The only difference between these subscriptions is the length of time you have access to the question banks. The question bank content does not change. You have full access to all of the questions in your question bank for the duration of your subscription.
3-month and 6-month subscriptions are also eligible for our Pass Guarantee (read more about it here) and can be activated as late as 6 months after your date of purchase. 1-month subscriptions are active immediately upon purchase.