Stack Discounts Ninja is one of the best discount stacking apps available in 2025 for Shopify merchants. It allows you to combine unlimited discounts with advanced stacking logics, create volume discounts and BOGO campaigns, and display all savings opportunities with a customizable widget that boosts conversions. Users praise its excellent support and seamless integration with Shopify themes.
While Stack Discounts Ninja offers a 7-day free trial, some free alternatives include Shopify Checkout Blocks for basic customization, and apps like Kaching Bundles Quantity Break for volume discounts. However, these free options typically lack the advanced stacking capabilities and comprehensive campaign management features that Stack Discounts Ninja provides.
To enable Stack Discounts Ninja, navigate to your theme settings and click the 'Enable' button which will redirect you to the App Embeds page. Locate the Stack Discount app and toggle the enable switch to the 'on' position, then click 'Save'. Return to the dashboard and click 'Recheck State' to confirm the app is successfully enabled.
Yes, Stack Discounts Ninja allows you to create volume discounts along with other discount types like fixed pricing, percentage discounts, BOGO, quantity breaks, and free shipping. You can set up advanced campaigns with volume discounts and combine them with other discount types using various stacking logics.
The customizable promotional widget displays all active campaigns and savings opportunities to customers in a visually appealing way. It lets customers view deals and add products directly to their cart without confusion. This widget is perfect for holidays like Black Friday and helps boost conversions by showing customers all available savings opportunities.