App Is there a separate fee for each webinar if I paid for the full course? Video is not playing Comments 0 comments Please sign in to leave a comment.