I'd like to make sure I understand your question. It sounds like you're looking for an app to install where your customers could sign up for a subscription and get a discounted rate for that. Is that right? There are a number of apps that can do that. Two of the most popular are these:
Are you looking for any particular features? Do you want people to be able to sign up for a monthly order of one particular product, or just a general subscription to your store?
Hey Todd, I'm with Bold. Thanks for the shout-out for our app!
Artic, Todd is 100% correct. If there are any specific question on the Bold Subscripions app in general, I'm happy to help.