Humbl Discount App

Smart promo codes that respect existing sale prices — no double discounts, no manual exclusions.

• Sale-aware promo codes. Automatically compares your promo percentage against each product's existing sale to give customers the best deal.
• No manual exclusions. No need to tag products or maintain collections — everything is calculated in real-time at checkout.
• Clean checkout experience. Customers always get the better discount, whether it's your promo or the existing sale price.