All themes and problems are designed to be clear and relevant without any knowledge of the problems and themes that came before them. That being said, the content will differ each week, and students will need to complete the full, year-long course in order to gain access to any problems that were released prior to their registration.
Students who sign up during the middle of the month will get the same amount of value from their subscriptions as students who sign up at the beginning of the month. The automatic renewal date for monthly subscriptions is always set one month from the date of registration.
E.g. Students who register on May 5th will have their subscriptions renewed* on June 5th.
*Students can always cancel their subscriptions before their next renewal date by going to
their [Profile] > [Settings] (tap the wheel mark at the upper right )>
[HiNative Trek] ( Scroll down to the bottom)pages.