Can I purchase credit packs during trial? Qasim May 08, 2020 03:45 Updated Yes. Credit packs are listed on your Premium Billing page. Credits cannot be used if the trial or subscription is canceled. Related articles Can I apply a promo code to my trial plan? Why do I need to add my credit card if its a free trial? What do I get during trial? How can I sign up for a Premium subscription trial? Does the trial cost anything?