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Best Multiple Product Discounts on a Single Cart Line powered by Functions Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
Jun 02, 2026
Shopify merchants looking to apply multiple product discounts on a single cart line can leverage Functions-powered apps to simplify complex pricing strategies. The best Shopify apps in this category enable stores to stack various discount types—percentage off, fixed amounts, or tiered pricing—directly within one line item. This functionality helps merchants run sophisticated promotions without cluttering the checkout, improving customer experience while maintaining clean cart displays.
| Name | Rate on Shopify | Price | Free trial | Key features |
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#1. Generate discounts, shipping, payment & validation functions. ShopTank winner at Editions 25.
Looking to replace your Shopify Scripts? SupaEasy helps merchants create custom functions for discounts, shipping, payments, and validation - without any coding knowledge. As a ShopTank winner at Editions 25, this app makes function migration simple for all Shopify stores, not just Plus merchants. Generate functions three ways: use the migrator tool, choose from presets, or let the AI assistant create exactly what you need. Simply describe your requirements, and the AI will build your custom function. Perfect for merchants who want complete checkout control while transitioning from Scripts to Functions. Whether you're upgrading existing scripts or creating new functions, SupaEasy makes checkout customization straightforward for every Shopify store owner. -
#2. Elevate your sales with product volume, order volume & free gift with purchase tiered discounts!
Discount Kit helps you create effective store promotions with multiple discount types and strategic placement of discount information. The app offers tiered product volume discounts, free gifts with purchase, and order goal-based discounts that display directly on product pages. Shoppers can see volume pricing tables while browsing, encouraging them to add more items to their cart. With support for up to 25 automatic discounts running simultaneously, you can create personalized promotional campaigns that drive higher order values. The app's storefront components strategically show discount details exactly where customers need to see them, making your promotions more effective at converting sales. -
#3. Advanced functions creator with Flow logic builder. Build functions as flows in minutes.
Function Studio lets you build Shopify Functions visually without code. Create advanced automatic discounts including BOGO, Buy X Get Y, bundles, volume bundles, tiered discounts, fixed-price offers, and GWP discounts in minutes using the Flow logic builder. Set up payment customizations, delivery customizations, cart validation rules, and checkout validation. Build metafields-based discounts and reject discount codes when needed. Configure conditional discounts for multiple markets, currencies, and POS locations. The app supports cart transforms for bundle discounts and offers percentage, dollar, or fixed price discount options. Perfect for merchants migrating from Shopify Scripts to Shopify Functions who want a visual alternative to coding custom discounts. -
#4. Boost sales and revenue with custom discounts and smart checkout upsells. Maximize your profits!
CartWizard helps Shopify merchants reduce cart abandonment with smart discount solutions. Create custom BOGO deals, volume discounts, and bundle offers that drive more sales and keep customers coming back. The intuitive interface makes setting up personalized promotions quick and simple for shops of any size. Plus, Shopify Plus stores can now implement checkout upsells with A/B testing capabilities to optimize pricing and maximize revenue. Whether you need basic discounts or complex promotional strategies, CartWizard delivers the tools to create targeted offers that convert browsers into buyers. -
#5. Create flexible discounts with cap, stack discount single code.
Smarty Discounts lets merchants create and manage complex Shopify promotions without needing custom development. The app supports multiple discount types including product discounts, order discounts, shipping discounts, BXGY deals, gifts, and mix-match bundles. Merchants can target their offers using product rules, customer segments, cart conditions, market settings, country specifications, or company parameters. Build tiered pricing based on quantity, subtotal, or weight. Set discount caps to control spending, schedule campaigns for specific times, and apply pack rules or every-Nth-item logic. The app includes free shipping options, reusable templates, bulk code generation, import/export functionality, and test mode to preview discounts before going live. Stack discounts with a single code and manage flexible promotional campaigns all in one place.