The Dashboard serves as a personalized overview of your study progress. The correct and attempted indicators are pretty straightforward; they serve as the ratio of right versus wrong answers you've attempted. The Remaining count is just telling you how many unique questions you haven't yet attempted.
Premium access has no study limits or expiration. You do not have to pay any additional money to continue using the app when the remaining questions reach zero.
As you know, the app comes pre-loaded with awesome practice questions to help you prepare for your exam. The Remaining count is simply telling you how many unique questions are left to be attempted. Once that reaches zero, you have seen everything we have to offer.
💡Pro tip: You can reset your progress at any point to clear all your exam data and start over with the app.