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Best free Discount Apps built on Shopify Functions Shopify apps in 2027 [Updated]
PickYourApp Review Team
6 min read
•
Aug 21, 2026
The Best Free Shopify discount apps built on Functions technology help merchants increase average order value through smart promotional tools. From AI-powered upsells and BOGO offers to custom bundles and tiered discounts, these apps enable advanced promotional strategies without upfront costs. Merchants can implement volume pricing, free gifts with purchase, post-purchase offers, and automated discounts to encourage larger cart sizes and repeat purchases - all while maintaining real-time inventory sync and seamless fulfillment.
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#1. Bundle Deals & Discounts: BOGO, Buy X Get Y, Volume, Tiered Pricing & Quantity Breaks to Boost AOV
SMART Bundles Volume Discounts helps you increase average order value with automatic discounts and bundle deals that work seamlessly at checkout. Create product bundles, BOGO offers, Buy X Get Y promotions, volume discounts, quantity breaks, and tiered pricing based on products, collections, variants, customer tags, or cart value. The app supports both automatic discounts and discount codes, letting you run multiple promotions simultaneously without conflicts. Shoppers see their savings displayed clearly in the cart drawer and at checkout, creating a transparent discount experience that reduces cart abandonment. Set up mix and match bundles, bundle deals, and code-based promotions with no coding required. -
#2. Create advanced functions for discounts, payments, delivery, and cart & checkout validations.
Create advanced Shopify Functions for discounts, payments, delivery, and checkout validations without coding. This app helps you build tiered discounts, BOGO functions, bundles, volume discounts, payment customizations, and delivery customizations using a simple no-code function creator. Perfect for migrating Shopify Scripts to Functions in just a few clicks. Works on all Shopify plans - no Plus plan required. Build custom discounts, flexible promos, and checkout rules with an easy script editor alternative. Control your checkout, apply bulk discounts, and automate offers. A complete Shopify Scripts replacement solution with active maintenance to help you create cart and checkout validations, discount functions, and payment rules.
