CustomerGenius

Amazing app, and amazing team! If your store offers first-time customer discount codes, you need the Customer Genius app!

We use first customer discounts, and they're getting a LOT of abuse, customers creating throw-away email accounts in order to continually order using new customer codes.

This app is a godsend, as are the dev team! It works like a charm, and every feature request I've come up with, they've implemented, often within a day or two of asking.