Vayu Discount Code Blocker

Stop discount codes from being used where they shouldn't be. Rules run inside Shopify checkout.

Install it from the Shopify App Store, or open it from Apps in your Shopify admin.

Block specific codes, codes starting with a prefix, or all codes
Conditions: sale items, gift cards, chosen products, collections or product tags in the cart
Minimum or maximum order subtotal for a code
Customer tag rules, e.g. no codes for wholesale customers (Pro)
Stop codes being combined with other codes (Pro)
Your own message at checkout; the buyer can still check out without the code