Is this a subscription or a one-time payment? John May 08, 2019 14:46 It’s a one-time payment. Once you buy HIIT., you won’t be charged again at any point and you’ll have it for good! Related articles What payment methods do you accept? How do I access the guide and is it available in PDF format? Can I buy it in my country? What are the benefits of training with Cut.? What equipment do I need access to?